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HD 114762 b
HD 114762 b (nicknamed Latham's Planet) is a massive gaseous〔〔 extrasolar planet,〔 approximately away in the constellation of Coma Berenices.〔〔 This optically undetected companion to the late F-type main-sequence star HD 114762 was discovered in 1989 by Latham, ''et al''.,〔 and confirmed in 1991 by Cochran, ''et al''.〔 Depending on inclination angle its lowest possible mass is 11 times Jupiter, and its highest mass around 145 times Jupiter. may be the first extrasolar planet ever detected, predating the 1992 pulsar planets found around PSR B1257+12 and main-sequence yellow dwarf 51 Pegasi.〔〔 The companion orbits its star every 83.9 days and has an orbital eccentricity of 0.34;〔 for comparison, this orbit is similar to that of Mercury but with twice the eccentricity.〔
== See also ==
* 51 Pegasi b
* Gamma Cephei Ab
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