1769:
284:(expanding tenuous dust atmosphere) estimated to be about 80,000 km in diameter. As of 21 May 2011 the coma had exceeded 100,000 km, and as of August 2011 it had exceeded 200,000 km. Estimates of the comet's visual brightness varied from 13.1 to 13.8 magnitude between May 22 and June 4, were approaching 10 by late July 2011, and were around 8.3 as of mid August 2011. Even at a magnitude of 8.3, the comet was about 5 times fainter than the naked eye can see under a completely dark sky. On 19 August 2011 comet Elenin was hit by a
4344:
1763:
45:
292:. As of mid September 2011 the comet had become dimmer than magnitude 10.5, and appeared around magnitude 12 as seen by STEREO-A. As of October 2011 the comet is projected to be about magnitude 14 and fading. By mid-October 2011 there had been no confirmed ground based sighting of Comet Elenin even using the 2.0-metre (79 in)
433:
320:
failed to detect the forward scattering of light in late
September. Because the orbit of Elenin is nearly coincident with the ecliptic plane with an inclination of only 1.84°, the comet entered forward-scattering geometry from STEREO-B, SOHO, and Earth. Had the comet not disintegrated, it would have
1328:
Kaib, Nathan A.; Becker, Andrew C.; Jones, R. Lynne; Puckett, Andrew W.; Bizyaev, Dmitry; Dilday, Benjamin; Frieman, Joshua A.; Oravetz, Daniel J.; Pan, Kaike; Quinn, Thomas; Schneider, Donald P.; Watters, Shannon (2009). "2006 SQ372: A Likely Long-Period Comet from the Inner Oort Cloud".
561:
371:
at 178° from the Sun on March 14, 2011 and came to opposition again on
November 22, 2011 at 175° from the Sun. The minimum angle between the Sun and comet occurred on September 26 (1.9°), and between July 28 and October 10 the comet was less than 45 degrees from the Sun.
392:
by the gravity of the planets. Near perihelion, using an August 2011 epoch, Kazuo
Kinoshita shows C/2010 X1 to have a heliocentric orbital period of 600,000 years, though more perturbations will occur. For objects at such high eccentricity, the Sun's
267:
was 3–4 km in diameter, but more recent estimates place the pre-breakup size of the comet at 2 km. Comet Elenin started disintegrating in August 2011, and as of mid-October 2011 was not visible even using large ground-based telescopes.
420:
Before entering the planetary region (epoch 1800), Elenin had a calculated barycentric orbital period of tens of millions of years with an apoapsis (aphelion) distance of about 97,000 AU (1.53 ly). Elenin was probably in the outer
300:
of around 20.5. The dust cloud remnants of Comet Elenin started to become visible to ground-based telescopes around 21 October 2011. The post-disintegration appearance of C/2010 X1 has been visually compared to the debris field of
794:
670:
3135:
340:). The remnant of Elenin made its closest approach to Earth on 16 October 2011, at a distance of 0.2338 AU (34,980,000 km; 21,730,000 mi) or slightly closer than the planet
4273:
3465:
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of light as the spacecraft, comet, and Sun aligned. As of 14 August 2011, Comet Elenin was visible in STEREO-B without rolling the craft. Because it disintegrated,
4295:
3423:
798:
1483:
1302:
1028:
363:. But because Elenin disintegrated, it did not become visible to the naked eye or binoculars. Elenin made its closest apparent pass in the night sky to Comet
1455:
922:
1391:
1224:
4231:
3568:
1910:
1179:"Forward-Scattering Enhancement of Comet Brightness III. Prospects for C/2010 (Elenin) as viewed from the Earth, SOHO, STEREO-A, and STEREO-B"
901:
1669:
1465:
820:
586:
4029:
2406:
364:
2089:
976:
1032:
4251:
1611:
244:
1449:
1842:
778:
1487:
1306:
2386:
1429:
4383:
621:
566:
410:
255:. The discovery was made using the automated asteroids discovery program CoLiTec. At the time of discovery, the comet had an
1433:
4002:
2974:
2466:
1953:
1403:
682:
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of 271 days, the barycentric orbital elements for epoch 2200 generate a hyperbolic orbit with an eccentricity of 1.0004.
406:
394:
1476:
1386:
1276:
1148:
317:
1900:
1617:
4290:
3482:
2561:
1984:
766:
1126:
1058:
1700:
1006:
781:
64:
1113:
707:
240:
4278:
3940:
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2236:
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3821:
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are more stable than heliocentric coordinates. The orbit of a long-period comet is properly obtained when the
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529:
426:
74:
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735:
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795:"Comet Elenin continues to increase in size, and another close approach with a large Main belt asteroid"
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3039:
2999:
2994:
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1948:
1815:
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719:
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17:
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615:
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1999:
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on the morning of
October 8, and moved apparently close to Mars on October 15. The comet came to
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603:"CoLiTec - Collection Light Technology, software for automated asteroids and comets discoveries"
321:
allowed the dust scattering function to be studied simultaneously from two different locations.
