Tags: Planet.

8021 Walter (1990 UO2) is a main-belt asteroid discovered on October 22 1990 by C. S. Shoemaker and D. H. Levy at Palomar Observatory.

apoapsis (km)
4.33806e+11
orbital period (μ)
1.15079e+08
periapsis (km)
2.75028e+11
absolute magnitude
12.8
discovery date
1990-10-22
discoverer
Carolyn S. Shoemaker, David H. Levy
epoch
May 14 2008
former name
1990 UO2

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