|
Discovery and designation
|
|
|---|---|
| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Socorro |
| Discovery date | September 9, 1999 |
|
Designations
|
|
| MPC designation | 18858 |
| Alternate name(s) | 1999 RO117 |
| Epoch May 14, 2008 | |
| Ap | 2.8904053 |
| Peri | 2.2228251 |
| Eccentricity | 0.1305594 |
| Orbital period | 1493.1260830 |
| Mean anomaly | 169.64116 |
| Inclination | 9.98799 |
| Longitude of ascending node | 262.84023 |
| Argument of peri | 288.88385 |
| Absolute magnitude (H) | 14.4 |
18858 Tecleveland (1999 RO117) is a main-belt asteroid discovered on September 9, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.