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115:
1426:– Seiichi Yoshida @ aerith.net (with pictures taken by different astronomers around the world)
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2014:
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in
September and October 2011, but the brightness depends on the activity level of the
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For beliefs regarding a supposed collision between Earth and Comet Elenin, see
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2019:
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264:
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of 19.5, which made it about 150,000 times fainter than can be seen with the
236:
69:
276:
In April 2011, the comet was around magnitude 15 (roughly the brightness of
4034:
3593:
3323:
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3096:
3019:
3014:
3009:
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2361:
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2306:
2191:
1849:
902:"Interaction between comet Elenin and coronal mass ejection from the Sun"
405:
after leaving the planetary region and is calculated with respect to the
1438:(between May 22 and June 4 magnitude estimates varied from 13.1 to 13.8)
865:. International Visual Observations of Comets (I.V.O.C.). Archived from
355:
projected that the originally bright comet Elenin would reach about 6th
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137:
120:
107:
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The passage of comet C/2010 X1 (Elenin) through the Main
Asteroid Belt
821:"Perhaps the closest approach of comet Elenin to a main-belt asteroid"
562:"Barycentric Osculating Orbital Elements for Comet C/2010 X1 (Elenin)"
4177:
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1742:
1231:. Comet Ephemeris Service @ IAU Minor Planet Center. Archived from
436:
Plot showing how Comet Elenin comes into the planetary region on a
308:
Between August 1 and August 12 of 2011, NASA repeatedly rolled the
1345:
2201:
979:. Light curves for comets (made in Comet for Win). Archived from
1257:. Remanzacco Observatory in Italy – Comets & Neo. 2011-03-31
425:
with a loosely bound chaotic orbit that was easily perturbed by
348:
of 86,000 km/h. Before the August fading of the comet, the
3263:
C/1680 V1 (Great Comet of 1680, Kirsch's Comet, Newton's Comet)
1662:
309:
263:. The discoverer, Leonid Elenin, originally estimated that the
50:
1204:"Debris of 'Doomsday' Comet Elenin to Pass By Earth on Sunday"
602:
1709:
1605:
582:(Sun+Jupiter). Select Ephemeris Type:Elements and Center:@0)
441:
341:
277:
229:
145:
127:
1484:"Influence of giant planets on the orbit of comet C/2010 X1"
1303:"Influence of giant planets on the orbit of comet C/2010 X1"
767:"C/2010 X1 (Elenin) post solar conjunction recovery attempt"
3279:
C/1743 X1 (Great Comet of 1744, Comet
Klinkenberg-Chéseaux)
1627:
by STEREO-B on 2011-08-01 (constellation Orion on the left)
842:"Diameter of coma of comet Elenin exceeded 200,000 km"
472:. IAU Central Bureau for Astronomical Telegrams. 2010-12-17
337:
1678:
1649:
Comet Elenin "Self-Destructs" – Doomsday
Postponed Again!
1642:
CBET 2801 : 20110831 : COMET C/2010 X1 (ELENIN)
863:"International Visual Observations of Comets (I.V.O.C.)"
1149:"The test roll was successful, let's wait for August 1"
665:{\displaystyle ({\sqrt{100}})^{19.5-6.5}\approx 158489}
288:(CME). The comet started disintegrating, as did comet
1590:
MPEC 2011-B41 : OBSERVATIONS AND ORBITS OF COMETS
1576:
MPEC 2011-A67 : OBSERVATIONS AND ORBITS OF COMETS
1562:
MPEC 2011-A38 : OBSERVATIONS AND ORBITS OF COMETS
1548:
MPEC 2011-A08 : OBSERVATIONS AND ORBITS OF COMETS
1534:
MPEC 2010-Y24 : OBSERVATIONS AND ORBITS OF COMETS
1517:
MPEC 2010-Y12 : OBSERVATIONS AND ORBITS OF COMETS
1503:
MPEC 2011-C16 : OBSERVATIONS AND ORBITS OF COMETS
708:"NASA Says Comet Elenin Gone and Should Be Forgotten"
624:
1061:. Remanzacco Observatory in Italy – Comets & Neo
1009:. Remanzacco Observatory in Italy – Comets & Neo
769:. Remanzacco Observatory in Italy – Comets & Neo
328:) on 10 September 2011 at a distance of 0.4824
1618:
Conjunction of comet C/2101 X1 with bright galaxies
664:
974:
950:
860:
4360:
1176:
1007:"Another recovery attempt on C/2010 X1 (Elenin)"
923:"Comet Elenin tired of doomsday finger pointing"
324:C/2010 X1 made its closest approach to the Sun (
1450:Latest image by Gustavo Muler on 02 August 2011
1274:
1225:"Elements and Ephemeris for C/2010 X1 (Elenin)"
1078:
488:
486:
388:is not a fixed value, because it is frequently
1430:C/2010 X1 (Elenin) Analysis Light Visual Curve
756:
754:
752:
733:
1694:
1392:Elements and Ephemeris for C/2010 X1 (Elenin)
1217:
1172:
1170:
1168:
1166:
1164:
1124:
1059:""Debris cloud" of comet C/2010 X1 (Elenin)"
556:
554:
552:
550:
548:
546:
483:
375:
1647:Sheaffer, Robert (January–February 2012). "
1414:Finder chart for Comet Elenin for June 2011
1046:
1026:
994:
749:
729:
727:
700:
524:
522:
520:
518:
516:
514:
512:
510:
2149:
1701:
1687:
1631:Comet Elenin Soars Along (August 26, 2011)
1294:
1247:
1229:minorplanetcenter.net/iau/MPEph/MPEph.html
1161:
1081:"STEREO Coordinated Observations Calendar"
968:
914:
786:
494:"MPEC 2010-X101: COMET C/2010 X1 (ELENIN)"
1344:
1268:
1201:
1140:
1094:
543:
530:"Small-Body Database: C/2010 X1 (Elenin)"
3364:C/1887 B1 (Great Southern Comet of 1887)
3339:C/1865 B1 (Great Southern Comet of 1865)
3274:C/1729 P1 (Comet of 1729, Comet Sarabat)
1646:
1321:
1118:
1020:
920:
833:
812:
724:
584:(saved Horizons output file 2011-Aug-08)
507:
431:
245:International Scientific Optical Network
3374:C/1910 A1 (Great January Comet of 1910)
1279:. Comet Orbit Home Page. Archived from
1127:"Comet Elenin in STEREO H1B (August14)"
1029:"A Dust Cloud once called Comet Elenin"
944:
462:
14:
4361:
1481:
1300:
1146:
899:
839:
818:
792:
736:"Comet Elenin Could Be Disintegrating"
3314:C/1843 D1 (Great March Comet of 1843)
2148:
1682:
1195:
1072:
567:JPL Horizons On-Line Ephemeris System
496:. IAU Minor Planet Center. 2010-12-12
1954:List of comets visited by spacecraft
854:
3399:C/1941 B2 (de Kock-Paraskevopoulos)
893:
674:
578:(Solution using the Solar System's
24:
1456:Bright Prospects for Comet Elenin?
734:Nancy Atkinson (August 29, 2011).
683:"Comet Elenin FAQ | SpaceObs"
680:
407:center of mass of the Solar System
53:-B spacecraft on August 1st, 2011.
25:
4395:
3539:C/1992 J1 (Spacewatch–Rabinowitz)
3319:C/1847 T1 (Miss Mitchell's Comet)
1462:(Kelly Beatty, December 24, 2010)
1372:
1057:; Nick Howes (October 24, 2011).
1005:; Nick Howes (October 21, 2011).
