(23121) Michaelding Main-belt Asteroid
Discovered on 4 January 2000 by LINEAR at Socorro.
Michael Ding (b. 1990) was awarded second place in the 2007 Intel International Science and Engineering Fair for his chemistry project. He attends the Glen Cove High School, Glen Cove, New York, U.S.A.Naming citation (20070828/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Michaelding is today
Seen from above the solar system on 2026-10-14: Michaelding is 2.68 au from the Sun and 1.69 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23121 |
| Provisional designation | 2000 AP51 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.42 km (#14,171 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.239 |
| Absolute magnitude (H) | 14.35 |
| Orbital period | 4.53 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.58 – 2.89 au |
| Eccentricity | 0.0562 |
| Inclination | 6.38° |
| Closest distance between its orbit and Earth's (MOID) | 1.61 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Michael
- (3192) A'Hearn
- (4477) Kelley
- (4599) Rowan
- (5373) Michaelkurtz
- (5554) Keesey
- (5569) Colby
- (6406) Mikejura
- (6569) Ondaatje
- (7738) Heyman
- (7936) Mikemagee
- (8032) Michaeladams
- (8129) Michaelbusch
All asteroids named after someone called Michael
Also discovered on 4 January 2000
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- (16180) Rapoport
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- (22057) Brianking