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Moons of Neptune

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22: 1909: 1807: 8095: 1694: 459: 5818: 2334: 5283: 1267: 467: 1585: 2258: 2451: 1373: 691: 1164: 1482: 2663: 606: 2039: 8259: 5698: 5180: 915: 5708: 5190: 318: 880: 8235: 5812: 2559: 8071: 5824: 455:. The first group includes the seven inner moons, which follow circular prograde orbits lying in the equatorial plane of Neptune. The second group consists of all nine other moons including Triton. They generally follow inclined eccentric and often retrograde orbits far from Neptune; the only exception is Triton, which orbits close to the planet following a circular orbit, though retrograde and inclined. 8083: 8247: 8223: 2158: 846:
the Sao group and the retrograde moons Psamathe, Neso, and S/2021 N 1 belonging to the Neso group. The moons of the Neso group have the largest orbits of any natural satellites discovered in the Solar System to date, with average orbital distances over 125 times the distance between Earth and the Moon and orbital periods over 25 years. Neptune has the largest
515:. Naiad, the closest regular moon, is also the second smallest among the inner moons (following the discovery of Hippocamp), whereas Proteus is the largest regular moon and the second largest moon of Neptune. The first five moons orbit much faster than Neptune's rotation itself ranging from 7 hours for 135:
other than Triton, including Nereid, whose orbits are much farther from Neptune and at high inclination: three of these have prograde orbits, while the remainder have retrograde orbits. In particular, Nereid has an unusually close and eccentric orbit for an irregular satellite, suggesting that it may
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makes up more than 95% of the total mass, but is different from the more balanced systems of Jupiter and Uranus. The reason for the lopsidedness of the present Neptunian system is that Triton was captured well after the formation of Neptune's original satellite system, and experts conjecture much of
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Diameters with multiple entries such as "60×40×34" reflect that the body is not spherical and that each of its dimensions has been measured well enough to provide a 3-axis estimate. The dimensions of the five inner moons were taken from Karkoschka, 2003. Dimensions of Proteus are from Stooke, 1994.
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Among the remaining irregular moons, Sao, S/2002 N 5, and Laomedeia follow prograde orbits, whereas Halimede, Psamathe, Neso and S/2021 N 1 follow retrograde orbits. There are at least two groups of moons that share similar orbits, with the prograde moons Sao, S/2002 N 5, and Laomedeia belonging to
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Numerical simulations show that there is a 0.41 probability that the moon Halimede collided with Nereid at some time in the past. Although it is not known whether any collision has taken place, both moons appear to have similar ("grey") colors, implying that Halimede could be a fragment of Nereid.
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Nereid is the third-largest moon of Neptune. It has a prograde but very eccentric orbit and is believed to be a former regular satellite that was scattered to its current orbit through gravitational interactions during Triton's capture. Water ice has been spectroscopically detected on its surface.
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larger than all other known irregular moons. Secondly, they both have atypically small semi-major axes, with Triton's being over an order of magnitude smaller than those of all other known irregular moons. Thirdly, they both have unusual orbital eccentricities: Nereid has one of the most eccentric
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Triton and Nereid are unusual irregular satellites and are thus treated separately from the other seven irregular Neptunian moons, which are more like the outer irregular satellites of the other outer planets. Firstly, they are the largest two known irregular moons in the Solar System, with Triton
112:, has only 0.03% of Triton's mass. The capture of Triton, probably occurring some time after Neptune formed a satellite system, was a catastrophic event for Neptune's original satellites, disrupting their orbits so that they collided to form a rubble disc. Triton is massive enough to have achieved 887:
Triton's orbit upon capture would have been highly eccentric, and would have caused chaotic perturbations in the orbits of the original inner Neptunian satellites, causing them to collide and reduce to a disc of rubble. This means it is likely that Neptune's present inner satellites are not the
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Dimensions of Triton are from Thomas, 2000, whereas its diameter is taken from Davies et al., 1991. The size of Nereid is from Kiss et al., 2016, and the sizes of the other outer moons are from Sheppard, with the diameters of S/2002 N 5 and S/2021 N 1 calculated assuming an albedo of 0.04.
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constitute about two thirds of its mass, and ices (mainly water ice) the remaining one third. There may be a layer of liquid water deep inside Triton, forming a subterranean ocean. Because of its retrograde orbit and relative proximity to Neptune (closer than the Moon is to Earth),
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Only the two largest regular moons have been imaged with a resolution sufficient to discern their shapes and surface features. Larissa, about 200 km in diameter, is elongated. Proteus is not significantly elongated, but not fully spherical either: it resembles an irregular
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of multiple images to bring out faint details. After deciding on a whim to expand the search area to radii well beyond the rings, he found an unambiguous dot that represented the new moon. He then found it repeatedly in other archival HST images going back to 2004.
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For the "normal" irregular satellites, the general convention is to use names ending in "a" for prograde satellites, names ending in "e" for retrograde satellites, and names ending in "o" for exceptionally inclined satellites, exactly like the convention for the
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incident on an astronomical body that is scattered back out into space. The Bond albedo is a value strictly between 0 and 1, as it includes all possible scattered light (but not radiation from the body itself). This is in contrast to other definitions of
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The Neptunian moons are listed here by orbital period, from shortest to longest. Irregular (captured) moons are marked by color. The orbits and mean distances of the irregular moons are variable over short timescales due to frequent planetary and solar
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spacecraft observed what appeared to be clouds and hazes in this thin atmosphere. Triton is one of the coldest bodies in the Solar System, with a surface temperature of about 38 K (−235.2 °C). Its surface is covered by nitrogen, methane,
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four years earlier. If rings were present, the star's luminosity would decrease slightly just before the planet's closest approach. The star's luminosity dipped only for several seconds, which meant that it was due to a moon rather than a ring.
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space telescopes suggest that Nereid is only moderately elongated which disfavours forced precession of the rotation. The thermal model also indicates that the surface roughness of Nereid is very high, likely similar to the Saturnian moon
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at Saturn. If it is counted as a normal irregular satellite (but not Triton), then Nereid is also by far the largest normal irregular satellite known, having about two-thirds the mass of all normal irregular moons combined.
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Of all known moons of Neptune, only Triton has a reliably measured mass. The masses of all regular satellites were estimated by JPL, while all other irregular moons of Neptune were calculated assuming a density of 1
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Nereid dominates the normal irregular satellites of Neptune, having about 98% of the mass of Neptune's entire irregular satellite system altogether (if Triton is not counted). This is similar to the situation of
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in the Solar System. One moon, Triton, makes up nearly all of the mass of the system, with all other moons together comprising only one third of one percent. This is similar to the moon system of Saturn, where
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such as the geometric albedo, which can be above 1. In general, though, the Bond albedo may be greater or smaller than the geometric albedo, depending on surface and atmospheric properties of the body in
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Triton follows a retrograde and quasi-circular orbit, and is thought to be a gravitationally captured satellite. It was the second moon in the Solar System that was discovered to have a substantial
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Since the reference Showalter et al. (2019) does not cover irregular moons (with colored background), their eccentricities are taken from Planetary Satellite Mean Elements of JPL.
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relative to Neptune's equator, which suggests that it did not form in orbit around Neptune but was instead gravitationally captured by it. The next-largest satellite in the
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orbits of any known irregular satellite, and Triton's orbit is a nearly perfect circle. Finally, Nereid also has the lowest inclination of any known irregular satellite.
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Shaefer, Bradley E.; Tourtellotte, Suzanne W.; Rabinowitz, David L.; Schaefer, Martha W. (2008). "Nereid: Light curve for 1999–2006 and a scenario for its variations".
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in the Solar System, owing primarily to its large distance from the Sun; this allows it to retain control of such distant moons. Nevertheless, the Jovian moons in the
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within the polar cap heated by the Sun, which eject plumes to the height of up to 8 km. Triton has a relatively high density of about 2 g/cm indicating that
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Kiss, C.; Pál, A.; Farkas-Takács, A. I.; Szabó, G. M.; Szabó, R.; Kiss, L. L.; Molnár, L.; Sárneczky, K.; Müller, T. G.; Mommert, M.; Stansberry, J. (11 April 2016).
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and orbital distances for Neptune's rings and moon system at various scales. Notable moons and rings are individually labeled. Open the image for full resolution.
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original bodies that formed with Neptune. Only after Triton's orbit became circularised could some of the rubble re-accrete into the present-day regular moons.
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or chaotic rotation combined with an elongated shape and bright or dark spots on the surface. This was disproved in 2016, when observations from the
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Irregular satellites of Jupiter (red), Saturn (green), Uranus (magenta) and Neptune (blue; including Triton), plotted by distance from their planet (
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Horn, Linda J.; Hui, John; Lane, Arthur L.; Colwell, Joshua E. (1990). "Observations of Neptunian rings by Voyager photopolarimeter experiment".
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The mechanism of Triton's capture has been the subject of several theories over the years. One of them postulates that Triton was captured in a
558:. The gravity of Galatea helps confine the ring particles within a limited region in the radial direction, maintaining the narrow ring. Various 3114:
Reitsema, Harold J.; Hubbard, William B.; Lebofsky, Larry A.; Tholen, David J. (1982). "Occultation by a Possible Third Satellite of Neptune".
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have once been a regular satellite that was significantly perturbed to its current position when Triton was captured. Neptune's outermost moon
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on 10 October 1846, 17 days after the discovery of Neptune itself. Over a century passed before the discovery of the second natural satellite,
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Smith, B. A.; Soderblom, L. A.; Banfield, D.; Barnet, C.; Basilevsky, A. T.; Beebe, R. F.; Bollinger, K.; Boyce, J. M.; Brahic, A. (1989).
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Early measurements of Nereid showed large, irregular variations in its visible magnitude, which were speculated to be caused by forced
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Cruikshank, D.P.; Roush, T.L.; Owen, T.C.; Geballe, T.R.; et al. (6 August 1993). "Ices on the surface of Triton".
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on 24 May 1981. The astronomers were observing a star's close approach to Neptune, looking for rings similar to
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facets 150 to 250 km in diameter. At about 400 km in diameter, it is larger than the Saturnian moon
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is causing Triton to spiral inward, which will lead to its destruction in about 3.6 billion years.
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Orbit diagram of Neptune's inner moons including Triton, with their names and orbit directions indicated
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and discovered two more irregular moons of Neptune, which were announced in 2024. These two moons are
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Banfield, Don; Murray, Norm (October 1992). "A dynamical history of the inner Neptunian satellites".
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indicate that they are made from water ice contaminated by some very dark material, probably complex
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Triton did not have an official name until the twentieth century. The name "Triton" was suggested by
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M. Antonietta Barucci; Hermann Boehnhardt; Dale P. Cruikshank; Alessandro Morbidelli, eds. (2008).
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This is a IAU guideline that will be followed at the naming of every Neptunian moon, although two (
928: 5817: 4936: 4289:; Jankowski, D. G.; Nicholson, P. D. (July 1989). "Tidal evolution in the Neptune-Triton system". 4124:
Elliot, J. L.; Strobel, D. F.; Zhu, X.; Stansberry, J. A.; Wasserman, L. H.; Franz, O. G. (2000).
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The mass distribution of the Neptunian moons is the most lopsided of the satellite systems of the
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Davies, Merton E.; Rogers, Patricia G.; Colvin, Tim R. (1991). "A control network of Triton".
