(22171) Choi Main-belt Asteroid
Discovered on 26 November 2000 by LINEAR at Socorro.
Diane Jeehea Choi (b. 1988) is a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors, for her behavioral and social sciences project. She attends the Syosset High School, Syosset, New York.Naming citation (20060314/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Choi is today
Seen from above the solar system on 2026-10-14: Choi is 2.49 au from the Sun and 3.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22171 |
| Provisional designation | 2000 WK179 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.53 km (#7,083 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0370 |
| Rotation period | 72.5 hours |
| Absolute magnitude (H) | 14.69 |
| Orbital period | 4.13 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.34 – 2.81 au |
| Eccentricity | 0.0922 |
| Inclination | 8.45° |
| Closest distance between its orbit and Earth's (MOID) | 1.36 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Diane
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- (19741) Callahan
- (28331) Dianeberard
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All asteroids named after someone called Diane