(4175) Billbaum Main-belt Asteroid
Discovered on 15 April 1985 by E. Bowell at Anderson Mesa.
Where Billbaum is today
Seen from above the solar system on 2026-10-14: Billbaum is 3.09 au from the Sun and 2.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4175 |
| Provisional designation | 1985 GX |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.87 km (#5,852 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.270 |
| Rotation period | 2.73 hours |
| Absolute magnitude (H) | 12.43 |
| Orbital period | 4.41 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.20 – 3.18 au |
| Eccentricity | 0.182 |
| Inclination | 13.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 15 April 1985
- (3527) McCord
- (3663) Tisserand
- (4532) Copland
- (4569) Baerbel
- (5100) Pasachoff
- (6371) Heinlein
- (7228) MacGillivray
- (8474) Rettig
More named asteroids discovered by E. Bowell
- (2246) Bowell
- (2264) Sabrina
- (2270) Yazhi
- (2316) Jo-Ann
- (2356) Hirons
- (2357) Phereclos
- (2383) Bradley
- (2409) Chapman
- (2410) Morrison
- (2411) Zellner
- (2421) Nininger
- (2432) Soomana
← (4174) Pikulia · (4176) Sudek →