Tags: Planet.

4580 Child (1989 EF) is a main-belt asteroid discovered on March 4 1989 by Eleanor F. Helin at Palomar Observatory.

apoapsis (km)
4.35629e+11
orbital period (μ)
1.35133e+08
periapsis (km)
3.53201e+11
absolute magnitude
11.8
discovery date
1989-03-04
discoverer
Eleanor F. Helin
epoch
May 14 2008
former name
1989 EF

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