Tags: Planet.

21476 Petrie (1998 HW101) is a main-belt asteroid discovered on April 28 1998 by J. Broughton at Reedy Creek.

apoapsis (km)
3.494e+11
orbital period (μ)
1.04004e+08
periapsis (km)
3.13193e+11
absolute magnitude
14.6
discovery date
1998-04-28
discoverer
John Broughton
epoch
May 14 2008
former name
1998 HW101

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