951:Michael Mattiazzo (14 Sep 2011).
765:; Nick Howes (October 11, 2011).
470:"IAUC 9189: C/2010 X1; P/2010 V1"
4343:
4342:
3389:C/1927 X1 (Skjellerup–Maristany)
1767:
1761:
1466:So-So Prospects for Comet Elenin
1125:Ian Musgrave (August 17, 2011).
1027:Aussie Pete (October 24, 2011).
975:Artyom Novichonok (2011-09-23).
861:J.P. Navarro Pina (6 Jun 2011).
43:
3483:C/1970 K1 (White–Ortiz–Bolelli)
3369:C/1901 G1 (Great Comet of 1901)
3359:C/1882 R1 (Great Comet of 1882)
3334:C/1861 J1 (Great Comet of 1861)
3309:C/1823 Y1 (Great Comet of 1823)
3304:C/1819 N1 (Great Comet of 1819)
3299:C/1811 F1 (Great Comet of 1811)
3294:C/1807 R1 (Great Comet of 1807)
3289:C/1769 P1 (Great Comet of 1769)
3284:C/1760 A1 (Great Comet of 1760)
3253:C/1577 V1 (Great Comet of 1577)
3248:C/1471 Y1 (Great Comet of 1472)
3243:C/1402 D1 (Great Comet of 1402)
3238:C/1264 N1 (Great Comet of 1264)
3233:X/1106 C1 (Great Comet of 1106)
1896:Observational history of comets
1482:Elenin, Leonid (7 March 2011).
1301:Elenin, Leonid (7 March 2011).
1184:. International Comet Quarterly
1177:Joseph N. Marcus (2011-07-28).
1114:(Aug 6th to Aug 12th animation)
880:
3518:C/1989 Y1 (Skorichenko–George)
3508:C/1989 W1 (Aarseth-Brewington)
2915:P/2013 R3 (Catalina-PANSTARRS)
1606:Catalogue of Comet Discoveries
1472:(Kelly Beatty, April 12, 2011)
1446:(magnitude and coma estimates)
1275:Kazuo Kinoshita (2011-02-26).
1083:. STEREO Science Center @ NASA
1079:Joseph B Gurman (2011-07-19).
641:
625:
609:
595:
239:on December 10, 2010, through
13:
1:
3503:C/1983 H1 (IRAS–Araki–Alcock)
1985:C/2023 A3 (Tsuchinshan–ATLAS)
1519:(2010 Dec. 18: Elenin had an
1202:Mike Wall (14 October 2011).
1147:Elenin, Leonid (2011-07-28).
900:Elenin, Leonid (2011-08-24).
840:Elenin, Leonid (2011-08-04).
819:Elenin, Leonid (2011-05-25).
793:Elenin, Leonid (2011-04-10).
456:
271:
4384:Discoveries by Leonid Elenin
3544:C/1993 Y1 (McNaught–Russell)
3466:C/1969 T1 (Tago-Sato-Kosaka)
3066:D/1993 F2 (Shoemaker–Levy 9)
2975:57P/du Toit–Neujmin–Delporte
2467:57P/du Toit–Neujmin–Delporte
921:Bob King (August 28, 2011).
710:. NASA/JPL. October 25, 2011
247:'s robotic observatory near
49:Comet Elenin as seen by the
7:
3035:226P/Pigott–LINEAR–Kowalski
2407:45P/Honda–Mrkos–Pajdušáková
2387:41P/Tuttle–Giacobini–Kresák
1918:Extraterrestrial atmosphere
1670:Comet Elenin Self-Destructs
1363:10.1088/0004-637X/695/1/268
977:"Light Curve for C/2010 X1"
365:45P/Honda–Mrkos–Pajdušáková
189:millions of years (inbound)
10:
4400:
3424:C/1961 O1 (Wilson-Hubbard)
3404:C/1947 X1 (Southern Comet)
3344:X/1872 X1 (Pogson's Comet)
3329:C/1861 G1 (Comet Thatcher)
1949:List of missions to comets
1708:
1614:– (SpaceObs March 1, 2011)
1452:(comet 1.489AU from Earth)
1255:"Comet C/2010 X1 (Elenin)"
953:"Southern Comets Homepage"
312:-B spacecraft to view the
29:
4338:
3812:
3709:C/2013 A1 (Siding Spring)
3654:C/2007 Q3 (Siding Spring)
3526:
3354:C/1881 K1 (Comet Tebbutt)
3269:C/1702 H1 (Comet of 1702)
3228:C/-43 K1 (Caesar's Comet)
3220:
3207:
3194:67P/Churyumov–Gerasimenko
3134:
3074:
3053:
2937:
2928:
2818:
2615:
2562:76P/West–Kohoutek–Ikemura
2517:67P/Churyumov–Gerasimenko
2177:
2166:
2162:
2144:
2112:
2094:(Bernardinelli–Bernstein)
1962:
1941:
1883:
1776:
1759:
1720:
1716:
1332:The Astrophysical Journal
452:that is bound to the Sun.
413:with an observed orbital
376:Original and future orbit
305:as seen on 23 June 1993.