4679:; Fraser, Wesley C. (2004-09-20). "Photometry of Irregular Satellites of Uranus and Neptune". 262: 8279: 8172: 8099: 7973: 7826: 7789: 7677: 7672: 6478: 5219: 3357:(2006). "A Survey for "Normal" Irregular Satellites around Neptune: Limits to Completeness". 702:
in the vertical axis. The semi-major axis values are expressed as a fraction of the planet's
613:(red) is different from most moons' orbit (green) in the orbit's direction, and the orbit is 571: 396: 89: 58: 7841: 4586: 4304: 4013: 3851: 2333: 7734: 7687: 7344: 6802: 6767: 6762: 6656: 6607: 6580: 6536: 6515: 6188: 5627: 5603: 5396: 5066: 4833: 4796: 4747: 4700: 4619: 4582: 4460: 4395: 4332: 4300: 4246: 4189: 4140: 4093: 4084:
Karkoschka, Erich (2003). "Sizes, shapes, and albedos of the inner satellites of Neptune".
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The geometric albedo of an astronomical body is the ratio of its actual brightness at zero
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of 1 January 2020. Triton, the only Neptunian moon massive enough for its surface to have
8: 8186: 8075: 7913: 7886: 7836: 7640: 7104: 6797: 6649: 6439: 5988: 5937: 5722: 5711: 5683: 5193: 2848:) disk with the same cross-section. The Bond albedo, named after the American astronomer 1071: 919: 699: 614: 452: 400: 132: 97: 6879: 4837: 4800: 4751: 4704: 4623: 4464: 4399: 4336: 4250: 4193: 4144: 4097: 4059: 3973: 3822: 3714: 3380: 3286: 3267: 3203: 3127: 3090: 3049: 935:
orbital elements provided by other sources. Their orbital elements are all based on the
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orbit at a greater percentage of their primary's Hill radius than the Neso group moons.
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showed only minor variations. Thermal modeling based on infrared observations from the
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Goldreich, P.; Murray, N.; Longaretti, P. Y.; Banfield, D. (1989). "Neptune's story".
4105: 466: 184:, was first observed by Harold J. Reitsema, William B. Hubbard, Larry A. Lebofsky and 8026: 7596: 7538: 7329: 7218: 7144: 7085: 6814: 6179: 5921: 5883: 5863: 5753: 5707: 5404: 5189: 5076: 5071: 4918: 4896: 4769: 4676: 4635: 4538: 4478: 4415: 4348: 4286: 4232: 4205: 4067: 4029: 3940: 3780: 3736: 3633: 3623: 3578: 3541: 3442: 3346: 3298: 3263: 3259: 3215: 3139: 3000: 2840:(i.e. as seen from the light source) to that of an idealized flat, fully reflecting, 2613: 2257: 2212: 1748: 936: 562:
between the ring particles and Galatea may also have a role in maintaining the arcs.
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of the LeVerrier ring, because its orbit lies just inside this ring. The next moon,
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in planes that lie close to Neptune's equatorial plane; some of these orbit among
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is even higher, reaching up to 90%. Surface features include the large southern
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Showalter, M. R.; de Pater, I.; Lissauer, J. J.; French, R. S. (2019).
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Graphs are unavailable due to technical issues. There is more info on
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Note: Orbital elements of regular satellites are with respect to the
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and to retain a thin atmosphere capable of forming clouds and hazes.
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In order of their distance from the planet, the irregular moons are
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Stooke, Philip J. (1994). "The surfaces of Larissa and Proteus".
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encounter. In this scenario, Triton is the surviving member of a
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Miner, Ellis D.; Wessen, Randii R.; Cuzzi, Jeffrey N. (2007).
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Hussmann, Hauke; Sohl, Frank; Spohn, Tilman (November 2006).
3113: 2879: 412: 2852:(1825–1865), who originally proposed it, is the fraction of 2544: 1584: 1237: 6825: 6709: 6574: 6288: 5776: 2651: 2541: 2439: 2427: 2421: 2418: 2246: 2243: 2157: 2131: 2024: 2021: 1891: 1792: 1789: 1783: 1670: 1573: 1558: 1470: 1458: 1361: 1355: 1343: 1255: 1240: 1146: 1131: 1128: 261:
while examining Hubble Space Telescope images of Neptune's
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In order of distance from Neptune, the regular moons are
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The planet Neptune: an historical survey before Voyager
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Publications of the Astronomical Society of the Pacific
3518:. Carnegie Institution for Science. 23 February 2024. 3245: 3185: 206:
rediscovered Larissa and discovered five inner moons:
8211: 4126:"The Thermal Structure of Triton's Middle Atmosphere" 4112: 3032:"Discovery of supposed ring and satellite of Neptune" 2903:
attributed to each moon in order of their discovery.
2648: 2642: 2532: 2412: 2240: 2119: 2015: 1795: 1673: 1570: 1446: 1358: 1349: 1252: 1143: 1125: 581:
All of Neptune's inner moons are dark objects: their
447:
The moons of Neptune can be divided into two groups:
45:, its smallest regular moon, is too small to be seen. 4668: 4230: 3506: 3504: 3345: 2433: 2415: 2143: 2128: 2027: 1894: 1888: 1885: 1786: 1780: 1777: 1682: 1667: 1564: 1555: 1464: 1455: 1352: 1340: 1246: 1152: 1134: 876:
the system was destroyed in the process of capture.
734:. The pressure on Triton's surface is about 14  4571:Naeye, R. (September 2006). "Triton Kidnap Caper". 3408: 3406: 2639: 2538: 2529: 2430: 2424: 2237: 2137: 2134: 2122: 2012: 1882: 1774: 1679: 1661: 1658: 1561: 1461: 1346: 1243: 1140: 1122: 4937:Gazetteer of Planetary Nomenclature—Neptune (USGS) 4823: 4734:Brozović, Marina; Jacobson, Robert A. (May 2022). 3930: 4986:Listed in approximately increasing distance from 4942:Simulation showing the position of Neptune's Moon 4443:Monthly Notices of the Royal Astronomical Society 4079: 4077: 4041: 4039: 3501: 3037:Monthly Notices of the Royal Astronomical Society 2762: 706:'s radius, while the inclination is expressed in 8271: 4733: 4674: 4533: 4531: 4318: 4316: 4314: 3689: 3687: 3685: 3403: 2995: 2993: 2694: 2590: 2482: 2365: 2289: 2189: 902:object disrupted by its encounter with Neptune. 6514: 4857: 4855: 3188:"Voyager 2 at Neptune: Imaging Science Results" 2890:(TNOs). Around 11% of all TNOs may be binaries. 2746: 2574: 2466: 2273: 2075: 1837: 1728: 1715: 1704: 1615: 1512: 1492: 1403: 1297: 1277: 1194: 1174: 4785:"NOTE: The Shape of Triton from Limb Profiles" 4173: 4074: 4045: 4036: 3932:"Present knowledge of the Neptune ring system" 3534: 3435: 3268:"Discovery of five irregular moons of Neptune" 1969: 470:Size comparison of Neptune's seven inner moons 81:, in 1949, and another 40 years passed before 6675: 6486: 5738: 5220: 4962: 4602: 4528: 4311: 3995: 3993: 3991: 3924: 3922: 3920: 3918: 3816: 3814: 3812: 3810: 3682: 2990: 2741: 2678: 2673: 2569: 2461: 2349: 2344: 2268: 2173: 2168: 2056: 2049: 1919: 1824: 1817: 1602: 1595: 1499: 1390: 1383: 1284: 1181: 4852: 4727: 4598: 4596: 4224: 3779:. University of Arizona Press. p. 414. 3661:"Planet and Satellite Names and Discoverers" 3655: 3653: 3651: 3649: 3647: 3474: 3181: 530:The inner moons are closely associated with 4429: 4427: 4425: 4367: 3830:Annual Review of Astronomy and Astrophysics 3821:Jewitt, David; Haghighipour, Nader (2007). 3770:"Irregular Satellites of the Giant Planets" 3468: 3179: 3177: 3175: 3173: 3171: 3169: 3167: 3165: 3163: 3161: 3107: 2624: 2514: 2397: 2222: 2104: 1997: 1865: 1759: 1643: 1540: 1431: 1325: 1222: 1107: 507:. All but the outer two are within Neptune- 403:'s position as god of the sea: either from 269:to compensate for orbital motion and allow 6493: 6479: 5745: 5731: 5227: 5213: 4969: 4955: 4817: 4776: 4083: 3988: 3915: 3807: 3570: 3023: 2886:system, are quite common among the larger 883:The relative masses of the Neptunian moons 431:share the same names as moons of Neptune: 265:from 2009. He used a technique similar to 140:, which has an orbital period of about 27 4895:, Cambridge: Cambridge University Press, 4863:"Planetary Satellite Physical Parameters" 4808: 4759: 4694: 4593: 4564: 4472: 4454: 4389: 3841: 3730: 3644: 3548:. Minor Planet Center. 