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Discovery and designation
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|
|---|---|
| Discovered by | Chernykh, N. S. |
| Discovery site | Nauchnyj |
| Discovery date | August 14, 1977 |
|
Designations
|
|
| MPC designation | 5661 |
| Alternate name(s) | 1977 PO1 |
| Epoch May 14, 2008 | |
| Ap | 4.9094904 |
| Peri | 3.0281184 |
| Eccentricity | 0.2370200 |
| Orbital period | 2887.9385966 |
| Mean anomaly | 340.08907 |
| Inclination | 13.31072 |
| Longitude of ascending node | 317.12970 |
| Argument of peri | 2.17716 |
| Geometric albedo | 0.1364 |
| Absolute magnitude (H) | 10.10 |
5661 Hildebrand (1977 PO1) is an outer main-belt asteroid discovered on August 14, 1977 by Chernykh, N. S. at Nauchnyj.