790 Pretoria is a minor planet orbiting the Sun that was discovered by English astronomer Harry Edwin Wood on January 16 1912. It is a member of the Cybele group located beyond the core of the main belt (see Minor planet groups).10µ radiometric data collected from Kitt Peak in 1975 gave a diameter estimate of 175 km. In the present day it is estimated to be 170 km (106 mi) in diameter.
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