Tags: Planet.

2186 Keldysh (1973 SQ4) is a main-belt asteroid discovered on September 27 1973 by L. I. Chernykh at the Crimean Astrophysical Observatory.

apoapsis (km)
4.41587e+11
orbital period (μ)
1.38487e+08
periapsis (km)
3.60373e+11
absolute magnitude
12.3
discovery date
1973-09-27
discoverer
Lyudmila Chernykh
epoch
May 14 2008
former name
1973 SQ4

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