(45298) Williamon Main-belt Asteroid
Discovered on 5 January 2000 by A. Block at Kitt Peak.
Richard Williamon (b. 1946), known for his research on eclipsing stars, has spent his entire career teaching and promoting public outreach. He worked at Fernbank Science Center in Atlanta for over 30 years as the director of the on-site observatory and planetarium.Naming citation (20060219/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Williamon is today
Seen from above the solar system on 2026-10-14: Williamon is 3.10 au from the Sun and 2.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 45298 |
| Provisional designation | 2000 AE42 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.0 |
| Orbital period | 5.39 years |
| Semi-major axis | 3.08 au |
| Perihelion – aphelion | 2.58 – 3.57 au |
| Eccentricity | 0.160 |
| Inclination | 10.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.59 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Richard
- (4143) Huziak
- (4252) Godwin
- (5391) Emmons
- (5567) Durisen
- (6368) Richardmenendez
- (6893) Sanderson
- (7392) Kowalski
- (7845) Mckim
- (7966) Richardbaum
- (8331) Dawkins
- (8717) Richviktorov
- (9725) Wainscoat
All asteroids named after someone called Richard