211:
203:
193:
183:
171:
154:
144:
126:
114:
98:
91:
81:
63:
58:
42:
3414:C/1956 R1 (Arend–Roland)
3349:C/1874 H1 (Comet Coggia)
3324:C/1858 L1 (Comet Donati)
2547:73P/Schwassmann–Wachmann
2337:31P/Schwassmann–Wachmann
2327:29P/Schwassmann–Wachmann
2000:C/2021 J1 (Maury-Attard)
1636:Southern Comets Homepage
1620:(SpaceObs March 9, 2011)
1102:"Observing Comet Elenin"
779:(Oct 17 failed recovery)
3889:de Kock–Paraskevopoulos
3744:C/2015 ER61 (PanSTARRS)
2945:11P/Tempel–Swift–LINEAR
2237:11P/Tempel–Swift–LINEAR
2085:C/2015 ER61 (PanSTARRS)
1928:Small Solar System body
395:barycentric coordinates
294:Faulkes Telescope North
177:1.000067 (heliocentric)
93:Orbital characteristics
3724:C/2013 V5 (Oukaimeden)
3719:C/2013 US10 (Catalina)
3564:C/1998 H1 (Stonehouse)
3461:C/1965 S1 (Ikeya-Seki)
3441:C/1962 C1 (Seki-Lines)
3040:271P/van Houten–Lemmon
3000:107P/Wilson–Harrington
2995:97P/Metcalf–Brewington
2965:54P/de Vico–Swift–NEAT
2841:4015 Wilson–Harrington
2685:147P/Kushida–Muramatsu
2650:107P/Wilson–Harrington
2640:97P/Metcalf–Brewington
2452:54P/de Vico–Swift–NEAT
1475:C/2010 X1 (Elenin) at
1442:C/2010 X1 (Elenin) at
1031:. GRAS. Archived from
666:
453:
232:discovered by Russian
4242:Spacewatch–Rabinowitz
3804:C/2023 P1 (Nishimura)
3754:C/2017 K2 (PanSTARRS)
3734:C/2014 Q1 (PanSTARRS)
3699:C/2012 K1 (PANSTARRS)
3679:C/2011 L4 (PANSTARRS)
3624:C/2006 A1 (Pojmański)
3614:C/2004 F4 (Bradfield)
3594:C/2001 OG108 (LONEOS)
3559:C/1997 L1 (Zhu–Balam)
3554:C/1996 B2 (Hyakutake)
3549:C/1995 O1 (Hale–Bopp)
3384:C/1911 S3 (Beljawsky)
3030:206P/Barnard–Boattini
2552:74P/Smirnova–Chernykh
2462:56P/Slaughter–Burnham
2357:35P/Herschel–Rigollet
2104:C/2014 Q1 (PanSTARRS)
2065:C/2017 K2 (PanSTARRS)
1995:C/2021 O3 (PanSTARRS)
1970:C/2023 P1 (Nishimura)
1568: = 1.0018,
1513: = 0.4812)
1509: = 1.0005,
667:
435:
286:coronal mass ejection
251:in the U.S. state of
215:unknown/disintegrated
4222:Skjellerup–Maristany
3759:1I/2017 U1 ʻOumuamua
3669:C/2009 R1 (McNaught)
3659:C/2007 W1 (Boattini)
3634:C/2006 P1 (McNaught)
3619:C/2004 Q2 (Machholz)
3574:C/1999 F1 (Catalina)
3488:C/1973 E1 (Kohoutek)
3158:26P/Grigg–Skjellerup
3146:21P/Giacobini–Zinner
2985:72P/Denning–Fujikawa
2542:72P/Denning–Fujikawa
2442:52P/Harrington–Abell
2417:47P/Ashbrook–Jackson
2312:26P/Grigg–Skjellerup
2287:21P/Giacobini–Zinner
1600: = 0.4826)
1586: = 0.4824)
1572: = 0.4761)
1558: = 0.4849)
1544: = 0.4420)
1530: = 0.4479)
1436:( I.V.O.C.) :
1277:"C/2010 X1 (Elenin)"
622:
384:of this object, its
382:orbital eccentricity
4369:Non-periodic comets
4291:White–Ortiz–Bolelli
3794:C/2021 A1 (Leonard)
3784:C/2020 F3 (NEOWISE)
3764:C/2018 Y1 (Iwamoto)
3749:C/2015 V2 (Johnson)
3739:C/2014 Q2 (Lovejoy)
3729:C/2014 E2 (Jacques)
3714:C/2013 R1 (Lovejoy)
3684:C/2011 W3 (Lovejoy)
3664:C/2009 F6 (Yi–SWAN)
3639:C/2007 E2 (Lovejoy)
3584:C/2000 WM1 (LINEAR)
3478:C/1969 Y1 (Bennett)
3451:C/1963 R1 (Pereyra)
3436:C/1961 R1 (Humason)
3409:C/1948 V1 (Eclipse)
2920:(300163) 2006 VW139
2790:332P/Ikeya–Murakami
2695:156P/Russell–LINEAR
2577:79P/du Toit–Hartley
2487:61P/Shajn–Schaldach
2472:58P/Jackson–Neujmin
2397:43P/Wolf–Harrington
2297:23P/Brorsen–Metcalf
2099:C/2014 Q2 (Lovejoy)
2075:C/2015 V2 (Johnson)
2070:C/2016 U1 (NEOWISE)
2050:C/2018 Y1 (Iwamoto)
2020:C/2020 F3 (NEOWISE)
2005:C/2021 A1 (Leonard)
1638:– Michael Mattiazzo
1444:Astrosite Groningen
1396:Minor Planet Center
1355:2009ApJ...695..268K
350:Minor Planet Center
82:Discovery date
39:
4227:Skorichenko–George
3822:Aarseth-Brewington
3774:C/2019 U6 (Lemmon)
3694:C/2012 F6 (Lemmon)
3674:C/2010 X1 (Elenin)
3644:C/2007 F1 (LONEOS)
3604:C/2002 T7 (LINEAR)
3589:C/2001 A2 (LINEAR)
3579:C/1999 S4 (LINEAR)
3513:C/1989 X1 (Austin)
3498:C/1980 E1 (Bowell)
3379:C/1911 O1 (Brooks)
3082:D/1770 L1 (Lexell)
2990:80P/Peters–Hartley
2705:162P/Siding Spring
2582:80P/Peters–Hartley
2447:53P/Van Biesbroeck
2372:38P/Stephan–Oterma
2080:C/2015 G2 (MASTER)
2055:C/2018 C2 (Lemmon)
2045:P/2019 LD2 (ATLAS)
2035:C/2019 U6 (Lemmon)
2015:C/2020 F5 (MASTER)
1975:C/2023 H2 (Lemmon)
1654:Skeptical Inquirer
1596: = 1.0,
1582: = 1.0,
1554: = 1.0,
1540: = 1.0,
1424:C/2010 X1 (Elenin)
1406:2011-06-17 at the
1387:Horizons Ephemeris
