(391496) Colineldridge Main-belt Asteroid
Discovered on 11 August 2007 by P. Luckas at Shenton Park.
Colin Eldridge (b. 1941) is an Australian amateur astronomer and generous supporter of astronomy outreach and education in Western Australia.Naming citation (WGSBN Bull. 3, #6, 13), IAU / Minor Planet Center, via NASA/JPL
Where Colineldridge is today
Seen from above the solar system on 2026-10-14: Colineldridge is 1.82 au from the Sun and 1.20 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 391496 |
| Provisional designation | 2007 PG9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.99 km (#15,249 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0410 |
| Absolute magnitude (H) | 16.45 |
| Orbital period | 3.82 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 1.79 – 3.10 au |
| Eccentricity | 0.268 |
| Inclination | 11.4° |
| Closest distance between its orbit and Earth's (MOID) | 0.812 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Colin
- (5833) Peterson
- (13213) Maclaurin
- (15347) Colinstuart
- (15614) Pillinger
- (17051) Oflynn
- (43500) Chandler
- (158589) Snodgrass
All asteroids named after someone called Colin