(305344) Williamcolgrove Main-belt Asteroid
Discovered on 6 January 2008 by P. A. Wiegert at Mauna Kea.
William Gladstone Colgrove (1872–1958) was a Canadian amateur astronomer, botanical taxonomist and skilled machinist who won the RASC Chant Medal in 1942 for designing and building models for use in astronomical teaching. He assisted Western University in acquiring the Dresden meteorite for research and exhibition after it fell in southern Ontario in 1939.Naming citation (WGSBN Bull. 5, #21, 11), IAU / Minor Planet Center, via NASA/JPL
Where Williamcolgrove is today
Seen from above the solar system on 2026-10-14: Williamcolgrove is 2.74 au from the Sun and 3.53 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 305344 |
| Provisional designation | 2008 AB122 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.42 |
| Orbital period | 5.68 years |
| Semi-major axis | 3.18 au |
| Perihelion – aphelion | 2.74 – 3.63 au |
| Eccentricity | 0.140 |
| Inclination | 5.63° |
| Closest distance between its orbit and Earth's (MOID) | 1.73 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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