|
Discovery and designation
|
|
|---|---|
| Discovered by | Yanai and Watanabe |
| Discovery site | Kitami |
| Discovery date | January 15, 1989 |
|
Designations
|
|
| MPC designation | 5121 |
| Alternate name(s) | 1989 AX1 |
| Epoch May 14, 2008 | |
| Ap | 2.6101528 |
| Peri | 1.8512728 |
| Eccentricity | 0.1700981 |
| Orbital period | 1216.9252808 |
| Mean anomaly | 10.71946 |
| Inclination | 6.45720 |
| Longitude of ascending node | 358.34988 |
| Argument of peri | 20.80084 |
| Absolute magnitude (H) | 13.2 |
5121 Numazawa (1989 AX1) is a main-belt asteroid discovered on January 15, 1989 by Yanai and Watanabe at Kitami.