23 February 2024. 3441: 3370: 3098: 3066: 3057: 3007:. Minor Planet Center. 23 February 2024. 2957: 2955: 2953: 2951: 2949: 1820:(436 × 416 × 402) 1598:(216 × 204 × 168) 1495:(204 × 184 × 144) 1386:(180 × 148 × 128) 840: 779:observations revealed a number of active 8006:Interstellar and circumstellar molecules 4422: 3953: 3894: 3158: 1280:(108 × 100 × 52) 913: 878: 689: 604: 465: 457: 20: 16:Natural satellites of the planet Neptune 8202:) may be read as "within" or "part of". 7230:Planetary orbit-crossing minor planets 3895:Williams, David R. (1 September 2004). 3029: 168:in 1846, just seventeen days after the 8272: 4782: 3999: 3860:10.1146/annurev.astro.44.051905.092459 3602: 3577:(in French). Flammarion. p. 591. 3072: 2946: 2827:) have yet to receive permanent names. 1177:(96 × 60 × 52) 6474: 5726: 5208: 4950: 4887: 4570: 4516:from the original on 24 February 2024 4279: 3608: 3522:from the original on 23 February 2024 1081: 1070: 1059: 1052: 1034: 1027: 1020: 763:, older cratered planes cross-cut by 180:in 1949. The third moon, later named 4976: 4603:Agnor, C.B.; Hamilton, D.P. (2006). 4537: 4503: 3888: 3320:from the original on 2 November 2013 311: 3696:"The seventh inner moon of Neptune" 3665:Gazetteer of Planetary Nomenclature 2969:from the original on 5 October 2021 2963:"Planetary Satellite Mean Elements" 13: 6510: 5281: 4869:from the original on 28 March 2022 4552:from the original on 22 April 2022 3542:"MPEC 2024-D114 : S/2002 N 5" 3001:"MPEC 2024-D112 : S/2021 N 1" 2661: 2557: 2449: 2332: 2256: 2156: 2037: 1907: 1805: 1692: 1583: 1480: 1371: 1265: 1162: 600: 442: 196:No further moons were found until 14: 8301: 4912: 3552:from the original on 3 March 2024 3489:from the original on 16 July 2013 3418:Space Telescope Science Institute 3075:"The Second Satellite of Neptune" 3011:from the original on 5 March 2024 2878:, objects with moons such as the 383:Name conflicts with minor planets 119:Inward of Triton are seven small 29:'s many moons as captured by the 8257: 8245: 8233: 8221: 8093: 8081: 8069: 6500: 5822: 5816: 5810: 5706: 5697: 5696: 5286:True color NASA image of Neptune 5188: 5179: 5178: 3903:from the original on 1 July 2010 3546:Minor Planet Electronic Circular 3516:Earth & Planetary Laboratory 3266:; Grav, T.; et al. (2004). 3005:Minor Planet Electronic Circular 2635: 2525: 2408: 2233: 2115: 2008: 1878: 1770: 1654: 1551: 1442: 1336: 1233: 1118: 570:, with several flat or slightly 474: 316: 88:Triton is unique among moons of 69:. By far the largest of them is 41:, Neptune's largest moon; while 25:An annotated picture of some of 7969:Gravitationally rounded objects 4932:NASA's Solar System Exploration 4881: 4826:Journal of Geophysical Research 4657:from the original on 2013-11-03 4497: 4268:from the original on 2015-08-31 4162:from the original on 2012-02-23 3877:from the original on 2014-02-25 3777:The Solar System Beyond Neptune 3761: 3750:from the original on 2019-02-22 3671:from the original on 2010-07-03 3591:from the original on 2012-03-01 3564: 3457:from the original on 2013-07-18 3424:from the original on 2016-03-04 3414:"Hubble Finds New Neptune Moon" 3234:from the original on 2020-08-04 2926: 2916: 2906: 2893: 2869: 2830: 308:Discovery of outer planet moons 5446:Neptune-crossing minor planets 4893:English Pronouncing Dictionary 3512:"New Uranus and Neptune Moons" 2813: 190:those discovered around Uranus 1: 4865:. Jet Propulsion Laboratory. 4106:10.1016/S0019-1035(03)00002-2 3475:Kelly Beatty (15 July 2013). 3212:10.1126/science.246.4936.1422 2965:. Jet Propulsion Laboratory. 2939: 2735: 2660: 2556: 2448: 2331: 2255: 2155: 2036: 1906: 1804: 1691: 1582: 1479: 1370: 1264: 1161: 698:) in the horizontal axis and 4408:10.1016/j.icarus.2008.02.025 4345:10.1126/science.245.4917.500 4259:10.1016/j.icarus.2006.06.005 4202:10.1126/science.261.5122.742 4068:10.1016/0019-1035(92)90155-Z 3962:Geophysical Research Letters 3622:. pp. 150 (see p. 68). 3571:Flammarion, Camille (1880). 3136:10.1126/science.215.4530.289 861: 585:ranges from 7 to 10%. Their 156: 57:, which are named for minor 7: 8064:Outline of the Solar System 7827:Interplanetary medium/space 5234: 2794: 10: 8306: 7780:Extraterrestrial materials 4292:Astronomy and Astrophysics 3073:Kuiper, Gerard P. (1949). 2801:List of natural satellites 799: 683: 380: 151: 104:suspected to be captured, 96:to Neptune's rotation and 31:James Webb Space Telescope 8100:Earth sciences portal 8059: 8014: 7951: 7822:Interplanetary dust cloud 7701: 7537: 7467: 7178: 7120: 7000: 6813: 6666: 6508: 6415: 6249: 5882: 5831: 5808: 5764: 5692: 5671: 5637: 5595: 5574: 5565: 5454: 5433: 5395: 5388: 5293: 5279: 5255: 5242: 5174: 5153: 5118: 5087: 5052: 5043: 4994: 4984: 4682:The Astrophysical Journal 3939:. Springer Praxis Books. 3723:10.1038/s41586-019-0909-9 2858:electromagnetic radiation 795: 679: 202:flew by Neptune in 1989. 8113:Local Interstellar Cloud 6831:other near-Earth objects 6267:: 5268 km / 0.413 Earths 4761:10.3847/1538-3881/ac617f 4740:The Astronomical Journal 4002:Earth, Moon, and Planets 3359:The Astronomical Journal 2806: 376: 295:provisionally designated 285:and colleagues used the 8076:Solar System portal 7802:Giant-impact hypothesis 7409:Trans-Neptunian objects 5420:Heinrich Louis d'Arrest 4587:2006S&T...112c..18N 4506:"Outer Moons of Saturn" 4305:1989A&A...219L..23C 4014:1994EM&P...65...31S 3982:10.1029/GL017i010p01745 3852:2007ARA&A..45..261J 3477:"Neptune's Newest Moon" 2888:trans-Neptunian objects 918:Orbital diagram of the 909: 114:hydrostatic equilibrium 7964:Possible dwarf planets 7807:Gravitational collapse 7745:Circumstellar envelope 6550: 5410:Johann Gottfried Galle 5287: 4810:10.1006/icar.2000.6511 4504:Denk, Tilmann (2024). 4153:10.1006/icar.1999.6312 2842:diffusively scattering 2666: 2562: 2454: 2337: 2261: 2161: 2042: 1912: 1810: 1697: 1588: 1485: 1376: 1270: 1167: 923: 884: 841:Normal irregular moons 813:Kepler space telescope 755:of more than 70%. The 726:with small amounts of 715: 618: 471: 463: 407:, usually children of 46: 8173:Laniakea Supercluster 7790:Sample-return mission 6549: 5285: 4783:Thomas, P.C. (2000). 3937:Planetary Ring System 3667:. USGS Astrogeology. 3620:John Wiley & Sons 3451:Mark Showalter's blog 3059:10.1093/mnras/7.9.154 2665: 2561: 2453: 2336: 2260: 2160: 2041: 1911: 1809: 1696: 1587: 1484: 1375: 1269: 1166: 917: 882: 722:, which is primarily 693: 608: 469: 461: 92:in that its orbit is 24: 8088:Astronomy portal 7989:Solar System objects 7735:Circumplanetary disk 6440:Planetary-mass moons 4474:10.1093/mnras/stw081 3897:"Neptune Fact Sheet" 3574:Astronomie populaire 3030:Lassell, W. (1846). 2899:Label refers to the 2850:George Phillips Bond 1857:Voyager Science Team 1532:Voyager Science Team 1423:Voyager Science Team 1317:Voyager Science Team 1214:Voyager Science Team 393:Astronomie Populaire 170:discovery of Neptune 133:irregular satellites 123:, all of which have 8187:Observable universe 7984:Solar System models 7914:Protoplanetary disk 7837:Interstellar medium 7797:Frost/Ice/Snow line 4838:1991JGR....9615675D 4832:(E1): 15, 675–681. 4801:2000Icar..148..587T 4752:2022AJ....163..241B 4705:2004ApJ...613L..77G 4632:10.1038/nature04792 4624:2006Natur.441..192A 4574:Sky & Telescope 4465:2016MNRAS.457.2908K 4400:2008Icar..196..225S 4337:1989Sci...245..500G 4251:2006Icar..185..258H 4194:1993Sci...261..742C 4145:2000Icar..143..425E 4098:2003Icar..162..400K 4060:1992Icar...99..390B 3974:1990GeoRL..17.1745H 3715:2019Natur.566..350S 3482:Sky & Telescope 3381:2006AJ....132..171S 3295:10.1038/nature02832 3287:2004Natur.430..865H 3204:1989Sci...246.1422S 3198:(4936): 1422–1449. 