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Designations
|
|
|---|---|
| MPC designation | 9686 |
| Named after | Willem Hendrik Keesom |
| Alternate name(s) | 4604 P-L |
| Epoch May 14, 2008 | |
| Ap | 2.5400361 |
| Peri | 2.0191075 |
| Eccentricity | 0.1142602 |
| Orbital period | 1257.1246667 |
| Mean anomaly | 329.44546 |
| Inclination | 2.32657 |
| Longitude of ascending node | 27.78450 |
| Argument of peri | 305.23337 |
| Absolute magnitude (H) | 15.3 |
9686 Keesom (4604 P-L) is a main-belt asteroid.