|
Discovery and designation
|
|
|---|---|
| Discovered by | T. Seki |
| Discovery site | Geisei |
| Discovery date | November 17, 1990 |
|
Designations
|
|
| MPC designation | 18365 |
| Alternate name(s) | 1990 WN5 |
| Epoch May 14, 2008 | |
| Ap | 3.1292720 |
| Peri | 2.8989982 |
| Eccentricity | 0.0381990 |
| Orbital period | 1911.3600410 |
| Mean anomaly | 302.53376 |
| Inclination | 11.14846 |
| Longitude of ascending node | 57.79244 |
| Argument of peri | 165.26930 |
| Absolute magnitude (H) | 12.0 |
18365 Shimomoto (1990 WN5) is a main-belt asteroid discovered on November 17, 1990 by T. Seki at Geisei.