(10276) Matney Main-belt Asteroid
Discovered on 3 March 1981 by S. J. Bus at Siding Spring.
Mark Matney (b. 1963) of the Johnson Space Center has made fundamental contributions to models and observations of Earth's orbital debris environment.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Matney is today
Seen from above the solar system on 2026-10-14: Matney is 2.39 au from the Sun and 1.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10276 |
| Provisional designation | 1981 EK23 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.73 km (#9,340 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0590 |
| Absolute magnitude (H) | 15.13 |
| Orbital period | 3.62 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 1.92 – 2.80 au |
| Eccentricity | 0.185 |
| Inclination | 3.07° |
| Closest distance between its orbit and Earth's (MOID) | 0.909 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Mark
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- (7552) Sephton
- (7778) Markrobinson
- (7917) Hammergren
- (8015) Marksimons
- (8329) Speckman
- (8686) Akenside
- (8789) Effertz
- (10598) Markrees
- (12094) Mazumder
- (13211) Stucky
- (13652) Elowitz
All asteroids named after someone called Mark
Also discovered on 3 March 1981
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- (3891) Werner
- (6203) Lyubamoroz
- (7219) Satterwhite
- (8998) Matthewizawa
- (9527) Sherrypervan
- (10474) Pecina
- (10698) Singer
- (11462) Hsingwenlin
- (11467) Simonporter
- (11813) Ingorichter
- (52242) Michelemaoret