130 Elektra is a very large outer main belt asteroid. It has probably a Ceres-like composition.
It was discovered by C. H. F. Peters on February 17, 1873 and named after Electra, a revenger in Greek mythology.
In 2003, a small moon of Elektra was detected from Keck II telescope. The diametre of the satellite is 4 km and it orbits at a distance of about 1170 km. The satellite received the provisional designation S/2003 (130) 1. It will eventually receive an official name.
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