Tags: Planet.

4771 Hayashi (1989 RM2) is a main-belt asteroid discovered on September 7 1989 by Yanai and Watanabe at Kitami Observatory.

apoapsis (km)
4.63848e+11
orbital period (μ)
1.3896e+08
periapsis (km)
3.39938e+11
absolute magnitude
12.6
discovery date
1989-09-07
discoverer
Yanai Yamaguchi, Kazuro Watanabe
epoch
May 14 2008
former name
1989 RM2

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