Tags: Planet.

6639 Marchis (1989 SO8) is a main-belt asteroid discovered on September 25 1989 by H. Debehogne at La Silla.

apoapsis (km)
5.37052e+11
orbital period (μ)
1.7774e+08
periapsis (km)
4.10065e+11
absolute magnitude
12.4
discovery date
1989-09-25
discoverer
Henri Debehogne
epoch
May 14 2008
former name
1989 SO8

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