(121633) Ronperison Main-belt Asteroid
Discovered on 3 November 1999 by CSS at Catalina.
Where Ronperison is today
Seen from above the solar system on 2026-10-14: Ronperison is 2.53 au from the Sun and 1.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 121633 |
| Provisional designation | 1999 VO197 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.94 km (#12,883 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.125 |
| Absolute magnitude (H) | 15.12 |
| Orbital period | 5.46 years |
| Semi-major axis | 3.10 au |
| Perihelion – aphelion | 2.53 – 3.67 au |
| Eccentricity | 0.183 |
| Inclination | 9.87° |
| Closest distance between its orbit and Earth's (MOID) | 1.55 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 3 November 1999
- (13433) Phelps
- (16100) Hausknecht
- (16101) Notskas
- (17186) Sergivanov
- (20673) Janelle
- (20685) Sanchez-Cano
- (21913) Taylorjones
- (21914) Melakabinoff
- (21915) Lavins
- (21919) Luga
- (21921) Camdenmiller
- (21922) Mocz