Tags: Planet.

21473 Petesullivan (1998 HH99) is a main-belt asteroid discovered on April 21 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.

apoapsis (km)
3.81335e+11
orbital period (μ)
1.06942e+08
periapsis (km)
2.9368e+11
absolute magnitude
14.8
discovery date
1998-04-21
discoverer
Lincoln Near-Earth Asteroid Research
epoch
May 14 2008
former name
1998 HH99

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