3128:1982Sci...215..289R 3091:1949PASP...61..175K 3050:1846MNRAS...7..157L 1072:Orbital inclination 996: 953: 920:orbital inclination 700:orbital inclination 542:. Despina may be a 513:tidally decelerated 8167:Virgo Supercluster 8148:Milky Way subgroup 7979:Natural satellites 7862:Nebular hypothesis 7842:Interstellar space 7832:Interstellar cloud 7740:Circumstellar disc 7330:Near-Earth objects 7214:names and meanings 6551: 6420:Discovery timeline 5754:Natural satellites 5288: 5247:Outline of Neptune 4677:Holman, Matthew J. 4539:Sheppard, Scott S. 4022:10.1007/BF00572198 3347:Sheppard, Scott S. 2667: 2563: 2455: 2338: 2262: 2162: 2043: 1913: 1811: 1698: 1589: 1486: 1377: 1271: 1168: 994: 951: 924: 885: 790:tidal deceleration 716: 673:order of magnitude 619: 523:, to 13 hours for 472: 464: 399:, in keeping with 389:Camille Flammarion 176:was discovered by 164:was discovered by 121:regular satellites 47: 33:. The bright blue 8209: 8208: 8054: 8053: 8050: 8049: 8027:Lagrangian points 7999:by discovery date 7597:Human spaceflight 7568:historical models 7461: 7460: 7086:S/2015 (136472) 1 6468: 6467: 6268: 5720: 5719: 5667: 5666: 5588: 5561: 5560: 5405:Urbain Le Verrier 5202: 5201: 5149: 5148: 4919:Scott S. Sheppard 4846:10.1029/91JE00976 4331:(4917): 500–504. 4188:(5122): 742–745. 3968:(10): 1745–1748. 3946:978-0-387-34177-4 3709:(7744): 350–353. 3629:978-0-471-96015-7 3281:(7002): 865–867. 3122:(4530): 289–291. 2792: 2791: 2731: 2327: 1015: 991: 990: 947:, is emboldened. 591:organic compounds 509:synchronous orbit 391:in his 1880 book 338: 337: 291:Mauna Kea, Hawaii 283:Scott S. Sheppard 255:Mark R. Showalter 8297: 8285:Moons of Neptune 8262: 8261: 8250: 8249: 8248: 8238: 8237: 8236: 8226: 8225: 8217: 8203: 8201: 8192: 8185: 8178: 8171: 8165: 8159: 8153: 8146: 8139: 8132: 8125: 8118: 8111: 8098: 8097: 8096: 8086: 8085: 8084: 8074: 8073: 8072: 7775:Exozodiacal dust 7465: 7464: 7431:Detached objects 6673: 6672: 6669: 6668: 6513: 6495: 6488: 6481: 6472: 6471: 6263: 6242: 6230: 6216: 6202: 6185: 6173: 6166: 6147: 6133: 6119: 6084: 6070: 6056: 6051: 6029: 6024: 6012: 6005: 5991: 5977: 5960: 5943: 5933: 5924: 5910: 5826: 5820: 5814: 5747: 5740: 5733: 5724: 5723: 5710: 5700: 5699: 5586: 5572: 5571: 5554: 5552: 5551: 5542: 5540: 5539: 5530: 5528: 5527: 5518: 5516: 5515: 5506: 5504: 5503: 5494: 5492: 5491: 5482: 5480: 5479: 5415:John Couch Adams 5393: 5392: 5229: 5222: 5215: 5206: 5205: 5192: 5182: 5181: 5166:Rings of Neptune 5050: 5049: 4978:Moons of Neptune 4971: 4964: 4957: 4948: 4947: 4906: 4905: 4885: 4879: 4878: 4876: 4874: 4859: 4850: 4849: 4821: 4815: 4814: 4812: 4780: 4774: 4773: 4763: 4731: 4725: 4724: 4698: 4696:astro-ph/0405605 4672: 4666: 4665: 4663: 4662: 4656: 4609: 4600: 4591: 4590: 4568: 4562: 4561: 4559: 4557: 4546:sites.google.com 4535: 4526: 4525: 4523: 4521: 4512:. Tilmann Denk. 4501: 4495: 4494: 4476: 4458: 4449:(3): 2908–2917. 4440: 4431: 4420: 4419: 4393: 4371: 4365: 4364: 4320: 4309: 4308: 4299:(1–2): L23–L26. 4283: 4277: 4276: 4274: 4273: 4267: 4228: 4222: 4221: 4177: 4171: 4170: 4168: 4167: 4161: 4130: 4121: 4110: 4109: 4081: 4072: 4071: 4043: 4034: 4033: 3997: 3986: 3985: 3957: 3951: 3950: 3934: 3926: 3913: 3912: 3910: 3908: 3892: 3886: 3885: 3883: 3882: 3876: 3845: 3843:astro-ph/0703059 3827: 3818: 3805: 3804: 3802: 3801: 3795: 3789:. Archived from 3774: 3765: 3759: 3758: 3756: 3755: 3749: 3734: 3700: 3691: 3680: 3679: 3677: 3676: 3657: 3642: 3641: 3606: 3600: 3599: 3597: 3596: 3568: 3562: 3561: 3559: 3557: 3538: 3532: 3531: 3529: 3527: 3508: 3499: 3498: 3496: 3494: 3472: 3466: 3465: 3463: 3462: 3443:Showalter, M. R. 3439: 3433: 3432: 3430: 3429: 3410: 3401: 3400: 3374: 3372:astro-ph/0604552 3351:Jewitt, David C. 3343: 3330: 3329: 3327: 3325: 3319: 3272: 3264:Kavelaars, J. J. 3256: 3243: 3242: 3240: 3239: 3183: 3156: 3155: 3111: 3105: 3104: 3102: 3085:(361): 175–176. 3070: 3064: 3063: 3061: 3027: 3021: 3020: 3018: 3016: 2997: 2988: 2978: 2976: 2974: 2959: 2933: 2930: 2924: 2920: 2914: 2910: 2904: 2897: 2891: 2873: 2867: 2834: 2828: 2817: 2770: 2769: 2767: 2759: 2758: 2755: 2748: 2743: 2727: 2702: 2701: 2699: 2691: 2690: 2687: 2680: 2675: 2658: 2657: 2654: 2653: 2650: 2647: 2644: 2641: 2626: 2598: 2597: 2595: 2587: 2586: 2583: 2576: 2571: 2554: 2553: 2550: 2549: 2546: 2543: 2540: 2537: 2534: 2531: 2516: 2491: 2490: 2488: 2479: 2478: 2475: 2468: 2463: 2446: 2445: 2442: 2441: 2438: 2435: 2432: 2429: 2426: 2423: 2420: 2417: 2414: 2399: 2374: 2373: 2371: 2362: 2361: 2358: 2351: 2346: 2323: 2298: 2297: 2295: 2286: 2285: 2282: 2275: 2270: 2253: 2252: 2249: 2248: 2245: 2242: 2239: 2224: 2197: 2196: 2194: 2186: 2185: 2182: 2175: 2170: 2153: 2152: 2149: 2148: 2145: 2142: 2139: 2136: 2133: 2130: 2127: 2124: 2121: 2106: 2080: 2079: 2072: 2071: 2068: 2061: 2060: 2053: 2052: 2034: 2033: 2030: 2029: 2026: 2023: 2020: 2017: 2014: 1999: 1973: 1972: 1966: 1965: 1958: 1957: 1954: 1947: 1946: 1944: 1940: 1936: 1930: 1928: 1924: 1904: 1903: 1900: 1899: 1896: 1893: 1890: 1887: 1884: 1867: 1842: 1841: 1834: 1833: 1826: 1821: 1802: 1801: 1798: 1797: 1794: 1791: 1788: 1785: 1782: 1779: 1776: 1761: 1733: 1732: 1725: 1724: 1717: 1712: 1711: 1709: 1689: 1688: 1685: 1684: 1681: 1678: 1675: 1672: 1669: 1666: 1663: 1660: 1645: 1620: 1619: 1612: 1611: 1604: 1599: 1580: 1579: 1576: 1575: 1572: 1569: 1566: 1563: 1560: 1557: 1542: 1517: 1516: 1509: 1508: 1501: 1496: 1477: 1476: 1473: 1472: 1469: 1466: 1463: 1460: 1457: 1454: 1451: 1448: 1433: 1408: 1407: 1400: 1399: 1392: 1387: 1368: 1367: 1364: 1363: 1360: 1357: 1354: 1351: 1348: 1345: 1342: 1327: 1302: 1301: 1294: 1293: 1286: 1281: 1262: 1261: 1258: 1257: 1254: 1251: 1248: 1245: 1242: 1239: 1224: 1199: 1198: 1191: 1190: 1183: 1178: 1159: 1158: 1155: 1154: 1151: 1148: 1145: 1142: 1137: 1136: 1133: 1130: 1127: 1124: 1109: 1049: 1043: 1009: 997: 995:Neptunian moons 993: 954: 950: 753:geometric albedo 671:being almost an 583:geometric albedo 425:moons of Jupiter 372:Moons of Neptune 369: 360: 351: 345:Moons of Jupiter 342: 320: 319: 312: 287:Subaru Telescope 178:Gerard P. Kuiper 73:, discovered by 35:diffraction star 8305: 8304: 8300: 8299: 8298: 8296: 8295: 8294: 8270: 8269: 8268: 8256: 8246: 8244: 8234: 8232: 8220: 8212: 8210: 8205: 8199: 8197: 8196: 8190: 8183: 8176: 8169: 8163: 8157: 8151: 8144: 8137: 8130: 8123: 8116: 8109: 8094: 8092: 8082: 8080: 8070: 8068: 8055: 8046: 8010: 7947: 7931:vs. Hill sphere 7857:Molecular cloud 7785:Sample curation 7765:Detached object 7704: 7697: 7541: 7533: 7470: 7457: 7402:Neptune trojans 7185: 7183: 7181: 7174: 7116: 6809: 6680: 6662: 6548: 6511: 6504: 6499: 6469: 6464: 6430:Irregular moons 6411: 6251: 6245: 6240: 6235: 6226: 6212: 6198: 6183: 6178: 6169: 6162: 6143: 6129: 6115: 6107:Jupiter trojans 6080: 6066: 6054: 6049: 6027: 6022: 6008: 6001: 5987: 5975: 5956: 5941: 5936: 5929: 5920: 5906: 5885: 5878: 5834: 5827: 5821: 5815: 5806: 5767: 5760: 5751: 5721: 5716: 5688: 5663: 5652:Mariner Mark II 5633: 5610:Neptune Odyssey 5591: 5557: 5549: 5548: 5545: 5537: 5536: 5533: 5525: 5524: 5521: 5513: 5512: 5509: 5501: 5500: 5497: 5489: 5488: 5485: 5477: 5476: 5473: 5450: 5429: 5425:William Lassell 5384: 5289: 5277: 5268:Small Dark Spot 5263:Great Dark Spot 5251: 5238: 5233: 5203: 5198: 5170: 5161:Neptune trojans 5145: 5114: 5083: 5039: 4990: 4980: 4975: 4928:Neptune's Moons 4915: 4910: 4909: 4903: 4886: 4882: 4872: 4870: 4861: 4860: 4853: 4822: 4818: 4781: 4777: 4732: 4728: 4673: 4669: 4660: 4658: 4654: 4618:(7090): 192–4. 