21989 Werntz
From Wikipedia, the free encyclopedia
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.