(21359) Geng Main-belt Asteroid
Discovered on 6 April 1997 by LINEAR at Socorro.
Sherri Yifan Geng (b. 1987) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for her medicine and health project. She attends the Montgomery Blair High School, Silver Spring, Maryland.Naming citation (20050224/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Geng is today
Seen from above the solar system on 2026-10-14: Geng is 2.87 au from the Sun and 3.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21359 |
| Provisional designation | 1997 GN22 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.93 km (#12,921 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.218 |
| Absolute magnitude (H) | 14.56 |
| Orbital period | 5.04 years |
| Semi-major axis | 2.94 au |
| Perihelion – aphelion | 2.87 – 3.01 au |
| Eccentricity | 0.0246 |
| Inclination | 0.747° |
| Closest distance between its orbit and Earth's (MOID) | 1.87 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sherri
All asteroids named after someone called Sherri
Also discovered on 6 April 1997
- (12840) Paolaferrari
- (13206) Baer
- (18565) Selg
- (20214) Lorikenny
- (20219) Brianstone
- (22485) Unterman
- (22487) Megphillips
- (22492) Mosig
- (23672) Swiggum
- (23673) Neilmehta
- (23674) Juliebaker
- (23675) Zabinski