(7915) Halbrook Main-belt Asteroid
Discovered on 25 June 1979 by Helin, E. F., Bus, S. J. at Siding Spring.
Timothy Halbrook (b. 1959) contributed to NASA's Lucy Trojan asteroid mission as the Proposal and Phase B Program Manager.Naming citation (WGSBN Bull. 1, #9, 6), IAU / Minor Planet Center, via NASA/JPL
Where Halbrook is today
Seen from above the solar system on 2026-10-14: Halbrook is 2.17 au from the Sun and 2.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7915 |
| Provisional designation | 1979 MA6 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.64 km (#15,982 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.420 |
| Absolute magnitude (H) | 14.73 |
| Orbital period | 3.51 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 2.17 – 2.45 au |
| Eccentricity | 0.0592 |
| Inclination | 5.84° |
| Closest distance between its orbit and Earth's (MOID) | 1.19 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Timothy
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- (4961) Timherder
- (7007) Timjull
- (7982) Timmartin
- (8690) Swindle
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- (9918) Timtrenkle
- (11225) Borden
- (14797) Timrose
- (16124) Timdong
- (18565) Selg
- (21423) Credo
All asteroids named after someone called Timothy
Also discovered on 25 June 1979
- (2343) Siding Spring
- (2392) Jonathan Murray
- (2441) Hibbs
- (2618) Coonabarabran
- (2619) Skalnate Pleso
- (2628) Kopal
- (2682) Soromundi
- (2704) Julian Loewe
- (3129) Bonestell
- (3205) Boksenberg
- (3756) Ruscannon
- (3817) Lencarter