15904 Halstead
From Wikipedia, the free encyclopedia
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Discovery and designation
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| Discovered by | T. Stafford |
| Discovery site | Zeno Observatory |
| Discovery date | September 29, 1997 |
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Designations
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| MPC designation | 15904 |
| Alternative names[1] | 1997 SD11 |
| Epoch May 14, 2008 | |
| Ap | 2.2194529 |
| Peri | 2.1067759 |
| Eccentricity | 0.0260451 |
| Orbital period | 1162.0308361 |
| Mean anomaly | 330.12465 |
| Inclination | 3.04529 |
| Longitude of ascending node | 242.28182 |
| Argument of peri | 267.72796 |
| Absolute magnitude | 14.4 |
15904 Halstead (1997 SD11) is a Main-belt Asteroid discovered on September 29, 1997 by T. Stafford at the Zeno Observatory.

