|
Discovery and designation
|
|
|---|---|
| Discovered by | T. Seki |
| Discovery site | Geisei |
| Discovery date | April 18, 1990 |
|
Designations
|
|
| MPC designation | 11878 |
| Alternate name(s) | 1990 HJ |
| Epoch May 14, 2008 | |
| Ap | 2.7395143 |
| Peri | 2.0479113 |
| Eccentricity | 0.1444624 |
| Orbital period | 1352.7155426 |
| Mean anomaly | 347.10125 |
| Inclination | 3.90217 |
| Longitude of ascending node | 50.31594 |
| Argument of peri | 111.15133 |
| Absolute magnitude (H) | 14.0 |
11878 Hanamiyama (1990 HJ) is a main-belt asteroid discovered on April 18, 1990 by T. Seki at Geisei.