(20022) Dontown Main-belt Asteroid
Discovered on 3 November 1991 by Spacewatch at Kitt Peak.
Donald Town (b. 1953) is a Canadian engineer, photographer and amateur astronomer who has served as President of the RASC Belleville Centre, and represented the club on the RASC National Council, where he was on the constitution committee. His extensive volunteer efforts have supported club events and public outreach. He won the RASC Service Award in 2017.Naming citation (WGSBN Bull. 3, #15, 8), IAU / Minor Planet Center, via NASA/JPL
Where Dontown is today
Seen from above the solar system on 2026-10-14: Dontown is 2.35 au from the Sun and 2.61 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20022 |
| Provisional designation | 1991 VO7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.27 km (#16,667 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.137 |
| Absolute magnitude (H) | 15.76 |
| Orbital period | 4.27 years |
| Semi-major axis | 2.63 au |
| Perihelion – aphelion | 2.35 – 2.91 au |
| Eccentricity | 0.107 |
| Inclination | 2.07° |
| Closest distance between its orbit and Earth's (MOID) | 1.37 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Donald
- (2956) Yeomans
- (4794) Bogard
- (6107) Osterbrock
- (6478) Gault
- (6688) Donmccarthy
- (8875) Fernie
- (9122) Hunten
- (9177) Donsaari
- (9295) Donaldyoung
- (9448) Donaldavies
- (11267) Donaldkessler
- (11419) Donjohnson
All asteroids named after someone called Donald