(7993) Johnbridges Main-belt Asteroid
Discovered on 16 October 1982 by A. Mrkos at Klet.
John Bridges (b. 1966), based at the University of Leicester, is an expert on the mineralogy and petrology of martian meteorites, chondritic meteorites and cometary material returned by the Stardust mission. He has been a participating scientist in Mars Science Laboratory rover mission.Naming citation (MPC batch dated 2018-05-29), IAU / Minor Planet Center, via NASA/JPL
Where Johnbridges is today
Seen from above the solar system on 2026-10-14: Johnbridges is 2.74 au from the Sun and 2.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7993 |
| Provisional designation | 1982 UD2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.46 km (#6,171 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.225 |
| Absolute magnitude (H) | 12.6 |
| Orbital period | 5.00 years |
| Semi-major axis | 2.93 au |
| Perihelion – aphelion | 2.54 – 3.32 au |
| Eccentricity | 0.133 |
| Inclination | 2.59° |
| Closest distance between its orbit and Earth's (MOID) | 1.53 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called John
- (3882) Johncox
- (3893) DeLaeter
- (4089) Galbraith
- (4147) Lennon
- (4525) Johnbauer
- (4656) Huchra
- (4987) Flamsteed
- (5207) Hearnshaw
- (5216) Cannizzo
- (5362) Johnyoung
- (5517) Johnerogers
- (5558) Johnnapier
All asteroids named after someone called John
Also discovered on 16 October 1982
More named asteroids discovered by A. Mrkos
- (2199) Klet
- (2304) Slavia
- (2325) Chernykh
- (2367) Praha
- (2403) Sumava
- (2404) Antarctica
- (2552) Remek
- (2559) Svoboda
- (2747) Cesky Krumlov
- (2811) Stremchovi
- (2889) Brno
- (2936) Nechvile
← (7992) Yozan · (7994) Bethellen →