4607: 4601: 4594: 4569: 4565: 4555: 4553: 4542:"Neptune Moons" 4536: 4529: 4519: 4517: 4502: 4498: 4438: 4432: 4423: 4372: 4368: 4321: 4312: 4284: 4280: 4271: 4269: 4265: 4229: 4225: 4178: 4174: 4165: 4163: 4159: 4128: 4122: 4113: 4082: 4075: 4044: 4037: 3998: 3989: 3958: 3954: 3947: 3927: 3916: 3906: 3904: 3893: 3889: 3880: 3878: 3874: 3825: 3819: 3808: 3799: 3797: 3793: 3787: 3772: 3766: 3762: 3753: 3751: 3747: 3698: 3692: 3683: 3674: 3672: 3659: 3658: 3645: 3630: 3607: 3603: 3594: 3592: 3585: 3569: 3565: 3555: 3553: 3540: 3539: 3535: 3525: 3523: 3510: 3509: 3502: 3492: 3490: 3473: 3469: 3460: 3458: 3440: 3436: 3427: 3425: 3412: 3411: 3404: 3344: 3333: 3323: 3321: 3317: 3270: 3257: 3246: 3237: 3235: 3184: 3159: 3112: 3108: 3071: 3067: 3028: 3024: 3014: 3012: 2999: 2998: 2991: 2972: 2970: 2961: 2960: 2947: 2942: 2937: 2936: 2931: 2927: 2921: 2917: 2911: 2907: 2898: 2894: 2874: 2870: 2835: 2831: 2818: 2814: 2809: 2797: 2785:Sheppard et al. 2765: 2763: 2756: 2753: 2751: 2697: 2695: 2688: 2685: 2683: 2638: 2634: 2593: 2591: 2584: 2581: 2579: 2528: 2524: 2486: 2484: 2476: 2473: 2471: 2411: 2407: 2369: 2367: 2359: 2356: 2354: 2293: 2291: 2283: 2280: 2278: 2236: 2232: 2192: 2190: 2183: 2180: 2178: 2118: 2114: 2077: 2069: 2066: 2064: 2058: 2050: 2011: 2007: 1970: 1963: 1961: 1955: 1952: 1950: 1942: 1941: ×  1938: 1937: ×  1934: 1932: 1931: 1926: 1922: 1920: 1881: 1877: 1839: 1831: 1829: 1819: 1773: 1769: 1730: 1722: 1720: 1707: 1705: 1657: 1653: 1635:Reitsema et al. 1617: 1609: 1607: 1597: 1554: 1550: 1514: 1506: 1504: 1494: 1445: 1441: 1405: 1397: 1395: 1385: 1339: 1335: 1299: 1291: 1289: 1279: 1236: 1232: 1196: 1188: 1186: 1176: 1139: 1121: 1117: 1099: 1095:Year announced 1090: 1085: 1074: 1063: 1056: 1054:Semi-major axis 1050: 1041: 1039: 1038: 1031: 1023: 1008: 1001: 992: 975:‡ Halimede (1) 959:Inner moons (7) 912: 864: 856:Pasiphae groups 843: 804: 798: 751:and has a high 732:carbon monoxide 696:semi-major axis 688: 682: 603: 601:Irregular moons 540:LeVerrier rings 532:Neptune's rings 477: 445: 443:Characteristics 405:Greek mythology 385: 379: 374: 367: 365: 363:Moons of Uranus 358: 356: 354:Moons of Saturn 349: 347: 340: 334: 321: 317: 186:David J. Tholen 166:William Lassell 159: 154: 129:Neptune's rings 125:prograde orbits 75:William Lassell 67:Greek mythology 17: 12: 11: 5: 8303: 8293: 8292: 8290:Lists of moons 8287: 8282: 8267: 8266: 8254: 8242: 8230: 8207: 8206: 8103: 8102: 8090: 8078: 8066: 8060: 8057: 8056: 8052: 8051: 8048: 8047: 8045: 8044: 8039: 8034: 8029: 8024: 8018: 8016: 8012: 8011: 8009: 8008: 8003: 8002: 8001: 7996: 7986: 7981: 7976: 7971: 7966: 7961: 7955: 7953: 7949: 7948: 7946: 7945: 7943:Scattered disc 7940: 7935: 7934: 7933: 7923: 7918: 7917: 7916: 7911: 7910: 7909: 7899: 7894: 7889: 7884: 7874: 7869: 7864: 7859: 7854: 7849: 7844: 7839: 7834: 7829: 7824: 7819: 7814: 7809: 7804: 7799: 7794: 7793: 7792: 7787: 7777: 7772: 7767: 7762: 7757: 7752: 7747: 7742: 7737: 7732: 7731: 7730: 7728:Excretion disk 7723:Accretion disk 7720: 7715: 7713:Star formation 7709: 7707: 7699: 7698: 7696: 7695: 7690: 7685: 7680: 7675: 7670: 7665: 7660: 7659: 7658: 7648: 7643: 7638: 7637: 7636: 7626: 7621: 7616: 7615: 7614: 7609: 7604: 7602:space stations 7594: 7593: 7592: 7587: 7577: 7576: 7575: 7570: 7565: 7555: 7549: 7547: 7535: 7534: 7532: 7531: 7526: 7521: 7516: 7511: 7506: 7501: 7496: 7491: 7486: 7481: 7475: 7473: 7462: 7459: 7458: 7456: 7455: 7450: 7449: 7448: 7443: 7441:Scattered disc 7438: 7433: 7428: 7427: 7426: 7421: 7406: 7405: 7404: 7399: 7389: 7388: 7387: 7382: 7377: 7372: 7367: 7362: 7357: 7352: 7347: 7337: 7332: 7327: 7326: 7325: 7320: 7315: 7310: 7309: 7308: 7303: 7293: 7288: 7283: 7273: 7272: 7271: 7266: 7261: 7256: 7251: 7246: 7241: 7236: 7228: 7223: 7222: 7221: 7216: 7206: 7201: 7196: 7190: 7188: 7176: 7175: 7173: 7172: 7167: 7162: 7157: 7152: 7147: 7142: 7132: 7126: 7124: 7118: 7117: 7115: 7114: 7113: 7112: 7102: 7101: 7100: 7090: 7089: 7088: 7078: 7077: 7076: 7066: 7065: 7064: 7059: 7049: 7048: 7047: 7042: 7037: 7032: 7027: 7017: 7016: 7015: 7005: 7004: 7003: 6998: 6993: 6988: 6978: 6977: 6976: 6971: 6966: 6961: 6956: 6951: 6941: 6940: 6939: 6934: 6929: 6924: 6919: 6914: 6909: 6904: 6899: 6894: 6884: 6883: 6882: 6877: 6872: 6867: 6862: 6852: 6851: 6850: 6845: 6835: 6834: 6833: 6828: 6819: 6817: 6811: 6810: 6808: 6807: 6806: 6805: 6800: 6795: 6790: 6785: 6780: 6775: 6770: 6765: 6755: 6754: 6753: 6752: 6751: 6746: 6736: 6735: 6734: 6729: 6714: 6713: 6712: 6707: 6702: 6697: 6686: 6684: 6667: 6664: 6663: 6661: 6660: 6653: 6646: 6639: 6632: 6625: 6618: 6611: 6604: 6599: 6594: 6589: 6584: 6577: 6572: 6567: 6562: 6557: 6509: 6506: 6505: 6498: 6497: 6490: 6483: 6475: 6466: 6465: 6463: 6462: 6457: 6452: 6447: 6442: 6437: 6432: 6427: 6422: 6416: 6413: 6412: 6410: 6409: 6406: 6401: 6396: 6391: 6386: 6381: 6376: 6371: 6366: 6361: 6356: 6351: 6346: 6341: 6336: 6331: 6326: 6321: 6316: 6311: 6306: 6301: 6296: 6291: 6286: 6281: 6276: 6271: 6270: 6269: 6255: 6253: 6247: 6246: 6244: 6243: 6238: 6233: 6232: 6231: 6222:Gǃkúnǁʼhòmdímà 6219: 6218: 6217: 6205: 6204: 6203: 6191: 6186: 6181: 6176: 6175: 6174: 6167: 6155: 6151: 6150: 6149: 6148: 6136: 6135: 6134: 6122: 6121: 6120: 6108: 6104: 6103: 6097: 6092: 6087: 6086: 6085: 6073: 6072: 6071: 6059: 6058: 6057: 6052: 6042: 6037: 6032: 6031: 6030: 6025: 6015: 6014: 6013: 6006: 5994: 5993: 5992: 5980: 5979: 5978: 5968: 5963: 5962: 5961: 5949: 5945: 5944: 5939: 5934: 5927: 5926: 5925: 5913: 5912: 5911: 5899: 5894: 5890: 5888: 5880: 5879: 5877: 5876: 5871: 5866: 5861: 5856: 5851: 5846: 5840: 5838: 5829: 5828: 5809: 5807: 5805: 5804: 5799: 5794: 5789: 5784: 5779: 5773: 5771: 5762: 5761: 5750: 5749: 5742: 5735: 5727: 5718: 5717: 5715: 5714: 5704: 5693: 5690: 5689: 5687: 5686: 5681: 5675: 5673: 5669: 5668: 5665: 5664: 5662: 5661: 5658:New Horizons 2 5654: 5649: 5641: 5639: 5635: 5634: 5632: 5631: 5624: 5617: 5612: 5607: 5599: 5597: 5593: 5592: 5590: 5589: 5578: 5576: 5569: 5563: 5562: 5559: 5558: 5556: 5555: 5543: 5531: 5519: 5507: 5495: 5483: 5471: 5466: 5460: 5458: 5452: 5451: 5449: 5448: 5443: 5437: 5435: 5431: 5430: 5428: 5427: 5422: 5417: 5412: 5407: 5401: 5399: 5390: 5386: 5385: 5383: 5382: 5377: 5372: 5367: 5362: 5357: 5352: 5347: 5342: 5335: 5330: 5325: 5320: 5315: 5310: 5305: 5299: 5297: 5291: 5290: 5280: 5278: 5276: 5275: 5270: 5265: 5259: 5257: 5253: 5252: 5250: 5249: 5243: 5240: 5239: 5232: 5231: 5224: 5217: 5209: 5200: 5199: 5197: 5196: 5186: 5175: 5172: 5171: 5169: 5168: 5163: 5157: 5155: 5151: 5150: 5147: 5146: 5144: 5143: 5138: 5133: 5128: 5122: 5120: 5116: 5115: 5113: 5112: 5107: 5102: 5097: 5091: 5089: 5085: 5084: 5082: 5081: 5080: 5079: 5074: 5069: 5056: 5054: 5047: 5041: 5040: 5038: 5037: 5032: 5027: 5022: 5017: 5012: 5007: 5001: 4999: 4992: 4991: 4985: 4982: 4981: 4974: 4973: 4966: 4959: 4951: 4945: 4944: 4939: 4934: 4925: 4914: 4913:External links 4911: 4908: 4907: 4901: 4880: 4851: 4816: 4795:(2): 587–588. 4775: 4726: 4713:10.1086/424997 4689:(1): L77–L80. 4667: 4592: 4563: 4527: 4510:tilmanndenk.de 4496: 4421: 4384:(1): 225–240. 4366: 4310: 4278: 4245:(1): 258–273. 4223: 4172: 4139:(2): 425–428. 4111: 4092:(2): 400–407. 4073: 4054:(2): 390–401. 4035: 3987: 3952: 3945: 3914: 3887: 3806: 3785: 3760: 3681: 3643: 3628: 3612:(April 1996). 3610:Moore, Patrick 3601: 3583: 3563: 3533: 3500: 3467: 3445:(2013-07-15). 3434: 3420:. 2013-07-15. 3402: 3389:10.1086/504799 3365:(1): 171–176. 3331: 3244: 3157: 3106: 3100:10.1086/126166 3065: 3022: 2989: 2944: 2943: 2941: 2938: 2935: 2934: 2925: 2915: 2905: 2892: 2876:Binary objects 2868: 2829: 2811: 2810: 2808: 2805: 2804: 2803: 2796: 2793: 2790: 2789: 2786: 2783: 2780: 2777: 2774: 2771: 2760: 2749: 2744: 2739: 2736: 2734: 2732: 2725: 2722: 2721: 2718: 2715: 2712: 2709: 2706: 2703: 2692: 2681: 2676: 2671: 2668: 2659: 2632: 2627: 2621: 2620: 2617: 2611: 2608: 2605: 2602: 2599: 2588: 2577: 2572: 2567: 2564: 2555: 2522: 2517: 2511: 2510: 2507: 2504: 2501: 2498: 2495: 2492: 2480: 2469: 2464: 2459: 2456: 2447: 2405: 2400: 2394: 2393: 2390: 2387: 2384: 2381: 2378: 2375: 2363: 2352: 2347: 2342: 2339: 2330: 2328: 2321: 2318: 2317: 2314: 2311: 2308: 2305: 2302: 2299: 2287: 2276: 2271: 2266: 2263: 2254: 2230: 2225: 2219: 2218: 2216: 2210: 2207: 2204: 2201: 2198: 2187: 2176: 2171: 2166: 2163: 2154: 2112: 2107: 2101: 2100: 2098: 2093: 2090: 2087: 2084: 2081: 2073: 2062: 2054: 2047: 2044: 2035: 2005: 2000: 1994: 1993: 1991: 1986: 1983: 1980: 1977: 1974: 1967: 1959: 1948: 1917: 1914: 1905: 1875: 1868: 1862: 1861: 1858: 1855: 1852: 1849: 1846: 1843: 1835: 1827: 1822: 1815: 1812: 1803: 1767: 1762: 1756: 1755: 1752: 1746: 1743: 1740: 1737: 1734: 1726: 1718: 1713: 1702: 1699: 1690: 1651: 1646: 1640: 1639: 1636: 1633: 1630: 1627: 1624: 1621: 1613: 1605: 1600: 1593: 1590: 1581: 1548: 1543: 1537: 1536: 1533: 1530: 1527: 1524: 1521: 1518: 1510: 1502: 1497: 1490: 1487: 1478: 1439: 1434: 1428: 1427: 1424: 1421: 1418: 1415: 1412: 1409: 1401: 1393: 1388: 1381: 1378: 1369: 1333: 1328: 1322: 1321: 1318: 1315: 1312: 1309: 1306: 1303: 1295: 1287: 1282: 1275: 1272: 1263: 1230: 