1379:Orbital simulation
662:
589:2015-06-08 at the
454:
401:is computed at an
336:; 44,840,000
314:forward scattering
298:limiting magnitude
257:apparent magnitude
234:amateur astronomer
223:C/2010 X1 (Elenin)
179:0.999990 (inbound)
73:0.45-m reflector (
65:Discovered by
38:C/2010 X1 (Elenin)
37:
4356:
4355:
4334:
4333:
4330:
4329:
4326:
4325:
3941:IRAS–Araki–Alcock
3779:C/2019 Y4 (ATLAS)
3649:C/2007 N3 (Lulin)
3456:C/1964 N1 (Ikeya)
3446:C/1963 A1 (Ikeya)
3419:C/1957 P1 (Mrkos)
3394:C/1931 P1 (Ryves)
3203:
3202:
3130:
3129:
3092:18D/Perrine–Mrkos
2970:55P/Tempel–Tuttle
2847:7968 Elst–Pizarro
2765:273P/Pons–Gambart
2710:168P/Hergenrother
2700:161P/Hartley–IRAS
2660:109P/Swift–Tuttle
2502:64P/Swift–Gehrels
2457:55P/Tempel–Tuttle
2272:18D/Perrine–Mrkos
2140:
2139:
2127:Comets in fiction
2030:C/2019 Y1 (ATLAS)
2025:C/2019 Y4 (ATLAS)
1980:C/2023 E1 (ATLAS)
1906:Comet discoverers
1674:Sky and Telescope
1623:GIF animation of
1470:Sky and Telescope
1460:Sky and Telescope
638:
346:relative velocity
332:(72,170,000
219:
218:
207:10 September 2011
86:December 10, 2010
16:(Redirected from
4391:
4379:Destroyed comets
4346:
4345:
4304:
4282:
4274:Tago-Sato-Kosaka
4101:McNaught–Russell
3789:C/2020 F8 (SWAN)
3704:C/2012 S1 (ISON)
3689:C/2012 E2 (SWAN)
3629:C/2006 M4 (SWAN)
3609:C/2002 V1 (NEAT)
3599:C/2001 Q4 (NEAT)
3569:C/1998 J1 (SOHO)
3534:C/1990 K1 (Levy)
3493:C/1975 V1 (West)
3474:
3432:
3218:
3217:
2935:
2934:
2690:153P/Ikeya–Zhang
2427:49P/Arend–Rigaux
2217:7P/Pons–Winnecke
2175:
2174:
2164:
2163:
2146:
2145:
2122:Antimatter comet
2010:C/2020 F8 (SWAN)
1891:Naming of comets
1771:
1765:
1718:
1717:
1703:
1696:
1689:
1680:
1679:
1666:
1499:
1497:
1495:
1490:on 19 March 2012
1486:. Archived from
1401:Comet Elenin FAQ
1367:
1366:
1348:
1325:
1319:
1318:
1316:
1314:
1309:on 19 March 2012
1305:. Archived from
1298:
1292:
1291:
1289:
1288:
1272:
1266:
1265:
1263:
1262:
1251:
1245:
1243:
1241:
1240:
1221:
1215:
1214:
1212:
1211:
1199:
1193:
1192:
1190:
1189:
1183:
1174:
1159:
1158:
1156:
1155:
1144:
1138:
1137:
1135:
1134:
1122:
1116:
1112:
1110:
1109:
1098:
1092:
1091:
1089:
1088:
1076:
1070:
1069:
1067:
1066:
1055:Giovanni Sostero
1050:
1044:
1043:
1041:
1040:
1024:
1018:
1017:
1015:
1014:
1003:Giovanni Sostero
998:
992:
991:
989:
988:
972:
966:
964:(STEREO-A image)
962:
960:
959:
948:
942:
941:
939:
938:
929:. Archived from
918:
912:
911:
909:
908:
897:
891:
890: = 5.2
884:
878:
877:
875:
874:
858:
852:
851:
849:
848:
837:
831:
830:
828:
827:
816:
810:
809:
807:
806:
797:. Archived from
790:
784:
782:(Oct 21 attempt)
777:
775:
774:
763:Giovanni Sostero
758:
747:
746:
744:
743:
738:. Universe Today
731:
722:
718:
716:
715:
704:
698:
697:
695:
694:
685:. Archived from
681:Elenin, Leonid.
678:
672:
671:
669:
668:
663:
655:
654:
639:
637:
629:
613:
607:
606:
599:
593:
577:
575:
574:
558:
541:
540:
538:
537:
526:
505:
504:
502:
501:
490:
481:
480:
478:
477:
466:
450:elliptical orbit
438:hyperbolic orbit
399:osculating orbit
303:Shoemaker-Levy 9
166:
165:
87:
47:
40:
36:
32:Nibiru cataclysm
27:Oort cloud comet
21:
4399:
4398:
4394:
4393:
4392:
4390:
4389:
4388:
4359:
4358:
4357:
4352:
4322:
4298:
4276:
3814:
3808:
3799:C/2022 E3 (ZTF)
3522:
3468:
3426:
3212:
3210:
3199:
3137:
3126:
3070:
3049:
2924:
2821:
2814:
2617:
2611:
2492:62P/Tsuchinshan
2482:60P/Tsuchinshan
2477:59P/Kearns–Kwee
2242:12P/Pons–Brooks
2179:
2169:
2158:
2151:Lists of comets
2136:
2114:
2108:
2093:
1990:C/2022 E3 (ZTF)
1958:
1937:
1879:
1772:
1766:
1757:
1712:
1707:
1592:(2011 Jan. 27:
1578:(2011 Jan. 15:
1564:(2011 Jan. 10:
1536:(2010 Dec. 24:
1493:
1491:
1477:Kazuo Kinoshita
1410:(Leonid Elenin)
1408:Wayback Machine
1385:JAVA applet) /
1375:
1370:
1326:
1322:
1312:
1310:
1299:
1295:
1286:
1284:
1273:
1269:
1260:
1258:
1253:
1252:
1248:
1238:
1236:
1223:
1222:
1218:
1209:
1207:
1200:
1196:
1187:
1185:
1181:
1175:
1162:
1153:
1151:
1145:
1141:
1132:
1130:
1123:
1119:
1107:
1105:
1104:. STEREO @ NASA
1100:
1099:
1095:
1086:
1084:
1077:
1073:
1064:
1062:
1053:Ernesto Guido;
1051:
1047:
1038:
1036:
1025:
1021:
1012:
1010:
1001:Ernesto Guido;
999:
995:
986:
984:
973:
969:
957:
955:
949:
945:
936:
934:
919:
915:
906:
904:
898:
