21474 Pamelatsai
From Wikipedia, the free encyclopedia
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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 | April 21, 1998 |
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Designations
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| MPC designation | 21474 |
| Alternative names[1] | 1998 HO99 |
| Epoch May 14, 2008 | |
| Ap | 2.5789199 |
| Peri | 2.1756015 |
| Eccentricity | 0.0848284 |
| Orbital period | 1338.7936279 |
| Mean anomaly | 231.28100 |
| Inclination | 6.37385 |
| Longitude of ascending node | 185.20389 |
| Argument of peri | 75.58749 |
| Absolute magnitude | 15.8 |
21474 Pamelatsai (1998 HO99) is a Main-belt Asteroid discovered on April 21, 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.

