(3129) Bonestell Main-belt Asteroid
Discovered on 25 June 1979 by Helin, E. F., Bus, S. J. at Siding Spring.
Where Bonestell is today
Seen from above the solar system on 2026-10-14: Bonestell is 2.47 au from the Sun and 2.89 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3129 |
| Provisional designation | 1979 MK2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.15 km (#7,455 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.382 |
| Rotation period | 2.98 hours |
| Absolute magnitude (H) | 12.75 |
| Orbital period | 4.44 years |
| Semi-major axis | 2.70 au |
| Perihelion – aphelion | 2.12 – 3.28 au |
| Eccentricity | 0.214 |
| Inclination | 6.92° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 25 June 1979
- (2343) Siding Spring
- (2392) Jonathan Murray
- (2441) Hibbs
- (2618) Coonabarabran
- (2619) Skalnate Pleso
- (2628) Kopal
- (2682) Soromundi
- (2704) Julian Loewe
- (3205) Boksenberg
- (3756) Ruscannon
- (3817) Lencarter
- (4314) Dervan