Tags: Planet.

18838 Shannon (1999 OQ) is a main-belt asteroid discovered on July 18 1999 by L. Šarounová and Peter Kušnirák at the Ondřejov Observatory.

apoapsis (km)
4.6431e+11
orbital period (μ)
1.53133e+08
periapsis (km)
3.9324e+11
absolute magnitude
14.5
discovery date
1999-07-18
discoverer
Lenka Kotková, Peter Kušnirák
epoch
May 14 2008
former name
1999 OQ

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