21648 Gravanschaik

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Gravanschaik
Discovery and designation
Discovered by Lincoln Laboratory Near-Earth Asteroid Research Team
Discovery site Socorro
Discovery date July 12, 1999
Designations
MPC designation 21648
Alternative names[1] 1999 NB57
Epoch May 14, 2008
Ap 3.1990659
Peri 1.9989547
Eccentricity 0.2308785
Orbital period 1530.4193158
Mean anomaly 315.72655
Inclination 11.54302
Longitude of ascending node 260.94686
Argument of peri 177.95894
Absolute magnitude 14.4

21648 Gravanschaik (1999 NB57) is a Main-belt Asteroid discovered on July 12, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.

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