47 Ursae Majoris d

47 Ursae Majoris d (sometimes abbreviated 47 Uma d) is an extrasolar planet approximately 46 light-years away in the constellation of Ursa Major. The planet was discovered located in a long-period orbit (38 years) around the star 47 Ursae Majoris. As of 2011, it is the outermost of three known planets in its planetary system. It has a mass of at least 1.64 times that of Jupiter. It is the longest-period planet detected by Doppler spectroscopy. The evidence of this planet was found by Bayesian Kepler periodogram in March 2010.
==See also==
*47 Ursae Majoris in fiction
==References==
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Category:47 Ursae Majoris
Category:Exoplanets discovered in 2010
Category:Gas giants
Category:Exoplanets detected by radial velocity