Tags: Planet.

10304 Iwaki (1989 SY) is a main-belt asteroid discovered on September 30 1989 by K. Endate and K. Watanabe at Kitami.

apoapsis (km)
4.9275e+11
orbital period (μ)
1.29712e+08
periapsis (km)
2.74964e+11
absolute magnitude
13.4
discovery date
1989-09-30
discoverer
Kin Endate, Kazuro Watanabe
epoch
May 14 2008
former name
1989 SY

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