(12207) Matthewbeasley Main-belt Asteroid
Discovered on 1 March 1981 by S. J. Bus at Siding Spring.
Matthew Beasley (b. 1973) contributed to NASA's Lucy Trojan asteroid mission as deputy payload systems engineer. His primary roles were ensuring that instruments and the terminal tracking cameras would be capable of making the measurements that Lucy needs to perform at the target asteroids.Naming citation (WGSBN Bull. 1, #9, 11), IAU / Minor Planet Center, via NASA/JPL
Where Matthewbeasley is today
Seen from above the solar system on 2026-10-14: Matthewbeasley is 2.55 au from the Sun and 2.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12207 |
| Provisional designation | 1981 EU28 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.68 km (#13,508 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.299 |
| Rotation period | 4.84 hours |
| Absolute magnitude (H) | 14.52 |
| Orbital period | 3.32 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.80 – 2.66 au |
| Eccentricity | 0.194 |
| Inclination | 4.11° |
| Closest distance between its orbit and Earth's (MOID) | 0.781 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
- (12983) Mattcox
- (12985) Mattgarrison
- (13750) Mattdawson
- (15030) Matthewkroll
- (16961) Mullahy
- (17281) Mattblythe
- (18755) Meduna
- (19763) Klimesh
All asteroids named after someone called Matthew
Also discovered on 1 March 1981
- (2788) Andenne
- (3016) Meuse
- (3029) Sanders
- (3030) Vehrenberg
- (3042) Zelinsky
- (3058) Delmary
- (3075) Bornmann
- (3135) Lauer
- (3308) Ferreri
- (3472) Upgren
- (3498) Belton
- (3503) Brandt