Tags: Planet.

4574 Yoshinaka (1986 YB) is a main-belt asteroid discovered on December 20 1986 by Tsuneo Niijima and Takeshi Urata at Ojima.

apoapsis (km)
4.9245e+11
orbital period (μ)
1.64125e+08
periapsis (km)
4.05662e+11
absolute magnitude
11.6
discovery date
1986-12-20
discoverer
Takeshi Urata, Tsuneo Niijima
epoch
May 14 2008
former name
1986 YB

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