|
Discovery and designation
|
|
|---|---|
| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Socorro |
| Discovery date | October 2, 1999 |
|
Designations
|
|
| MPC designation | 22919 |
| Alternate name(s) | 1999 TR91 |
| Epoch May 14, 2008 | |
| Ap | 2.6853194 |
| Peri | 2.1763946 |
| Eccentricity | 0.1046801 |
| Orbital period | 1384.3233456 |
| Mean anomaly | 19.35365 |
| Inclination | 7.22746 |
| Longitude of ascending node | 141.24009 |
| Argument of peri | 318.15267 |
| Absolute magnitude (H) | 15.2 |
22919 Shuwan (1999 TR91) is a main-belt asteroid discovered on October 2, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.