(10315) Brewster Main-belt Asteroid
Discovered on 23 September 1990 by E. F. Helin at Palomar.
Stephen C. Brewster (b. 1945), a former member of the Palomar Planet Crossing Asteroid Survey, has had a long fascination with astronomy. He is a member of the Outer Planets project at the Jet Propulsion Laboratory and a member of the board of trustees of Stony Ridge Observatory. He discovered comet 105P.Naming citation (20000726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Brewster as a baby name🐶 Brewster as a dog name
Where Brewster is today
Seen from above the solar system on 2026-10-14: Brewster is 2.82 au from the Sun and 2.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10315 |
| Provisional designation | 1990 SC4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.38 km (#11,886 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.335 |
| Rotation period | 5.19 hours |
| Absolute magnitude (H) | 14.17 |
| Orbital period | 3.68 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.71 – 3.05 au |
| Eccentricity | 0.282 |
| Inclination | 22.0° |
| Closest distance between its orbit and Earth's (MOID) | 0.823 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Stephen
- (5190) Fry
- (5191) Paddack
- (5292) Mackwell
- (5657) Groombridge
- (7336) Saunders
- (7672) Hawking
- (8373) Stephengould
- (9768) Stephenmaran
- (9891) Stephensmith
- (10287) Smale
- (12984) Lowry
- (16104) Stesullivan
All asteroids named after someone called Stephen