Tags: Planet.

2290 Helffrich (1932 CD1) is a main-belt asteroid discovered on February 14 1932 by Reinmuth K. at Heidelberg.

apoapsis (km)
4.78631e+11
orbital period (μ)
1.31555e+08
periapsis (km)
2.96339e+11
absolute magnitude
12.2
discovery date
1932-02-14
discoverer
Karl Wilhelm Reinmuth
epoch
May 14 2008
former name
1932 CD1

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