Tags: Planet.

21449 Hemmick (1998 HQ22) is a main-belt asteroid discovered on April 20 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.

apoapsis (km)
3.59724e+11
orbital period (μ)
1.10113e+08
periapsis (km)
3.28569e+11
absolute magnitude
16.1
discovery date
1998-04-20
discoverer
Lincoln Near-Earth Asteroid Research
epoch
May 14 2008
former name
1998 HQ22

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