Tags: Planet.

21791 Mattweegman (1999 SR7) is a main-belt asteroid discovered on September 29 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.

apoapsis (km)
4.09086e+11
orbital period (μ)
1.15632e+08
periapsis (km)
3.02018e+11
absolute magnitude
14.4
discovery date
1999-09-29
discoverer
Lincoln Near-Earth Asteroid Research
epoch
May 14 2008
former name
1999 SR7

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