|
Discovery and designation
|
|
|---|---|
| Discovered by | Spacewatch |
| Discovery site | Kitt Peak |
| Discovery date | December 18, 1995 |
|
Designations
|
|
| MPC designation | 11997 |
| Alternate name(s) | 1995 YU9 |
| Epoch May 14, 2008 | |
| Ap | 3.2170695 |
| Peri | 2.7974795 |
| Eccentricity | 0.0697625 |
| Orbital period | 1904.8379975 |
| Mean anomaly | 254.36316 |
| Inclination | 9.26935 |
| Longitude of ascending node | 289.82931 |
| Argument of peri | 62.08505 |
| Absolute magnitude (H) | 13.9 |
11997 Fassel (1995 YU9) is a main-belt asteroid discovered on December 18, 1995 by Spacewatch at Kitt Peak.