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Discovery and designation
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| Discovered by | S. J. Bus |
| Discovery site | Siding Spring |
| Discovery date | February 28, 1981 |
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Designations
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| MPC designation | 3287 |
| Named after | C. Michelle Olmstead |
| Alternate name(s) | 1981 DK1 |
| Epoch May 14, 2008 | |
| Ap | 3.0758662 |
| Peri | 1.6566754 |
| Eccentricity | 0.2998792 |
| Orbital period | 1329.5206620 |
| Mean anomaly | 69.55858 |
| Inclination | 12.07593 |
| Longitude of ascending node | 213.35534 |
| Argument of peri | 95.74880 |
| Absolute magnitude (H) | 15.0 |
3287 Olmstead (1981 DK1) is a Mars-crossing asteroid discovered on February 28, 1981 by S. J. Bus at Siding Spring.
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