1225: 1219: 1218: 1215: 1212: 1209: 1206: 1203: 1200: 1192: 1184: 1179: 1172: 1169: 1160: 1115: 1110: 1104: 1103: 1100: 1096: 1093: 1086: 1080: 1069: 1061:Orbital period 1058: 1051: 1033: 1026: 1019: 1016: 1007:Pronunciation 1005: 1002: 989: 988: 986:Neso group (3) 982: 976: 972: 971: 968: 961: 949: 911: 908: 863: 860: 842: 839: 800:Main article: 797: 794: 745:carbon dioxide 738:. In 1989 the 684:Main article: 681: 678: 602: 599: 476: 473: 444: 441: 378: 375: 366: 357: 348: 339: 336: 335: 324: 322: 315: 158: 155: 153: 150: 90:planetary mass 63:water creature 15: 9: 6: 4: 3: 2: 8302: 8291: 8288: 8286: 8283: 8281: 8278: 8277: 8275: 8265: 8260: 8255: 8253: 8243: 8241: 8231: 8229: 8224: 8219: 8218: 8215: 8204: 8195: 8188: 8181: 8174: 8168: 8162: 8156: 8149: 8142: 8135: 8128: 8121: 8114: 8107: 8101: 8091: 8089: 8079: 8077: 8067: 8065: 8062: 8061: 8058: 8043: 8042:Tidal locking 8040: 8038: 8035: 8033: 8030: 8028: 8025: 8023: 8022:Double planet 8020: 8019: 8017: 8013: 8007: 8004: 8000: 7997: 7995: 7992: 7991: 7990: 7987: 7985: 7982: 7980: 7977: 7975: 7974:Minor planets 7972: 7970: 7967: 7965: 7962: 7960: 7957: 7956: 7954: 7950: 7944: 7941: 7939: 7936: 7932: 7929: 7928: 7927: 7924: 7922: 7919: 7915: 7912: 7908: 7907:Merging stars 7905: 7904: 7903: 7900: 7898: 7895: 7893: 7890: 7888: 7885: 7883: 7880: 7879: 7878: 7875: 7873: 7870: 7868: 7865: 7863: 7860: 7858: 7855: 7853: 7850: 7848: 7845: 7843: 7840: 7838: 7835: 7833: 7830: 7828: 7825: 7823: 7820: 7818: 7815: 7813: 7810: 7808: 7805: 7803: 7800: 7798: 7795: 7791: 7788: 7786: 7783: 7782: 7781: 7778: 7776: 7773: 7771: 7768: 7766: 7763: 7761: 7758: 7756: 7753: 7751: 7748: 7746: 7743: 7741: 7738: 7736: 7733: 7729: 7726: 7725: 7724: 7721: 7719: 7716: 7714: 7711: 7710: 7708: 7706: 7700: 7694: 7691: 7689: 7686: 7684: 7681: 7679: 7676: 7674: 7671: 7669: 7666: 7664: 7661: 7657: 7654: 7653: 7652: 7649: 7647: 7644: 7642: 7639: 7635: 7632: 7631: 7630: 7627: 7625: 7622: 7620: 7617: 7613: 7610: 7608: 7605: 7603: 7600: 7599: 7598: 7595: 7591: 7588: 7586: 7583: 7582: 7581: 7578: 7574: 7571: 7569: 7566: 7564: 7561: 7560: 7559: 7556: 7554: 7551: 7550: 7548: 7545: 7540: 7536: 7530: 7527: 7525: 7522: 7520: 7517: 7515: 7512: 7510: 7509:Subsatellites 7507: 7505: 7502: 7500: 7497: 7495: 7492: 7490: 7487: 7485: 7482: 7480: 7477: 7476: 7474: 7472: 7469:Hypothetical 7466: 7463: 7454: 7451: 7447: 7444: 7442: 7439: 7437: 7434: 7432: 7429: 7425: 7422: 7420: 7417: 7416: 7415: 7412: 7411: 7410: 7407: 7403: 7400: 7398: 7395: 7394: 7393: 7390: 7386: 7383: 7381: 7378: 7376: 7373: 7371: 7368: 7366: 7363: 7361: 7358: 7356: 7353: 7351: 7348: 7346: 7343: 7342: 7341: 7338: 7336: 7335:Asteroid belt 7333: 7331: 7328: 7324: 7321: 7319: 7316: 7314: 7311: 7307: 7304: 7302: 7299: 7298: 7297: 7294: 7292: 7289: 7287: 7284: 7282: 7279: 7278: 7277: 7274: 7270: 7267: 7265: 7262: 7260: 7257: 7255: 7252: 7250: 7247: 7245: 7242: 7240: 7237: 7235: 7232: 7231: 7229: 7227: 7224: 7220: 7217: 7215: 7212: 7211: 7210: 7209:Minor planets 7207: 7205: 7202: 7200: 7197: 7195: 7192: 7191: 7189: 7187: 7177: 7171: 7168: 7166: 7163: 7161: 7158: 7156: 7153: 7151: 7148: 7146: 7143: 7140: 7136: 7133: 7131: 7128: 7127: 7125: 7123: 7119: 7111: 7108: 7107: 7106: 7103: 7099: 7096: 7095: 7094: 7091: 7087: 7084: 7083: 7082: 7079: 7075: 7072: 7071: 7070: 7067: 7063: 7060: 7058: 7055: 7054: 7053: 7050: 7046: 7043: 7041: 7038: 7036: 7033: 7031: 7028: 7026: 7023: 7022: 7021: 7018: 7014: 7011: 7010: 7009: 7006: 7002: 6999: 6997: 6994: 6992: 6989: 6987: 6984: 6983: 6982: 6979: 6975: 6972: 6970: 6967: 6965: 6962: 6960: 6957: 6955: 6952: 6950: 6947: 6946: 6945: 6942: 6938: 6935: 6933: 6930: 6928: 6925: 6923: 6920: 6918: 6915: 6913: 6910: 6908: 6905: 6903: 6900: 6898: 6895: 6893: 6890: 6889: 6888: 6885: 6881: 6878: 6876: 6873: 6871: 6868: 6866: 6863: 6861: 6858: 6857: 6856: 6853: 6849: 6846: 6844: 6841: 6840: 6839: 6836: 6832: 6829: 6827: 6824: 6823: 6821: 6820: 6818: 6816: 6812: 6804: 6801: 6799: 6796: 6794: 6791: 6789: 6786: 6784: 6781: 6779: 6776: 6774: 6771: 6769: 6766: 6764: 6761: 6760: 6759: 6756: 6750: 6747: 6745: 6742: 6741: 6740: 6737: 6733: 6730: 6728: 6725: 6724: 6723: 6720: 6719: 6718: 6715: 6711: 6708: 6706: 6703: 6701: 6698: 6696: 6693: 6692: 6691: 6688: 6687: 6685: 6683: 6678: 6674: 6671: 6670: 6665: 6659: 6658: 6654: 6652: 6651: 6647: 6645: 6644: 6640: 6638: 6637: 6633: 6631: 6630: 6626: 6624: 6623: 6619: 6617: 6616: 6612: 6610: 6609: 6605: 6603: 6600: 6598: 6595: 6593: 6590: 6588: 6585: 6583: 6582: 6578: 6576: 6573: 6571: 6568: 6566: 6563: 6561: 6558: 6556: 6553: 6552: 6507: 6503: 6496: 6491: 6489: 6484: 6482: 6477: 6476: 6473: 6461: 6458: 6456: 6455:Regular moons 6453: 6451: 6448: 6446: 6443: 6441: 6438: 6436: 6433: 6431: 6428: 6426: 6423: 6421: 6418: 6417: 6414: 6407: 6405: 6402: 6400: 6397: 6395: 6392: 6390: 6387: 6385: 6382: 6380: 6377: 6375: 6372: 6370: 6367: 6365: 6362: 6360: 6357: 6355: 6352: 6350: 6347: 6345: 6342: 6340: 6337: 6335: 6332: 6330: 6327: 6325: 6322: 6320: 6317: 6315: 6312: 6310: 6307: 6305: 6302: 6300: 6297: 6295: 6292: 6290: 6287: 6285: 6282: 6280: 6277: 6275: 6272: 6266: 6262: 6261: 6260: 6257: 6256: 6254: 6248: 6241: 6234: 6229: 6225: 6224: 6223: 6220: 6215: 6211: 6210: 6209: 6206: 6201: 6197: 6196: 6195: 6192: 6190: 6187: 6184: 6177: 6172: 6168: 6165: 6161: 6160: 6159: 6156: 6153: 6152: 6146: 6142: 6141: 6140: 6137: 6132: 6128: 6127: 6126: 6123: 6118: 6114: 6113: 6112: 6109: 6106: 6105: 6101: 6098: 6096: 6093: 6091: 6088: 6083: 6079: 6078: 6077: 6074: 6069: 6065: 6064: 6063: 6060: 6053: 6048: 6047: 6046: 6043: 6041: 6038: 6036: 6033: 6026: 6021: 6020: 6019: 6016: 6011: 6007: 6004: 6000: 5999: 5998: 5995: 5990: 5986: 5985: 5984: 5981: 5974: 5973: 5972: 5969: 5967: 5964: 5959: 5955: 5954: 5953: 5950: 5947: 5946: 5942: 5935: 5932: 5928: 5923: 5919: 5918: 5917: 5914: 5909: 5905: 5904: 5903: 5900: 5898: 5895: 5892: 5891: 5889: 5887: 5881: 5875: 5872: 5870: 5867: 5865: 5862: 5860: 5857: 5855: 5852: 5850: 5847: 5845: 5842: 5841: 5839: 5836: 5830: 5825: 5819: 5813: 5803: 5800: 5798: 5795: 5793: 5790: 5788: 5785: 5783: 5780: 5778: 5775: 5774: 5772: 5769: 5763: 5759: 5755: 5748: 5743: 5741: 5736: 5734: 5729: 5728: 5725: 5713: 5709: 5705: 5703: 5695: 5694: 5691: 5685: 5682: 5680: 5677: 5676: 5674: 5670: 5660: 5659: 5655: 5653: 5650: 5648: 5647: 5643: 5642: 5640: 5636: 5630: 5629: 5625: 5623: 5622: 5621:Triton Hopper 5618: 5616: 5613: 5611: 5608: 5606: 5605: 5601: 5600: 5598: 5594: 5585: 5584: 5580: 5579: 5577: 5573: 5570: 5568: 5564: 5553: 5544: 5541: 5532: 5529: 5520: 5517: 5508: 5505: 5496: 5493: 5484: 5481: 5472: 5470: 5467: 5465: 5464:385571 Otrera 5462: 5461: 5459: 5457: 5453: 5447: 5444: 5442: 5439: 5438: 5436: 5432: 5426: 5423: 5421: 5418: 5416: 5413: 5411: 5408: 5406: 5403: 5402: 5400: 5398: 5394: 5391: 5387: 5381: 5378: 5376: 5373: 5371: 5368: 5366: 5363: 5361: 5358: 5356: 5353: 5351: 5348: 5346: 5343: 5341: 5340: 5336: 5334: 5331: 5329: 5326: 5324: 5321: 5319: 5316: 5314: 5311: 5309: 5306: 5304: 5301: 5300: 5298: 5296: 5292: 5284: 5274: 5271: 5269: 5266: 5264: 5261: 5260: 5258: 5254: 5248: 5245: 5244: 5241: 5237: 5230: 5225: 5223: 5218: 5216: 5211: 5210: 5207: 5195: 5191: 5187: 5185: 5177: 5176: 5173: 5167: 5164: 5162: 5159: 5158: 5156: 5152: 5142: 5139: 5137: 5134: 5132: 5129: 5127: 5124: 5123: 5121: 5117: 5111: 5108: 5106: 5103: 5101: 5098: 5096: 5093: 5092: 5090: 5086: 5078: 5075: 5073: 5070: 5068: 5065: 5064: 5063: 5062: 5058: 5057: 5055: 5051: 5048: 5046: 5042: 5036: 5033: 5031: 5028: 5026: 5023: 5021: 5018: 5016: 5013: 5011: 5008: 5006: 5003: 5002: 5000: 4997: 4993: 4989: 4983: 4979: 4972: 4967: 4965: 4960: 4958: 4953: 4952: 4949: 4943: 4940: 4938: 4935: 4933: 4929: 4926: 4924: 4923:Neptune Moons 4920: 4917: 4916: 4904: 4902:3-12-539683-2 4898: 4894: 4890: 4889:Jones, Daniel 4884: 4868: 4864: 4858: 4856: 4847: 4843: 4839: 4835: 4831: 4827: 4820: 4811: 4806: 4802: 4798: 4794: 4790: 4786: 4779: 4771: 4767: 4762: 4757: 4753: 4749: 4745: 4741: 4737: 4730: 4722: 4718: 4714: 4710: 4706: 4702: 4697: 4692: 4688: 4684: 4683: 4678: 4675:Grav, Tommy; 4671: 4653: 4649: 4645: 4641: 4637: 4633: 4629: 4625: 4621: 4617: 4613: 4606: 4599: 4597: 4588: 4584: 4580: 4576: 4575: 4567: 4551: 4547: 4543: 4540: 4534: 4532: 4515: 4511: 4507: 4500: 4492: 4488: 4484: 4480: 4475: 4470: 4466: 4462: 4457: 4452: 4448: 4444: 4437: 4430: 4428: 4426: 4417: 4413: 4409: 4405: 4401: 4397: 4392: 4387: 4383: 4379: 4378: 4370: 4362: 4358: 4354: 4350: 4346: 4342: 4338: 4334: 4330: 4326: 4319: 4317: 4315: 4306: 4302: 4298: 4294: 4293: 4288: 4282: 4264: 4260: 4256: 4252: 4248: 4244: 4240: 4239: 4234: 4227: 4219: 4215: 4211: 4207: 4203: 4199: 4195: 4191: 4187: 4183: 4176: 4158: 4154: 4150: 4146: 4142: 4138: 4134: 4127: 4120: 4118: 4116: 4107: 4103: 4099: 4095: 4091: 4087: 4080: 4078: 4069: 4065: 4061: 4057: 4053: 4049: 4042: 4040: 4031: 4027: 4023: 4019: 4015: 4011: 4007: 4003: 3996: 3994: 3992: 3983: 3979: 3975: 3971: 3967: 3963: 3956: 3948: 3942: 3938: 3933: 3925: 3923: 3921: 3919: 3902: 3898: 3891: 3873: 3869: 3865: 3861: 3857: 3853: 3849: 3844: 3839: 3836:(1): 261–95. 