Exoplanet · Gliese 876
GJ 876 d
Orbit0.021 AU
Year1.94 days
Mass~6.83 M⊕
Temperature~603 K (estimated)
It circles Gliese 876 once every 1.94 days, 0.021 AU out: about 19 times closer than Mercury is to the Sun.
Found in 2005 by the radial velocity method, which measures the star's wobble. That gives a minimum mass, so it could be heavier.
Sources
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