47 Ursae Majoris d
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47 Ursae Majoris 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 around the star 47 Ursae Majoris. It is currently the outermost known planet in its planetary system. Its orbit lasts 38 years and the planet has mass 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.
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