Tags: Planet.

4498 Shinkoyama (1989 AG1) is a main-belt asteroid discovered on January 5 1989 by Tsutomu Seki at Geisei.

apoapsis (km)
5.0282e+11
orbital period (μ)
1.63975e+08
periapsis (km)
3.94743e+11
absolute magnitude
11.1
discovery date
1989-01-05
discoverer
Tsutomu Seki
epoch
May 14 2008
former name
1989 AG1

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