One of the major satellites of Uranus. Its radius is 761.4 km; mass 30.14 × 1020 kg; mean density 1630 kg/m3; albedo 0.24. The surface is extensively cratered, the craters being surrounded by bright ejecta. Near the centre of Oberon there is a large crater with a bright central outcrop and background of dark material.
Subjects: Astronomy and Astrophysics — Earth Sciences and Geography.