(121237) Zachdolch Main-belt Asteroid
Discovered on 8 September 1999 by CSS at Catalina.
Where Zachdolch is today
Seen from above the solar system on 2026-10-14: Zachdolch is 2.13 au from the Sun and 1.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 121237 |
| Provisional designation | 1999 RK39 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.13 |
| Orbital period | 5.45 years |
| Semi-major axis | 3.10 au |
| Perihelion – aphelion | 2.11 – 4.08 au |
| Eccentricity | 0.318 |
| Inclination | 9.56° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 8 September 1999
- (12580) Antonini
- (12581) Rovinj
- (13817) Genobechetti
- (16066) Richardbressler
- (16070) Charops
- (19629) Serra
- (19694) Dunkelman
- (19695) Billnye
- (20544) Kimhansell
- (20545) Karenhowell
- (20546) Michaelfruhauf
- (20547) Michimani