(5771) Somerville Main-belt Asteroid
Discovered on 21 September 1987 by E. Bowell at Anderson Mesa.
Where Somerville is today
Seen from above the solar system on 2026-10-14: Somerville is 2.46 au from the Sun and 1.54 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5771 |
| Provisional designation | 1987 ST1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 28.3 km (#1,459 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0290 |
| Rotation period | 9.20 hours |
| Absolute magnitude (H) | 12.45 |
| Orbital period | 5.57 years |
| Semi-major axis | 3.14 au |
| Perihelion – aphelion | 2.46 – 3.82 au |
| Eccentricity | 0.216 |
| Inclination | 8.27° |
| Closest distance between its orbit and Earth's (MOID) | 1.48 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 21 September 1987
- (4040) Purcell
- (4177) Kohman
- (5677) Aberdonia
- (6122) Henrard
- (6182) Katygord
- (6474) Choate
- (6512) de Bergh
- (6698) Malhotra
- (7011) Worley
- (9308) Randyrose
- (9563) Kitty
- (11846) Verminnen