894:
885:
881:
872:
870:
859:
855:
846:
844:
838:
834:
825:
823:
817:
813:
804:
802:
791:
787:
772:
770:
761:Ernesto Guido;
759:
750:
741:
739:
732:
725:
713:
711:
706:
705:
701:
692:
690:
679:
675:
644:
640:
633:
628:
623:
620:
619:
614:
610:
601:
600:
596:
591:Wayback Machine
572:
570:
560:
559:
544:
535:
533:
528:
527:
508:
499:
497:
492:
491:
484:
475:
473:
468:
467:
463:
459:
378:
274:
212:Next perihelion
204:Last perihelion
178:
163:
161:
156:Semi-major axis
105:
85:
72:
54:
35:
28:
23:
22:
15:
12:
11:
5:
4397:
4387:
4386:
4381:
4376:
4371:
4354:
4353:
4351:
4350:
4339:
4336:
4335:
4332:
4331:
4328:
4327:
4324:
4323:
4321:
4320:
4315:
4310:
4305:
4296:Wilson–Hubbard
4293:
4288:
4283:
4271:
4270:
4269:
4264:
4259:
4249:
4244:
4239:
4234:
4229:
4224:
4219:
4218:
4217:
4212:
4202:
4197:
4192:
4187:
4182:
4181:
4180:
4175:
4170:
4165:
4163:311P/PanSTARRS
4160:
4155:
4145:
4140:
4135:
4130:
4125:
4124:
4123:
4118:
4108:
4103:
4098:
4097:
4096:
4091:
4081:
4076:
4071:
4070:
4069:
4064:
4059:
4054:
4044:
4043:
4042:
4037:
4027:
4026:
4025:
4020:
4015:
4010:
4000:
3995:
3990:
3989:
3988:
3983:
3978:
3968:
3963:
3958:
3953:
3948:
3943:
3938:
3933:
3932:
3931:
3926:
3916:
3911:
3906:
3901:
3896:
3891:
3886:
3885:
3884:
3879:
3869:
3864:
3859:
3854:
3849:
3844:
3839:
3834:
3829:
3824:
3818:
3816:
3810:
3809:
3807:
3806:
3801:
3796:
3791:
3786:
3781:
3776:
3771:
3766:
3761:
3756:
3751:
3746:
3741:
3736:
3731:
3726:
3721:
3716:
3711:
3706:
3701:
3696:
3691:
3686:
3681:
3676:
3671:
3666:
3661:
3656:
3651:
3646:
3641:
3636:
3631:
3626:
3621:
3616:
3611:
3606:
3601:
3596:
3591:
3586:
3581:
3576:
3571:
3566:
3561:
3556:
3551:
3546:
3541:
3536:
3530:
3528:
3524:
3523:
3521:
3520:
3515:
3510:
3505:
3500:
3495:
3490:
3485:
3480:
3475:
3463:
3458:
3453:
3448:
3443:
3438:
3433:
3421:
3416:
3411:
3406:
3401:
3396:
3391:
3386:
3381:
3376:
3371:
3366:
3361:
3356:
3351:
3346:
3341:
3336:
3331:
3326:
3321:
3316:
3311:
3306:
3301:
3296:
3291:
3286:
3281:
3276:
3271:
3266:
3260:
3255:
3250:
3245:
3240:
3235:
3230:
3224:
3222:
3215:
3209:Near-Parabolic
3205:
3204:
3201:
3200:
3198:
3197:
3191:
3185:
3179:
3173:
3167:
3161:
3155:
3149:
3142:
3140:
3132:
3131:
3128:
3127:
3125:
3124:
3119:
3114:
3109:
3104:
3099:
3094:
3089:
3084:
3078:
3076:
3072:
3071:
3069:
3068:
3063:
3057:
3055:
3051:
3050:
3048:
3047:
3042:
3037:
3032:
3027:
3025:205P/Giacobini
3022:
3017:
3012:
3007:
3002:
2997:
2992:
2987:
2982:
2977:
2972:
2967:
2962:
2957:
2952:
2947:
2941:
2939:
2932:
2926:
2925:
2923:
2922:
2917:
2912:
2910:358P/PANSTARRS
2907:
2902:
2897:
2892:
2890:311P/PanSTARRS
2887:
2882:
2877:
2871:
2868:60558 Echeclus
2865:
2860:
2855:
2850:
2844:
2838:
2832:
2826:
2824:
2816:
2815:
2813:
2812:
2810:460P/PanSTARRS
2807:
2802:
2797:
2792:
2787:
2782:
2777:
2775:311P/PanSTARRS
2772:
2767:
2762:
2757:
2752:
2747:
2742:
2737:
2732:
2730:205P/Giacobini
2727:
2722:
2717:
2712:
2707:
2702:
2697:
2692:
2687:
2682:
2677:
2672:
2667:
2662:
2657:
2652:
2647:
2642:
2637:
2632:
2627:
2621:
2619:
2613:
2612:
2610:
2609:
2604:
2599:
2594:
2589:
2584:
2579:
2574:
2569:
2564:
2559:
2554:
2549:
2544:
2539:
2534:
2529:
2524:
2519:
2514:
2509:
2504:
2499:
2494:
2489:
2484:
2479:
2474:
2469:
2464:
2459:
2454:
2449:
2444:
2439:
2437:51P/Harrington
2434:
2429:
2424:
2419:
2414:
2409:
2404:
2399:
2394:
2389:
2384:
2379:
2374:
2369:
2364:
2359:
2354:
2349:
2344:
2342:32P/Comas SolĂ
2339:
2334:
2329:
2324:
2319:
2314:
2309:
2304:
2302:24P/Schaumasse
2299:
2294:
2289:
2284:
2279:
2274:
2269:
2264:
2259:
2254:
2249:
2244:
2239:
2234:
2229:
2224:
2219:
2214:
2209:
2204:
2199:
2194:
2189:
2183:
2181:
2172:
2160:
2159:
2142:
2141:
2138:
2137:
2135:
2134:
2132:Comet vintages
2129:
2124:
2118:
2116:
2110:
2109:
2107:
2106:
2101:
2096:
2091:
2087:
2082:
2077:
2072:
2067:
2062:
2057:
2052:
2047:
2042:
2037:
2032:
2027:
2022:
2017:
2012:
2007:
2002:
1997:
1992:
1987:
1982:
1977:
1972:
1966:
1964:
1960:
1959:
1957:
1956:
1951:
1945:
1943:
1939:
1938:
1936:
1935:
1930:
1925:
1920:
1915:
1914:
1913:
1903:
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1373:External links
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1339:(1): 268–275.
