21633 Hsingpenyuan
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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 |
Designations
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MPC designation | 21633 |
Alternative names[1] | 1999 NW11 |
Epoch May 14, 2008 | |
Ap | 2.5729748 |
Peri | 2.1574970 |
Eccentricity | 0.0878301 |
Orbital period | 1328.6485677 |
Mean anomaly | 211.36526 |
Inclination | 5.61485 |
Longitude of ascending node | 305.16125 |
Argument of peri | 304.60360 |
Absolute magnitude | 14.3 |
21633 Hsingpenyuan (1999 NW11) is a Main-belt Asteroid discovered on July 13, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.