Tags: Planet.

21474 Pamelatsai (1998 HO99) is a main-belt asteroid discovered on April 21 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.

apoapsis (km)
3.85801e+11
orbital period (μ)
1.15672e+08
periapsis (km)
3.25465e+11
absolute magnitude
15.8
discovery date
1998-04-21
discoverer
Lincoln Near-Earth Asteroid Research
epoch
May 14 2008
former name
1998 HO99

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