(5682) Beresford Mars-crossing Asteroid
Discovered on 9 October 1990 by R. H. McNaught at Siding Spring.
Named in honor of Anthony Charles Beresford (b. 1942), prominent Australian amateur astronomer. Amongst his wide ranging astronomical interests he is an active artificial satellite observer, having been part of Operation Moonwatch from 1960 to 1975. He plays an important role in the dissemination of astronomical information and discoveries in South Australia. Always knowledgeable about current events, Tony Beresford has been of considerable help to the discoverer on many occasions. Name suggested and citation endorsed by D. I. Steel.Naming citation (WGSBN Bull. 3, #13, 6), IAU / Minor Planet Center, via NASA/JPL
Where Beresford is today
Seen from above the solar system on 2026-10-14: Beresford is 2.83 au from the Sun and 3.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5682 |
| Provisional designation | 1990 TB |
| Orbit class | Mars-crossing Asteroid |
| Diameter | 4.12 km (#12,446 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.365 |
| Rotation period | 3.77 hours |
| Absolute magnitude (H) | 13.77 |
| Orbital period | 3.48 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.61 – 2.98 au |
| Eccentricity | 0.298 |
| Inclination | 7.96° |
| Closest distance between its orbit and Earth's (MOID) | 0.617 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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