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1356:
1352:
1347:
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1333:
1324:
1308:
1304:
1297:
1283:on 2011-03-13
1282:
1278:
1271:
1256:
1250:
1235:on 2012-10-24
1234:
1230:
1226:
1220:
1205:
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1128:
1121:
1115:
1103:
1097:
1082:
1075:
1060:
1056:
1049:
1035:on 2013-01-24
1034:
1030:
1023:
1008:
1004:
997:
983:on 2011-10-15
982:
978:
971:
965:
954:
947:
933:on 2011-09-15
932:
928:
924:
917:
903:
896:
889:
883:
869:on 2012-04-29
868:
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822:
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801:on 2012-08-10
800:
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783:
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721:
720:(Backup link)
709:
703:
689:on 2011-06-17
688:
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489:
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461:
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428:
427:passing stars
424:
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291:
287:
283:
279:
269:
266:
265:comet nucleus
262:
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250:
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242:
238:
237:Leonid Elenin
235:
231:
228:
224:
214:
210:
206:
202:
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192:
188:
186:
182:
176:
174:
170:
159:
157:
153:
149:
147:
143:
139:
135:
132:~97,000
131:
129:
125:
122:
119:
117:
113:
109:
103:
101:
97:
94:
90:
84:
80:
76:
71:
70:Leonid Elenin
68:
66:
62:
57:
52:
46:
41:
33:
19:
4035:C/2001 OG108
3898:
3827:Arend–Roland
3673:
3188:103P/Hartley
3178:(2005, 2011)
3164:19P/Borrelly
3112:75D/Kohoutek
3097:20D/Westphal
3020:177P/Barnard
3015:157P/Tritton
3010:122P/de Vico
2885:259P/Garradd
2720:177P/Barnard
2680:144P/Kushida
2665:122P/de Vico
2655:108P/Ciffréo
2645:103P/Hartley
2635:96P/Machholz
2567:77P/Longmore
2557:75D/Kohoutek
2412:46P/Wirtanen
2402:44P/Reinmuth
2332:30P/Reinmuth
2282:20D/Westphal
2277:19P/Borrelly
1875:Interstellar
1828:Non-periodic
1658:
1652:
1648:
1608:– Maik Meyer
1597:
1593:
1583:
1579:
1569:
1565:
1555:
1551:
1541:
1537:
1527:
1524:eccentricity
1520:
1510:
1506:
1492:. Retrieved
1488:the original
1336:
1330:
1323:
1311:. Retrieved
1307:the original
1296:
1285:. Retrieved
1281:the original
1270:
1259:. Retrieved
1249:
1237:. Retrieved
1233:the original
1228:
1219:
1208:. Retrieved
1197:
1186:. Retrieved
1152:. Retrieved
1142:
1131:. Retrieved
1120:
1106:. Retrieved
1096:
1085:. Retrieved
1074:
1063:. Retrieved
1048:
1037:. Retrieved
1033:the original
1022:
1011:. Retrieved
996:
985:. Retrieved
981:the original
970:
956:. Retrieved
946:
935:. Retrieved
931:the original
926:
916:
905:. Retrieved
895:
882:
871:. Retrieved
867:the original
856:
845:. Retrieved
835:
824:. Retrieved
814:
803:. Retrieved
799:the original
788:
771:. Retrieved
740:. Retrieved
712:. Retrieved
702:
691:. Retrieved
687:the original
676:
611:
597:
571:. Retrieved
565:
534:. Retrieved
532:. 2021-04-15
498:. Retrieved
474:. Retrieved
464:
419:
411:JPL Horizons
379:
323:
307:
275:
222:
220:
173:Eccentricity
167:AU (inbound)
4299: [
4277: [
4173:C/2015 ER61
3882:C/2013 US10
3469: [
3427: [
3122:85D/Boethin
3117:83D/Russell
3102:25D/Neujmin
2905:354P/LINEAR
2863:167P/CINEOS
2853:165P/LINEAR
2835:2060 Chiron
2830:596 Scheila
2800:354P/LINEAR
2795:333P/LINEAR
2755:252P/LINEAR
2750:249P/LINEAR
2735:209P/LINEAR
2630:92P/Sanguin
2607:85D/Boethin
2597:83D/Russell
2592:82P/Gehrels
2572:78P/Gehrels
2522:68P/Klemola
2512:66P/du Toit
2422:48P/Johnson
2392:42P/Neujmin
2382:40P/Väisälä
2362:36P/Whipple
2322:28P/Neujmin
2307:25D/Neujmin
2212:6P/d'Arrest
2115:speculation
2113:Culture and
1942:Exploration
1850:Great Comet
1806:Halley-type
1801:Long period
1244:(C/2010 X1)
1206:. Space.com
1129:. Astroblog
195:Inclination
140:) (inbound)
4374:Oort cloud
4363:Categories
4247:Stonehouse
4200:Seki–Lines
4148:Pan-STARRS
4138:Oukaimeden
4013:C/2000 WM1
3936:Ikeya-Seki
3813:After 1910
3769:2I/Borisov
3527:After 1990
3221:Until 1990
3138:spacecraft
3136:Visited by
3087:5D/Brorsen
2980:69P/Taylor
2955:17P/Holmes
2950:15P/Finlay
2900:331P/Gibbs
2820:Comet-like
2625:88P/Howell
2616:After 1985
2602:84P/Giclas
2532:70P/Kojima
2527:69P/Taylor
2377:39P/Oterma
2367:37P/Forbes
2347:33P/Daniel
2267:17P/Holmes
2262:16P/Brooks
2257:15P/Finlay
2247:13P/Olbers
2232:10P/Tempel
2207:5D/Brorsen
2178:Until 1985
