Tags: Planet.

3221 Changshi (1981 XF2) is a main-belt asteroid discovered on December 2 1981 by Purple Mountain Observatory at Nanking.

apoapsis (km)
3.80444e+11
orbital period (μ)
1.03284e+08
periapsis (km)
2.79086e+11
absolute magnitude
13.3
discovery date
1981-12-02
discoverer
Purple Mountain Observatory
epoch
May 14 2008
former name
1981 XF2

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