21989 Werntz

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Werntz
Discovery and designation
Discovered by Lincoln Laboratory Near-Earth Asteroid Research Team
Discovery site Socorro
Discovery date December 5, 1999
Designations
MPC designation 21989
Alternative names[1] 1999 XU20
Epoch May 14, 2008
Ap 3.6840963
Peri 2.5516367
Eccentricity 0.1816081
Orbital period 2010.8732385
Mean anomaly 175.67365
Inclination 3.81336
Longitude of ascending node 189.99102
Argument of peri 244.46944
Absolute magnitude 14.3

21989 Werntz (1999 XU20) is a Main-belt Asteroid discovered on December 5, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.

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