3835: 3831: 3824: 3817: 3815: 3813: 3811: 3796:on 2017-08-10 3792: 3788: 3786:9780816527557 3782: 3778: 3771: 3764: 3746: 3742: 3738: 3733: 3728: 3724: 3720: 3716: 3712: 3708: 3704: 3697: 3690: 3688: 3686: 3670: 3666: 3662: 3656: 3654: 3652: 3650: 3648: 3639: 3635: 3631: 3625: 3621: 3617: 3616: 3611: 3605: 3590: 3586: 3584:2-08-011041-1 3580: 3576: 3575: 3567: 3551: 3547: 3543: 3537: 3521: 3517: 3513: 3507: 3505: 3488: 3484: 3483: 3478: 3471: 3456: 3452: 3448: 3444: 3438: 3423: 3419: 3415: 3409: 3407: 3398: 3394: 3390: 3386: 3382: 3378: 3373: 3368: 3364: 3360: 3356: 3352: 3348: 3342: 3340: 3338: 3336: 3316: 3312: 3308: 3304: 3300: 3296: 3292: 3288: 3284: 3280: 3276: 3269: 3265: 3261: 3260:Holman, M. J. 3255: 3253: 3251: 3249: 3233: 3229: 3225: 3221: 3217: 3213: 3209: 3205: 3201: 3197: 3193: 3189: 3182: 3180: 3178: 3176: 3174: 3172: 3170: 3168: 3166: 3164: 3162: 3153: 3149: 3145: 3141: 3137: 3133: 3129: 3125: 3121: 3117: 3110: 3101: 3096: 3092: 3088: 3084: 3080: 3076: 3069: 3060: 3055: 3051: 3047: 3043: 3039: 3038: 3033: 3026: 3010: 3006: 3002: 2996: 2994: 2986: 2982: 2981:Laplace plane 2968: 2964: 2958: 2956: 2954: 2952: 2950: 2945: 2929: 2919: 2909: 2902: 2901:Roman numeral 2896: 2889: 2885: 2881: 2877: 2872: 2864: 2859: 2856:in the total 2855: 2851: 2847: 2843: 2839: 2833: 2826: 2822: 2816: 2812: 2802: 2799: 2798: 2787: 2784: 2781: 2778: 2775: 2772: 2761: 2750: 2745: 2740: 2737: 2733: 2730: 2726: 2724: 2723: 2719: 2717:Holman et al. 2716: 2713: 2710: 2707: 2704: 2693: 2682: 2677: 2672: 2669: 2664: 2656: 2633: 2631: 2628: 2623: 2622: 2618: 2615: 2612: 2609: 2606: 2603: 2600: 2589: 2578: 2573: 2568: 2565: 2560: 2552: 2523: 2521: 2518: 2513: 2512: 2508: 2506:Holman et al. 2505: 2502: 2499: 2496: 2493: 2481: 2470: 2465: 2460: 2457: 2452: 2444: 2406: 2404: 2401: 2396: 2395: 2391: 2389:Holman et al. 2388: 2385: 2382: 2379: 2376: 2364: 2353: 2348: 2343: 2340: 2335: 2329: 2326: 2322: 2320: 2319: 2315: 2313:Holman et al. 2312: 2309: 2306: 2303: 2300: 2288: 2277: 2272: 2267: 2264: 2259: 2251: 2231: 2229: 2226: 2221: 2220: 2217: 2214: 2211: 2208: 2205: 2202: 2199: 2188: 2177: 2172: 2167: 2164: 2159: 2151: 2113: 2111: 2108: 2103: 2102: 2099: 2097: 2094: 2091: 2088: 2085: 2082: 2074: 2063: 2055: 2048: 2045: 2040: 2032: 2006: 2004: 2001: 1996: 1995: 1992: 1990: 1987: 1984: 1981: 1978: 1975: 1968: 1960: 1949: 1918: 1915: 1910: 1902: 1876: 1874: 1873: 1869: 1864: 1863: 1859: 1856: 1853: 1850: 1847: 1844: 1836: 1828: 1823: 1816: 1813: 1808: 1800: 1768: 1766: 1763: 1758: 1757: 1753: 1750: 1747: 1744: 1741: 1738: 1735: 1727: 1719: 1714: 1703: 1700: 1695: 1687: 1652: 1650: 1647: 1642: 1641: 1637: 1634: 1631: 1628: 1625: 1622: 1614: 1606: 1601: 1594: 1591: 1586: 1578: 1549: 1547: 1544: 1539: 1538: 1534: 1531: 1528: 1525: 1522: 1519: 1511: 1503: 1498: 1491: 1488: 1483: 1475: 1440: 1438: 1435: 1430: 1429: 1425: 1422: 1419: 1416: 1413: 1410: 1402: 1394: 1389: 1382: 1379: 1374: 1366: 1334: 1332: 1329: 1324: 1323: 1319: 1316: 1313: 1310: 1307: 1304: 1296: 1288: 1283: 1276: 1273: 1268: 1260: 1231: 1229: 1226: 1221: 1220: 1216: 1213: 1210: 1207: 1204: 1201: 1193: 1185: 1180: 1173: 1170: 1165: 1157: 1116: 1114: 1111: 1106: 1105: 1101: 1097: 1094: 1092: 1087: 1084: 1078: 1073: 1067: 1062: 1055: 1047: 1037: 1030: 1025: 1017: 1013: 1006: 1003: 999: 998: 987: 983: 981: 980:Sao group (3) 977: 974: 973: 970:† Nereid (1) 969: 966: 962: 960: 956: 955: 948: 946: 942: 938: 934: 930: 929:perturbations 921: 916: 907: 903: 901: 898: 894: 889: 881: 877: 874: 869: 868:giant planets 859: 857: 853: 849: 838: 835: 829: 827: 822: 818: 814: 810: 803: 802:Nereid (moon) 793: 791: 786: 782: 778: 774: 773:cryovolcanism 770: 766: 762: 758: 754: 750: 746: 741: 737: 733: 729: 725: 721: 713: 709: 705: 701: 697: 692: 687: 686:Triton (moon) 677: 674: 668: 666: 665: 660: 659:giant planets 656: 652: 648: 644: 640: 636: 632: 628: 624: 616: 612: 609:The orbit of 607: 598: 596: 595:Uranian moons 592: 588: 584: 579: 577: 573: 569: 563: 561: 557: 553: 549: 545: 544:shepherd moon 541: 537: 533: 528: 526: 522: 518: 514: 510: 506: 502: 498: 494: 490: 486: 482: 475:Regular moons 468: 460: 456: 454: 450: 440: 438: 434: 430: 426: 420: 418: 414: 410: 406: 402: 398: 394: 390: 384: 373: 364: 355: 346: 332: 331:MediaWiki.org 328: 323: 314: 313: 310: 309: 305: 303: 299: 296: 292: 288: 284: 279: 277: 272: 268: 264: 260: 256: 251: 249: 245: 241: 237: 233: 229: 225: 221: 217: 213: 209: 205: 201: 200: 194: 191: 187: 183: 179: 175: 171: 167: 163: 149: 147: 143: 139: 134: 130: 126: 122: 117: 115: 111: 107: 103: 99: 95: 91: 86: 84: 80: 76: 72: 68: 64: 60: 59:water deities 56: 53:has 16 known 52: 44: 40: 36: 32: 28: 23: 19: 8280:Solar System 8198:Each arrow ( 8120:Local Bubble 8106:Solar System 8104: 7897:Planetesimal 7852:Kuiper cliff 7580:Space probes 7553:Colonization 7392:Kirkwood gap 7313:Saturn Moons 7226:Planetesimal 6980: 6690:Terrestrials 6655: 6648: 6641: 6634: 6627: 6620: 6613: 6606: 6579: 6502:Solar System 6460:Trojan moons 6450:Subsatellite 6264: 5989:Petit-Prince 5884:Minor-planet 5833:Dwarf planet 5801: 5758:Solar System 5656: 5644: 5638:Not selected 5626: 5619: 5602: 5587:(1989 flyby) 5581: 5469:385695 Clete 5337: 5294: 5059: 4977: 4892: 4883: 4871:. Retrieved 4829: 4825: 4819: 4792: 4788: 4778: 4743: 4739: 4729: 4686: 4680: 4670: 4659:. Retrieved 4615: 4611: 4578: 4572: 4566: 4554:. Retrieved 4545: 4518:. Retrieved 4509: 4499: 4446: 4442: 4381: 4375: 4369: 4328: 4324: 4296: 4290: 4287:Chyba, C. F. 4281: 4270:. Retrieved 4242: 4236: 4226: 4185: 4181: 4175: 4164:. Retrieved 4136: 4132: 4089: 4085: 4051: 4047: 4008:(1): 31–54. 4005: 4001: 3965: 3961: 3955: 3936: 3905:. Retrieved 3890: 3879:. Retrieved 3833: 3829: 3798:. Retrieved 3791:the original 3776: 3763: 3752:. Retrieved 3706: 3702: 3673:. Retrieved 3664: 3614: 3604: 3593:. Retrieved 3573: 3566: 3554:. Retrieved 3545: 3536: 3524:. Retrieved 3515: 3491:. Retrieved 3480: 3470: 3459:. Retrieved 3450: 3437: 3426:. Retrieved 3362: 3358: 3322:. Retrieved 3278: 3274: 3236:. Retrieved 3195: 3191: 3119: 3115: 3109: 3082: 3078: 3068: 3041: 3035: 3025: 3013:. Retrieved 3004: 2971:. Retrieved 2928: 2918: 2908: 2895: 2871: 2832: 2815: 1870: 1825:≈ 3900 1083:Eccentricity 985: 979: 964: 958: 925: 904: 890: 886: 865: 844: 830: 805: 776: 739: 717: 669: 662: 620: 580: 564: 529: 478: 446: 437:1162 Larissa 421: 392: 386: 371: 307: 306: 280: 275: 252: 203: 197: 195: 160: 146:Solar System 118: 102:Solar System 87: 48: 18: 8252:Outer space 8240:Spaceflight 8161:Local Sheet 8155:Local Group 7938:Rubble pile 7926:Roche limit 7921:Ring system 7872:Outer space 7847:Kuiper belt 7817:Hill sphere 7812:Hills cloud 7760:Debris disk 7755:Cosmic dust 7539:Exploration 7494:Planet Nine 7479:Fifth giant 7453:Hills cloud 7414:Kuiper belt 7385:exceptional 7301:Trojan camp 6425:Inner moons 6131:Skamandrios 5567:Exploration 5441:Kuiper belt 4520:25 February 3556:23 February 3526:23 February 3355:Kleyna, Jan 3015:23 February 2973:28 February 2838:phase angle 2747:≈ 0.8 2575:≈ 2.9 2467:≈ 3.4 2274:≈ 3.4 1716:≈ 2.2 1603:≈ 380 1500:≈ 280 1391:≈ 170 1098:Discoverer 900:Kuiper belt 848:Hill sphere 757:Bond albedo 704:Hill sphere 615:tilted −23° 327:Phabricator 257:discovered 142:Earth years 49:The planet 8274:Categories 8180:Local