Tags: Planet.

7871 Tunder (1990 SW4) is a main-belt asteroid discovered on September 22 1990 by E. W. Elst at La Silla.

apoapsis (km)
3.79641e+11
orbital period (μ)
1.13096e+08
periapsis (km)
3.21029e+11
absolute magnitude
13.9
discovery date
1990-09-22
discoverer
Eric Walter Elst
epoch
May 14 2008
former name
1990 SW4

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