|
Discovery and designation
|
|
|---|---|
| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Socorro |
| Discovery date | September 7, 1999 |
|
Designations
|
|
| MPC designation | 20530 |
| Alternate name(s) | 1999 RG55 |
| Epoch May 14, 2008 | |
| Ap | 3.6965793 |
| Peri | 2.5979985 |
| Eccentricity | 0.1745281 |
| Orbital period | 2039.4043512 |
| Mean anomaly | 190.66141 |
| Inclination | 1.03435 |
| Longitude of ascending node | 177.39324 |
| Argument of peri | 167.13552 |
| Absolute magnitude (H) | 14.2 |
20530 Johnayres (1999 RG55) is a main-belt asteroid discovered on September 7, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.