(22553) Yisun Main-belt Asteroid
Discovered on 31 March 1998 by LINEAR at Socorro.
Yi Sun (b. 1988) is a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors, for his mathematics project. He attends the The Harker School, San Jose, California.Naming citation (20060314/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yisun is today
Seen from above the solar system on 2026-10-14: Yisun is 2.61 au from the Sun and 2.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22553 |
| Provisional designation | 1998 FS116 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.25 km (#16,702 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.242 |
| Absolute magnitude (H) | 15.24 |
| Orbital period | 3.73 years |
| Semi-major axis | 2.41 au |
| Perihelion – aphelion | 2.11 – 2.70 au |
| Eccentricity | 0.121 |
| Inclination | 5.63° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Yi
All asteroids named after someone called Yi
Also discovered on 31 March 1998
- (9458) Beaumont
- (9459) Gracecai
- (11178) Emmajoy
- (11179) Ahmadperez
- (11180) Brentperlman
- (11697) Estrella
- (11698) Fichtelman
- (11701) Madeleineyang
- (11702) Mifischer
- (12506) Pariser
- (12508) Darcysloe
- (12509) Pathak