(23831) Mattmooney Main-belt Asteroid
Discovered on 24 August 1998 by LINEAR at Socorro.
Matthew Michael Mooney (b. 1994) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his environmental sciences project. He attends the St. Luke's Episcopal School, San Antonio, Texas.Naming citation (20071026/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Mattmooney is today
Seen from above the solar system on 2026-10-14: Mattmooney is 3.25 au from the Sun and 3.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23831 |
| Provisional designation | 1998 QK86 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.28 km (#8,529 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.162 |
| Absolute magnitude (H) | 14.08 |
| Orbital period | 5.19 years |
| Semi-major axis | 3.00 au |
| Perihelion – aphelion | 2.68 – 3.31 au |
| Eccentricity | 0.105 |
| Inclination | 9.39° |
| Closest distance between its orbit and Earth's (MOID) | 1.70 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Matthew
- (6626) Mattgenge
- (8998) Matthewizawa
- (10156) Darnley
- (11743) Jachowski
- (12207) Matthewbeasley
- (12983) Mattcox
- (12985) Mattgarrison
- (13750) Mattdawson
- (15030) Matthewkroll
- (16961) Mullahy
- (17281) Mattblythe
- (18755) Meduna
All asteroids named after someone called Matthew
Also discovered on 24 August 1998
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- (16961) Mullahy
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- (21554) Leechaohsi
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- (21556) Christineli
- (21557) Daniellitt