DENIS-P J082303.1-491201 b (or alias 2MASS J08230313-4912012 b) is an exoplanet (extrasolar planet) / brown dwarf orbiting DENIS-P J082303.1-491201 an L1.5-type brown dwarf. As of March 2014 DENIS-P J082303.1-491201 b with a mass of nearly 29 Jupiter masses is listed as the most massive exoplanet so far discovered.
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