Tags: Planet.

21686 Koschny (1999 RB36) is a main-belt asteroid discovered on September 11 1999 by André Knöfel at Drebach.

apoapsis (km)
3.79085e+11
orbital period (μ)
1.08922e+08
periapsis (km)
3.04236e+11
absolute magnitude
16.1
discovery date
1999-09-11
discoverer
Andr%C3%A9_Kn%C3%B6fel
epoch
May 14 2008
former name
1999 RB36

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