|
Discovery and designation
|
|
|---|---|
| Discovered by | K. Endate and K. Watanabe |
| Discovery site | Kitami |
| Discovery date | November 21, 1990 |
|
Designations
|
|
| MPC designation | 8503 |
| Alternate name(s) | 1990 WX3 |
| Epoch May 14, 2008 | |
| Ap | 2.5825448 |
| Peri | 1.8328428 |
| Eccentricity | 0.1697930 |
| Orbital period | 1198.1375750 |
| Mean anomaly | 133.26793 |
| Inclination | 6.69758 |
| Longitude of ascending node | 95.69610 |
| Argument of peri | 307.19051 |
| Absolute magnitude (H) | 14.1 |
8503 Masakatsu (1990 WX3) is a main-belt asteroid discovered on November 21, 1990 by K. Endate and K. Watanabe at Kitami.