Exoplanet · Groombridge 34
GJ 15 A b
Orbit0.072 AU
Year11.4 days
Mass≥ 3.03 M⊕
Temperature~550 K (estimated)
It circles Groombridge 34 once every 11.4 days, 0.072 AU out: about 5.4 times closer than Mercury is to the Sun.
Found in 2014 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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