(121332) Jasonhair Main-belt Asteroid
Discovered on 29 September 1999 by CSS at Catalina.
Where Jasonhair is today
Seen from above the solar system on 2026-10-14: Jasonhair is 2.85 au from the Sun and 3.26 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 121332 |
| Provisional designation | 1999 SB24 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.23 km (#10,187 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0780 |
| Absolute magnitude (H) | 15.04 |
| Orbital period | 5.61 years |
| Semi-major axis | 3.16 au |
| Perihelion – aphelion | 2.74 – 3.57 au |
| Eccentricity | 0.133 |
| Inclination | 4.05° |
| Closest distance between its orbit and Earth's (MOID) | 1.73 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 29 September 1999
- (19701) Aomori
- (20617) Richardgreenwood
- (20618) Daniebutler
- (21789) Frankwasser
- (21791) Mattweegman
- (21795) Masi
- (22889) Donnablaney
- (22890) Ruthaellis
- (33789) Sharmacam
- (121328) Devlynrfennell
- (121330) Colbygoodloe
- (129879) Tishasaltzman