Hole 8127:Gould Belt 7867:Oort cloud 7703:Formation, 7693:Deep space 7529:Vulcanoids 7446:Oort cloud 7370:first 1000 7306:Greek camp 7204:Meteoroids 7199:Damocloids 7145:Charikloan 6189:Sila–Nunam 6055:Cleoselene 6050:Alexhelios 6028:Gorgoneion 5966:Euphrosyne 5893:Near-Earth 5835:satellites 5768:satellites 5380:S/2021 N 1 5360:S/2002 N 5 5141:S/2021 N 1 5119:Retrograde 5105:S/2002 N 5 5067:atmosphere 4661:2006-09-13 4456:1601.02395 4272:2019-06-09 4166:2010-05-22 3881:2010-09-27 3800:2017-07-22 3754:2019-02-22 3675:2022-06-23 3595:2009-03-04 3461:2013-07-16 3428:2021-01-28 3324:24 October 3238:2019-06-25 2940:References 2846:Lambertian 2825:S/2021 N 1 2821:S/2002 N 5 2742:≈ 25 2729:S/2021 N 1 2679:≈ 11 2674:≈ 60 2570:≈ 40 2462:≈ 42 2345:≈ 38 2325:S/2002 N 5 2269:≈ 44 2174:≈ 12 2169:≈ 62 1285:≈ 35 1182:≈ 13 1089:Discovery 933:osculating 893:three-body 809:precession 747:and water 720:atmosphere 655:S/2021 N 1 639:S/2002 N 5 568:polyhedron 560:resonances 552:Adams ring 433:74 Galatea 397:water gods 381:See also: 302:S/2002 N 5 298:S/2021 N 1 138:S/2021 N 1 94:retrograde 8141:Milky Way 8134:Orion Arm 7902:Formation 7887:Migration 7882:Disrupted 7750:Coatlicue 7718:Accretion 7705:evolution 7651:Asteroids 7563:astronomy 7558:Discovery 7419:Cubewanos 7340:Asteroids 7170:Quaoarian 7160:Neptunian 7150:Chironean 7135:Saturnian 6917:Enceladus 6354:Enceladus 6228:Gǃòʼé ǃHú 6139:Eurybates 6117:Menoetius 6111:Patroclus 6100:Dinkinesh 6045:Kleopatra 5948:Main belt 5908:Dimorphos 5766:Planetary 5684:Mythology 5596:Proposals 5583:Voyager 2 5397:Discovery 5389:Astronomy 5365:Laomedeia 5328:Hippocamp 5256:Geography 5110:Laomedeia 5045:Irregular 5030:Hippocamp 4770:248458067 4746:(5): 12. 4581:(3): 18. 4483:0035-8711 4416:119267757 4391:0804.2835 4030:121825800 2866:question. 2403:Laomedeia 2350:≈ 3 1749:Showalter 1649:Hippocamp 941:collapsed 862:Formation 777:Voyager 2 761:polar cap 740:Voyager 2 710:from the 643:Laomedeia 501:Hippocamp 453:irregular 429:asteroids 281:In 2021, 276:Voyager 2 263:ring arcs 259:Hippocamp 240:Laomedeia 204:Voyager 2 199:Voyager 2 157:Discovery 43:Hippocamp 8194:Universe 8032:Moonlets 7612:programs 7585:timeline 7573:timeline 7504:Planet X 7499:Planet V 7436:Sednoids 7424:Plutinos 7397:Centaurs 7375:families 7110:Dysnomia 7098:Xiangliu 7093:Gonggong 7081:Makemake 7040:Kerberos 6927:Hyperion 6865:Callisto 6860:Ganymede 6793:Gonggong 6788:Makemake 6643:Gonggong 6636:Makemake 6399:Hyperion 6349:Dysnomia 6279:Callisto 6259:Ganymede 6082:Olympias 5952:Kalliope 5922:Squannit 5897:Florence 5869:Gonggong 5864:Makemake 5702:Category 5370:Psamathe 5350:Halimede 5308:Thalassa 5184:Category 5154:See also 5131:Psamathe 5126:Halimede 5088:Prograde 5010:Thalassa 4873:28 March 4867:Archived 4721:15706906 4652:Archived 4640:16688170 4556:26 April 4550:Archived 4514:Archived 4491:54602372 4361:34095237 4353:17750259 4263:Archived 4218:38283311 4210:17757211 4157:Archived 3901:Archived 3899:. NASA. 3872:Archived 3868:13282788 3745:Archived 3741:30787452 3669:Archived 3638:33103787 3589:Archived 3550:Archived 3520:Archived 3487:Archived 3455:Archived 3422:Archived 3315:Archived 3303:15318214 3232:Archived 3228:45403579 3220:17755997 3152:21385195 3144:17784355 3009:Archived 2985:ecliptic 2967:Archived 2795:See also 2614:Sheppard 2520:Psamathe 2110:Halimede 2057:≈  2051:357 ± 13 1228:Thalassa 1029:Diameter 945:spheroid 826:Hyperion 821:Herschel 724:nitrogen 712:ecliptic 647:Psamathe 631:Halimede 521:Thalassa 485:Thalassa 409:Poseidon 271:stacking 253:In 2013 236:Psamathe 228:Halimede 212:Thalassa 108:'s moon 98:inclined 8264:Science 8214:Portals 8015:Related 7994:by size 7683:Neptune 7668:Jupiter 7619:Mercury 7544:outline 7489:Phaeton 7484:Nemesis 7471:objects 7323:Neptune 7296:Jupiter 7276:Trojans 7269:Neptune 7254:Jupiter 7234:Mercury 7165:Haumean 7155:Uranian 7137: ( 7057:Hiʻiaka 6991:Proteus 6981:Neptune 6969:Miranda 6959:Umbriel 6949:Titania 6937:all 146 6902:Iapetus 6855:Jupiter 6749:Neptune 6727:Jupiter 6695:Mercury 6677:Planets 6602:Neptune 6587:Jupiter 6560:Mercury 6389:Hiʻiaka 6369:Proteus 6359:Miranda 6329:Umbriel 6319:Iapetus 6304:Titania 6265:largest 6252:by size 6237:2013 FY 6194:Salacia 6180:2002 UX 6102:(Selam) 6090:Pulcova 6040:Elektra 6035:Camilla 6018:Minerva 6003:Romulus 5983:Eugenia 5976:Peneius 5938:2001 SN 5931:1994 CC 5902:Didymos 5802:Neptune 5787:Jupiter 5756:of the 5679:Fiction 5672:Related 5628:Trident 5604:Shensuo 5547:2011 HM 5535:2008 LC 5523:2007 VL 5511:2006 RJ 5499:2005 TN 5487:2004 KV 5475:2001 QR 5456:Trojans 5434:General 5333:Proteus 5323:Larissa 5318:Galatea 5313:Despina 5236:Neptune 5077:geology 5072:climate 5035:Proteus 5025:Larissa 5020:Galatea 5015:Despina 4998:(inner) 4996:Regular 4988:Neptune 4834:Bibcode 4797:Bibcode 4748:Bibcode 4701:Bibcode 4648:4420518 4620:Bibcode 4583:Bibcode 4461:Bibcode 4396:Bibcode 4333:Bibcode 4325:Science 4301:Bibcode 4247:Bibcode 4190:Bibcode 4182:Science 4141:Bibcode 4094:Bibcode 4056:Bibcode 4010:Bibcode 3970:Bibcode 3907:18 July 3848:Bibcode 3732:6424524 3711:Bibcode 3493:12 June 3377:Bibcode 3311:4412380 3283:Bibcode 3200:Bibcode 3192:Science 3124:Bibcode 3116:Science 3087:Bibcode 3046:Bibcode 3044:: 157. 1989:Lassell 1976:156.865 1971:−5.8769 1765:Proteus 1546:Larissa 1437:Galatea 1331:Despina 957:  943:into a 817:Spitzer 781:geysers 728:methane 708:degrees 664:in situ 587:spectra 572:concave 548:Galatea 525:Larissa 505:Proteus 497:Larissa 493:Galatea 489:Despina 449:regular 401:Neptune 329:and on 267:panning 224:Proteus 220:Galatea 216:Despina 182:Larissa 152:History 83:Proteus 51:Neptune 27:Neptune 8189:  8182:  8175:  8150:  8143:  8136:  8129:  8122:  8115:  8108:  8037:Syzygy 7959:Comets 7892:System 7877:Planet 7770:EXCEDE 7678:Uranus 7673:Saturn 7663:Comets 7656:mining 7634:mining 7524:Vulcan 7365:active 7360:Hygiea 7355:Pallas 7318:Uranus 7264:Uranus 7259:Saturn 7194:Comets 7186:bodies 7184:System 7130:Jovian 7074:Weywot 7069:Quaoar 7062:Namaka 7052:Haumea 7025:Charon 7001:all 16 6996:Nereid 6986:Triton 6974:all 28 6954:Oberon 6944:Uranus 6932:Phoebe 6912:Tethys 6887:Saturn 6880:all 95 6875:Europa 6848:Deimos 6843:Phobos 6822:Earth 6783:Quaoar 6778:Haumea 6758:Dwarfs 6744:Uranus 6732:Saturn 6717:Giants 6682:dwarfs 6629:Quaoar 6622:Haumea 6597:Uranus 6592:Saturn 6445:Naming 6404:Phoebe 6394:Actaea 6384:Nereid 6379:Ilmarë 6344:Tethys 6324:Charon 6314:Oberon 6299:Triton 6294:Europa 6250:Ranked 6214:Ilmarë 6200:Actaea 6125:Hektor 6076:Roxane 6068:Dactyl 5997:Sylvia 5971:Daphne 5916:Moshup 5859:Quaoar 5854:Haumea 5797:Uranus 5792:Saturn 5712:Portal 5615:ODINUS 5345:Nereid 5339:Triton 5194:Portal 5095:Nereid 5061:Triton 5053:Triton 4899:  4789:Icarus 4772:. 241. 4768:  4719:  4646:  4638:  4612:Nature 4489:  4481:  4414:  4377:Icarus 4359:  4351:  4238:Icarus 4216:  4208:  4133:Icarus 4086:Icarus 4048:Icarus 4028:  3943:  3866:  3783:  3739:  3729:  3703:Nature 3636:  3626:  3581:  3397:154011 3395:  3309:  3301:  3275:Nature 3226:  3218:  3150:  3142:  2884:Charon 2863:albedo 2616:et al. 2215:et al. 2213:Holman 2096:Kuiper 2078:360.14 2003:Nereid 1979:0.0000 1872:Triton 1860:inner 1848:0.0005 1840:1.1223 1754:inner 1751:et al. 1739:0.0005 1731:0.9500 1638:inner 1626:0.0012 1618:0.5555 1535:inner 1523:0.0001 1515:0.4287 1426:inner 1414:0.0004 1406:0.3346 1320:inner 1308:0.0018 1300:0.3115 1217:inner 1205:0.0047 1197:0.2944 1102:Group 1018:Image 1000:Label 965:Triton 897:binary 834:Phoebe 796:Nereid 769:scarps 765:graben 680:Triton 653:, and 627:Nereid 623:Triton 611:Triton 503:, and 427:. 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Index

Shown in this image are Neptune and some of its moons: Triton, Galatea, Naiad, Thalassa, Despina, Proteus, and Larissa
Neptune
James Webb Space Telescope
diffraction star
Triton
Hippocamp
Neptune
moons
water deities
water creature
Greek mythology
Triton
William Lassell
Nereid
Proteus
planetary mass
retrograde
inclined
Solar System
Saturn
Phoebe
hydrostatic equilibrium
regular satellites
prograde orbits
Neptune's rings
irregular satellites
S/2021 N 1
Earth years
Solar System
Triton

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