|
Discovery and designation
|
|
|---|---|
| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Hastings |
| Discovery date | September 7, 1999 |
|
Designations
|
|
| MPC designation | 20539 |
| Alternate name(s) | 1999 RT86 |
| Epoch May 14, 2008 | |
| Ap | 3.1640989 |
| Peri | 2.5605533 |
| Eccentricity | 0.1054292 |
| Orbital period | 1768.7933557 |
| Mean anomaly | 282.54997 |
| Inclination | 3.34585 |
| Longitude of ascending node | 114.30677 |
| Argument of peri | 245.12393 |
| Absolute magnitude (H) | 14.7 |
20539 Gadberry (1999 RT86) is a main-belt asteroid discovered on September 7, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Hastings.