Tags: Planet.

4290 Heisei (1989 UK3) is a main-belt asteroid discovered on October 30 1989 by Tsutomu Seki at Geisei.

apoapsis (km)
4.96611e+11
orbital period (μ)
1.65839e+08
periapsis (km)
4.07742e+11
absolute magnitude
11.5
discovery date
1989-10-30
discoverer
Tsutomu Seki
epoch
May 14 2008
former name
1989 UK3

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