(266921) Culhane Main-belt Asteroid
Discovered on 14 February 2010 by WISE at WISE.
William Culhane (b. 1930) is a retired mechanic and grandfather of one of the discoverers.Naming citation (MPC batch dated 2019-12-12), IAU / Minor Planet Center, via NASA/JPL
Where Culhane is today
Seen from above the solar system on 2026-10-14: Culhane is 2.25 au from the Sun and 3.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 266921 |
| Provisional designation | 2010 CN52 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.29 km (#16,634 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0850 |
| Absolute magnitude (H) | 16.94 |
| Orbital period | 4.19 years |
| Semi-major axis | 2.60 au |
| Perihelion – aphelion | 2.01 – 3.19 au |
| Eccentricity | 0.228 |
| Inclination | 10.7° |
| Closest distance between its orbit and Earth's (MOID) | 0.996 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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