Tags: Planet.

5461 Autumn (1983 HB1) is a main-belt asteroid discovered on April 18 1983 by N. G. Thomas at the Lowell Observatory’s Anderson Mesa Station.

apoapsis (km)
5.40901e+11
orbital period (μ)
1.76263e+08
periapsis (km)
4.00961e+11
absolute magnitude
11.3
albedo
0.0986
discovery date
1983-04-18
discoverer
Norman G. Thomas
epoch
May 14 2008
former name
1983 HB1

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