(2618) Coonabarabran Main-belt Asteroid
Discovered on 25 June 1979 by Helin, E. F., Bus, S. J. at Siding Spring.
Where Coonabarabran is today
Seen from above the solar system on 2026-10-14: Coonabarabran is 2.85 au from the Sun and 3.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2618 |
| Provisional designation | 1979 MX2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.4 km (#3,944 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.183 |
| Rotation period | 14.6 hours |
| Absolute magnitude (H) | 12.49 |
| Orbital period | 5.26 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.67 – 3.38 au |
| Eccentricity | 0.117 |
| Inclination | 9.22° |
| Closest distance between its orbit and Earth's (MOID) | 1.68 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
- (2619) Skalnate Pleso
- (2628) Kopal
- (2682) Soromundi
- (2704) Julian Loewe
- (3129) Bonestell
- (3205) Boksenberg
- (3756) Ruscannon
- (3817) Lencarter
- (4314) Dervan