Tags: Planet.

18803 Hillaryoas (1999 JH77) is a main-belt asteroid discovered on May 12 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.

apoapsis (km)
3.86254e+11
orbital period (μ)
1.08855e+08
periapsis (km)
2.96787e+11
absolute magnitude
14.4
discovery date
1999-05-12
discoverer
Lincoln Near-Earth Asteroid Research
epoch
May 14 2008
former name
1999 JH77

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