Tags: Planet.

9589 Deridder (1990 WU5) is a main-belt asteroid discovered on November 21 1990 by E. W. Elst at the European Southern Observatory.

apoapsis (km)
4.10771e+11
orbital period (μ)
1.31868e+08
periapsis (km)
3.65427e+11
absolute magnitude
14.3
discovery date
1990-11-21
discoverer
Eric Walter Elst
epoch
May 14 2008
former name
1990 WU5

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