2040:2I/Borisov
1923:Oort cloud
1855:Sungrazing
1838:Hyperbolic
1816:Encke-type
1748:Comet dust
1381:from JPL (
1287:2011-03-08
1261:2011-04-03
1239:2011-03-20
1210:2011-10-14
1188:2011-08-24
1154:2011-07-28
1133:2011-08-17
1108:2011-08-02
1087:2011-07-28
1065:2011-10-26
1039:2011-10-23
1013:2011-10-23
987:2011-09-25
958:2011-09-17
937:2011-08-28
907:2011-08-30
873:2011-06-06
847:2011-08-04
826:2011-05-25
805:2011-04-13
773:2011-10-11
742:2011-08-30
714:2011-10-26
693:2011-04-13
580:barycenter
573:2023-09-03
536:2023-09-03
500:2011-03-15
476:2011-03-15
457:References
442:perihelion
440:and after
423:Oort cloud
380:Given the
369:opposition
326:perihelion
280:), with a
272:Brightness
253:New Mexico
227:Oort cloud
150:0.48242 AU
146:Perihelion
136:(1.5
121:Oort cloud
116:Orbit type
110:2455651.5)
4313:Zhu–Balam
4267:C/2020 F8
4262:C/2012 E2
4257:C/2006 M4
4215:C/2013 A1
4210:C/2007 Q3
4190:Pojmański
4178:C/2017 K2
4168:C/2014 Q1
4158:C/2012 K1
4153:C/2011 L4
4143:ʻOumuamua
4133:Nishimura
4121:C/2002 V1
4116:C/2001 Q4
4094:C/2009 R1
4089:C/2006 P1
4067:C/2014 Q2
4062:C/2013 R1
4057:C/2011 W3
4052:C/2007 E2
4040:C/2007 F1
4023:C/2002 T7
4018:C/2001 A2
4008:C/1999 S4
3986:C/2019 U6
3981:C/2018 C2
3976:C/2012 F6
3929:C/1964 N1
3924:C/1963 A1
3914:Hyakutake
3904:Hale-Bopp
3877:C/1999 F1
3862:Bradfield
3837:Beljawsky
3815:(by name)
3258:C/1652 Y1
3213:(notable)
3182:C/2006 P1
3176:9P/Tempel
3152:1P/Halley
3075:Not found
3054:Destroyed
2938:Recovered
2880:238P/Read
2858:166P/NEAT
2822:asteroids
2785:323P/SOHO
2780:322P/SOHO
2760:255P/Levy
2745:246P/NEAT
2740:238P/Read
2715:169P/NEAT
2670:126P/IRAS
2618:(notable)
2537:71P/Clark
2432:50P/Arend
2292:22P/Kopff
2227:9P/Tempel
2222:8P/Tuttle
2187:1P/Halley
2090:C/2014 UN
2060:C/2017 U7
1821:Main-belt
1346:0901.1690
927:Astro Bob
657:≈
649:−
446:perturbed
390:perturbed
357:magnitude
353:ephemeris
290:C/1999 S4
261:naked eye
59:Discovery
18:C/2010 X1
4348:Category
4237:Southern
4084:McNaught
4079:Machholz
3966:Kohoutek
3872:Catalina
3847:Boattini
3170:81P/Wild
3107:34D/Gale
3061:3D/Biela
2587:81P/Wild
2507:65P/Gunn
2497:63P/Wild
2352:34D/Gale
2252:14P/Wolf
2197:3D/Biela
2192:2P/Encke
2168:Periodic
1933:Asteroid
1870:Exocomet
1791:Numbered
1786:Periodic
1743:Antitail
1721:Features
1526:of 1.0,
1494:10 March
1404:Archived
1313:10 March
587:Archived
448:into an
409:. Using
128:Aphelion
4308:Yi–SWAN
4185:Pereyra
4128:NEOWISE
4047:Lovejoy
3993:Leonard
3961:Johnson
3956:Jacques
3951:Iwamoto
3909:Humason
3894:Eclipse
3852:Borisov
3842:Bennett
2202:4P/Faye
1901:Centaur
1884:Related
1865:Extinct
1728:Nucleus
1521:assumed
1351:Bibcode
344:, at a
296:with a
249:Mayhill
243:of the
199:1.8396°
4030:LONEOS
4003:LINEAR
3971:Lemmon
3899:Elenin
3867:Brooks
3857:Bowell
3832:Austin
3211:comets
3196:(2014)
3190:(2010)
3184:(2007)
3172:(2004)
3166:(2001)
3160:(1992)
3154:(1986)
3148:(1985)
2876:(176P)
2870:(174P)
2849:(133P)
2843:(107P)
2170:comets
1963:Latest
1911:LINEAR
1859:Kreutz
1710:Comets
1663:CSICOP
1625:Elenin
1418:48 LEO
1416:(near
1383:2-body
886:Math:
660:158489
310:STEREO
225:is an
221:Comet
51:STEREO
4303:]
4281:]
4195:Ryves
4106:Mrkos
4074:Lulin
3919:Ikeya
3473:]
3431:]
2837:(95P)
2180:(all)
1778:Types
1738:Tails
1665:: 23.
1661:(1).
1434:older
1341:arXiv
1182:(PDF)
888:2.512
403:epoch
342:Venus
278:Pluto
230:comet
100:Epoch
4286:West
4252:SWAN
4232:SOHO
4111:NEAT
3998:Levy
3946:ISON
2930:Lost
2805:362P
2155:more
1796:Lost
1733:Coma
1496:2011
1315:2011
646:19.5
616:Math
361:coma
318:SOHO
282:coma
4318:ZTF
2092:271
1651:".
1359:doi
1337:695
652:6.5
631:100
444:is
415:arc
164:000
75:H15
4365::
4301:de
4279:de
3471:de
3429:de
1672:,
1659:36
1657:.
1468:–
1458:–
1432:/
1394:–
1357:.
1349:.
1335:.
1227:.
1163:^
925:.
751:^
726:^
618::
564:.
545:^
509:^
485:^
429:.
338:mi
334:km
330:AU
162:48
138:ly
134:AU
108:JD
3265:)
2157:)
2153:(
1861:)
1857:(
1702:e
1695:t
1688:v
1598:q
1594:e
1584:q
1580:e
1570:q
1566:e
1556:q
1552:e
1542:q
1538:e
1528:q
1511:q
1507:e
1498:.
1420:)
1365:.
1361::
1353::
1343::
1317:.
1290:.
1264:.
1242:.
1213:.
1191:.
1157:.
1136:.
1111:.
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1042:.
1016:.
990:.
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940:.
910:.
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850:.
829:.
808:.
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635:5
626:(
605:.
576:.
539:.
503:.
479:.
160:~
106:(
77:)
34:.
20:)
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