Tags: Planet.

4645 Tentaikojo (1990 SP4) is a main-belt asteroid discovered on September 16 1990 by Tetsuya Fujii and Kazuro Watanabe at Kitami Observatory.

apoapsis (km)
4.5324e+11
orbital period (μ)
1.37803e+08
periapsis (km)
3.4608e+11
absolute magnitude
12.0
albedo
0.1622
discovery date
1990-09-16
discoverer
Kazuro Watanabe, Tetsuya_Fujii
epoch
May 14 2008
former name
1990 SP4

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