|
Discovery and designation
|
|
|---|---|
| Discovered by | C. S. Shoemaker and E. M. Shoemaker |
| Discovery site | Palomar Observatory |
| Discovery date | October 11, 1985 |
|
Designations
|
|
| MPC designation | 12227 |
| Alternate name(s) | 1985 TO3 |
| Epoch May 14, 2008 | |
| Ap | 2.7051113 |
| Peri | 1.8390879 |
| Eccentricity | 0.1905778 |
| Orbital period | 1250.9485926 |
| Mean anomaly | 227.16567 |
| Inclination | 5.64538 |
| Longitude of ascending node | 275.85191 |
| Argument of peri | 83.00045 |
| Absolute magnitude (H) | 14.5 |
12227 Penney (1985 TO3) is a main-belt asteroid discovered on October 11, 1985 by C. S. Shoemaker and E. M. Shoemaker at Palomar Observatory.