Tags: Planet.

11521 Erikson (1991 GE9) is a main-belt asteroid discovered on April 10 1991 by E. W. Elst at the European Southern Observatory.

apoapsis (km)
5.51583e+11
orbital period (μ)
1.76324e+08
periapsis (km)
3.90497e+11
absolute magnitude
13.4
discovery date
1991-04-10
discoverer
Eric Walter Elst
epoch
May 14 2008
former name
1991 GE9

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