(121232) Zerin Main-belt Asteroid
Discovered on 11 September 1999 by Starkenburg at Heppenheim.
ZERIN (Zentrum für Rieskrater- und Impaktforschung Nördlingen) is a scientific institute for impact research and, in particular, documentation of the Nördlinger Ries Crater. The name was suggested by P. Geffert.Naming citation (WGSBN Bull. 5, #19, 5), IAU / Minor Planet Center, via NASA/JPL
Where Zerin is today
Seen from above the solar system on 2026-10-14: Zerin is 3.00 au from the Sun and 2.14 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 121232 |
| Provisional designation | 1999 RK35 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.05 km (#15,085 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.228 |
| Absolute magnitude (H) | 15.07 |
| Orbital period | 4.53 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.44 – 3.04 au |
| Eccentricity | 0.110 |
| Inclination | 11.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.46 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 11 September 1999
- (12583) Buckjean
- (13396) Midavaine
- (16065) Borel
- (20517) Judycrystal
- (20597) Pickersgill
- (20613) Chibaken
- (21685) Francomallia
- (21686) Koschny
- (21687) Filopanti
- (36061) Haldane
- (36169) Grosseteste
- (38270) Wettzell