Tags: Planet.

4223 Shikoku (1988 JM) is a main-belt asteroid discovered on May 7 1988 by Tsutomu Seki at Geisei.

apoapsis (km)
4.98578e+11
orbital period (μ)
1.64463e+08
periapsis (km)
4.00767e+11
absolute magnitude
11.3
discovery date
1988-05-07
discoverer
Tsutomu Seki
epoch
May 14 2008
former name
1988 JM

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