|
Discovery and designation
|
|
|---|---|
| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Socorro |
| Discovery date | April 21, 1998 |
|
Designations
|
|
| MPC designation | 22581 |
| Alternate name(s) | 1998 HH77 |
| Epoch May 14, 2008 | |
| Ap | 2.7220568 |
| Peri | 2.1092572 |
| Eccentricity | 0.1268391 |
| Orbital period | 1371.3595072 |
| Mean anomaly | 314.89472 |
| Inclination | 1.19500 |
| Longitude of ascending node | 3.46809 |
| Argument of peri | 124.09046 |
| Absolute magnitude (H) | 15.1 |
22581 Rosahemphill (1998 HH77) is a main-belt asteroid discovered on April 21, 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.