CoRoT-20c
CoRoT-20c is a brown dwarf-massed substellar companion found by the High [Accuracy Radial Velocity Planet Searcher|HARPS] radial-velocity search terrestrial telescope. It orbits CoRoT-20, a G-type [main sequence star|G2V star] in the constellation of Monoceros. It has an effective temperature of, a mass of 1.14, a radius of 0.92, and an above-solar metallicity. This is a young planet, with an estimated age between 0.06 and 0.14 Gyr.