7818 Muirhead
| Discovery and designation | |
|---|---|
| Discovered by | E. F. Helin |
| Discovery site | Palomar |
| Discovery date | August 19, 1990 |
| Designations | |
| MPC designation | 7818 |
| 1990 QO | |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 3.1558315 |
| Perihelion | 1.5257057 |
| Eccentricity | 0.3482031 |
| 1308.0855859 | |
| 295.85728 | |
| Inclination | 21.76576 |
| 160.64140 | |
| 254.30015 | |
| Physical characteristics | |
| 13.9 | |
|
| |
7818 Muirhead (1990 QO) is a Mars-crossing asteroid discovered on August 19, 1990 by E. F. Helin at Palomar.
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