(20084) Buckmaster Main-belt Asteroid
Discovered on 6 April 1994 by Shoemaker, C. S., Levy, D. H. at Palomar.
Bill Buckmaster (b. 1947) is anchor of the long-running news magazine program Arizona Illustrated, the centerpiece of public broadcasting at the University of Arizona. His coverage of events and the passage of life in southern Arizona is thorough and thought-provoking.Naming citation (20040504/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Buckmaster is today
Seen from above the solar system on 2026-10-14: Buckmaster is 2.19 au from the Sun and 1.88 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20084 |
| Provisional designation | 1994 GU9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.09 km (#10,442 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.262 |
| Absolute magnitude (H) | 13.63 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 2.02 – 2.58 au |
| Eccentricity | 0.122 |
| Inclination | 22.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Bill
- (7630) Yidumduma
- (7784) Watterson
- (15964) Billgray
- (19695) Billnye
- (21531) Billcollin
- (24495) Degroff
- (24959) Zielenbach
- (27284) Billdunbar
- (48643) Allen-Beach
- (79896) Billhaley
- (80808) Billmason
- (95852) Leatherbarrow
All asteroids named after someone called Bill