21633 Hsingpenyuan

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Hsingpenyuan
Discovery and designation
Discovered by Lincoln Laboratory Near-Earth Asteroid Research Team
Discovery site Socorro
Discovery date July 13, 1999
Designations
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.

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