10199 Chariklo
The largest known centaur, and the second minor body found to have rings.
Where it is right now
10199 Chariklo is in Aquarius, 16.7 AU away, magnitude 19.1.
Computed for 2 August 2026, 17:00 UTC, and recomputed at least hourly. This page is cached, so treat the line above as accurate to the hour rather than to the second. The map shows the live position.
Position from a Kepler propagation of the published elements below, accurate to about an arcminute.
Facts
Every line carries the source it came from.
- Diameter
- 302 kmSource: NASA/JPL Small-Body Database
- Orbital period
- 62.4 yearsSource: NASA/JPL Small-Body Database
- Distance from the Sun
- 15.734 AU on averageSource: NASA/JPL Small-Body Database
- Orbit shape
- eccentricity 0.171, inclined 23.4 degrees to the eclipticSource: NASA/JPL Small-Body Database
- Class
- CentaurSource: NASA/JPL Small-Body Database
- Discovered
- 1997-Feb-15 by SpacewatchSource: NASA/JPL Small-Body Database
Physical size
- Mean radius
- 151 km
- Diameter
- 302 km across
- Absolute magnitude H
- 6.55
Orbit
Elements are heliocentric, referred to the J2000.0 ecliptic.
- Average distance from the Sun
- 15.734 AU (2,353.8 million km)
- Closest and furthest
- 13.047 AU (1,951.7 million km) to 18.422 AU (2,755.9 million km)
- Eccentricity
- 0.1708, noticeably elliptical
- Inclination to the ecliptic
- 23.43 degrees
- Orbital period
- 62.4 years (22,797 days)
- Longitude of ascending node
- 300.48 degrees
- Argument of periapsis
- 241.21 degrees
- Mean anomaly at J2000.0
- 337.61 degrees
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Catalog id chariklo. 3,172 objects on the map, of which 171 are hand-authored with sourced facts.