21629 Siperstein
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Discovery and designation
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| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Socorro |
| Discovery date | July 13, 1999 |
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Designations
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| MPC designation | 21629 |
| Alternative names[1] | 1999 NT8 |
| Epoch May 14, 2008 | |
| Ap | 2.2583304 |
| Peri | 2.1259990 |
| Eccentricity | 0.0301828 |
| Orbital period | 1185.5181450 |
| Mean anomaly | 341.98592 |
| Inclination | 1.20399 |
| Longitude of ascending node | 180.08841 |
| Argument of peri | 42.07401 |
| Absolute magnitude | 15.9 |
21629 Siperstein (1999 NT8) is a Main-belt Asteroid discovered on July 13, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
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