21558 Alisonliu
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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 | August 24, 1998 |
Designations
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MPC designation | 21558 |
Alternative names[1] | 1998 QW77 |
Epoch May 14, 2008 | |
Ap | 3.1127293 |
Peri | 2.2353855 |
Eccentricity | 0.1640473 |
Orbital period | 1597.1824282 |
Mean anomaly | 165.27799 |
Inclination | 11.94232 |
Longitude of ascending node | 323.84629 |
Argument of peri | 286.54430 |
Absolute magnitude | 12.0 |
21558 Alisonliu (1998 QW77) is a Main-belt Asteroid discovered on August 24, 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.