Tags: Planet.

4612 Greenstein (1989 JG) is a main-belt asteroid discovered on May 2 1989 by Eleanor F. Helin at Palomar.

apoapsis (km)
4.36454e+11
orbital period (μ)
1.28955e+08
periapsis (km)
3.28274e+11
absolute magnitude
12.5
discovery date
1989-05-02
discoverer
Eleanor F. Helin
epoch
May 14 2008
former name
1989 JG

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