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Discovery and designation
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|
|---|---|
| Discovered by | E. W. Elst |
| Discovery site | European Southern Observatory |
| Discovery date | August 10, 1994 |
|
Designations
|
|
| MPC designation | 11581 |
| Alternate name(s) | 1994 PK9 |
| Epoch May 14, 2008 | |
| Ap | 3.2439754 |
| Peri | 2.7064180 |
| Eccentricity | 0.0903398 |
| Orbital period | 1874.4417678 |
| Mean anomaly | 251.00529 |
| Inclination | 10.09988 |
| Longitude of ascending node | 159.57328 |
| Argument of peri | 163.13629 |
| Absolute magnitude (H) | 14.0 |
11581 Philipdejager (1994 PK9) is a main-belt asteroid discovered on August 10, 1994 by E. W. Elst at the European Southern Observatory.