(22922) Sophiecai Main-belt Asteroid
Discovered on 2 October 1999 by LINEAR at Socorro.
Sophie Cai (b. 1990) is a finalist in the 2007 Intel Science Talent Search (STS), a science competition for high school seniors, for her behavioral and social sciences project. She attends the Ridgefield High School, Ridgefield, Connecticut.Naming citation (20070303/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sophiecai is today
Seen from above the solar system on 2026-10-14: Sophiecai is 2.66 au from the Sun and 3.60 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22922 |
| Provisional designation | 1999 TF97 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.77 km (#17,236 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.426 |
| Absolute magnitude (H) | 15.42 |
| Orbital period | 3.62 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 2.06 – 2.66 au |
| Eccentricity | 0.128 |
| Inclination | 7.67° |
| Closest distance between its orbit and Earth's (MOID) | 1.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sophie
All asteroids named after someone called Sophie
Also discovered on 2 October 1999
- (12929) Periboea
- (12935) Zhengzhemin
- (13406) Sekora
- (16087) Rhythmgarg
- (16094) Scottmccord
- (20629) Robert
- (20631) Stefuller
- (20632) Carlyrosser
- (20633) Robertluther
- (20634) Marichardson
- (20635) Robinandrews
- (20636) Romanhirsch