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parameters and diagrams, physical diagrams, close approach details, radar astrometry, discovery circumstances, alternate designations and lists of publications related to the small body. The database is updated daily when new observations are available. In April 2021 the JPL Small-Body
Database
71:(Sun+object) recomputed twice a year. Comets generally have their two-body orbits computed at a time near the perihelion passage (closest approach to the Sun) as to have the two-body orbit more reasonably accurate for both before and after perihelion. For most asteroids, the
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used to define an orbit is updated twice a year. Orbital uncertainties in the JPL Small-Body
Database are listed at the
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orbits were computed in August 2021 and in the 12 months to August 2021, more than 3.3 million orbits were computed.
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applet. As of mid-2023, one could see something similar using JPL's Orbit Viewer tool, which was implemented using
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On 27 September 2021 the JPL Solar System
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uncertainty. The time of close approach uncertainty and min/max distance correspond to the
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In the past, one could view a 3D visualization of the body's orbit using a
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or planetary encounter circumstances. For accurate ephemerides use the
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option. The JPL Small-Body
Database close approach table lists a
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118:. Close approach data used to be available by adding
291:"Solar System Objects at JPL Solar System Dynamics"
16:Astronomy database about small Solar System bodies
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204:Jet Propulsion Laboratory Development Ephemeris
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199:JPL Horizons On-Line Ephemeris System
179:JPL Horizons On-Line Ephemeris System
169:The visualized orbits use unreliable
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258:"JPL Small-Body Database browser"
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319:Small-Body Database Lookup
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59:started using planetary
349:Astronomical catalogues
339:Observational astronomy
21:JPL Small-Body Database
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333:Categories
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220:References
156:JavaScript
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42:(JPL) and
101:ephemeris
61:ephemeris
48:asteroids
29:astronomy
295:Archived
270:Archived
193:See also
160:Three.js
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34:about
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