(71485) Brettman Main-belt Asteroid
Discovered on 30 January 2000 by CSS at Catalina.
Orville Brettman (b. 1947) was exposed to astronomy at the age of 14. He joined the Association of Lunar & Planetary Observers and was a founding member of the Elgin Astronomical Society (Illinois). He became involved with the Astronomical League and was President of the League from 1980-1982.Naming citation (MPC batch dated 2019-12-12), IAU / Minor Planet Center, via NASA/JPL
Where Brettman is today
Seen from above the solar system on 2026-10-14: Brettman is 3.13 au from the Sun and 3.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 71485 |
| Provisional designation | 2000 BM34 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.66 km (#11,318 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.170 |
| Absolute magnitude (H) | 14.47 |
| Orbital period | 5.34 years |
| Semi-major axis | 3.05 au |
| Perihelion – aphelion | 2.80 – 3.31 au |
| Eccentricity | 0.0831 |
| Inclination | 10.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.83 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 30 January 2000
- (14275) Dianemurray
- (16199) Rozenblyum
- (17218) Stgeorge
- (23151) Georgehotz
- (24421) Djorgovski
- (25760) Annaspitz
- (26493) Paulsucala
- (26495) Eichorn
- (27320) Vellinga
- (28474) Bustamante
- (30004) Mikewilliams
- (31836) Poshedly