(129876) Stevenpeterson Main-belt Asteroid
Discovered on 4 September 1999 by CSS at Catalina.
Steven Peterson (b. 1953) worked as an optical systems calibration and test engineer on the OSIRIS-REx Asteroid Sample Return Mission OCAMS camera. He also worked at Kitt Peak National Observatory and served as an officer of the Tucson Amateur Astronomy Association.Naming citation (MPC batch dated 2016-11-14), IAU / Minor Planet Center, via NASA/JPL
Where Stevenpeterson is today
Seen from above the solar system on 2026-10-14: Stevenpeterson is 2.88 au from the Sun and 3.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 129876 |
| Provisional designation | 1999 RA254 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.87 |
| Orbital period | 3.67 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.82 – 2.94 au |
| Eccentricity | 0.236 |
| Inclination | 4.15° |
| Closest distance between its orbit and Earth's (MOID) | 0.809 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Steven
- (5129) Groom
- (6403) Steverin
- (6544) Stevendick
- (8195) Tamkin
- (9280) Stevenjoy
- (9926) Desch
- (10044) Squyres
- (10596) Stevensimpson
- (12104) Chesley
- (13415) Stevenbland
- (14438) MacLean
- (15941) Stevegauthier
All asteroids named after someone called Steven
Also discovered on 4 September 1999
- (12574) LONEOS
- (12575) Palmaria
- (20497) Marenka
- (20500) Avner
- (20607) Vernazza
- (21664) Konradzuse
- (21684) Alinafiocca
- (23990) Springsteen
- (40410) Prihoda
- (40457) Williamkuhn
- (59970) Morate
- (66479) Healy