New Dwarf Planet Discovered In Outer Solar System

astroengine quotes a report from Seeker: Astronomers have found another Pluto-like dwarf planet located about 20 times farther away from the sun than Neptune. The small planet, dubbed 2015 RR245, is estimated to be about 435 miles in diameter and flying in an elliptical, 700-year orbit around the sun. At closest approach, RR245 will be about 3.1 billion miles from the sun, a milestone it is expected to next reach in 2096. At its most distant point, the icy world is located about 7.5 billion miles away. It was found by a joint team of astronomers using the Canada-France-Hawaii Telescope (CFHT) on Maunakea, Hawaii, in images taken in September 2015 and analyzed in February. The discovery was announced on Monday in the Minor Planet Electronic Circular.


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