Exoplanet · Gliese 251
GJ 251 b
Orbit0.081 AU
Year14.2 days
Mass≥ 3.85 M⊕
Temperature~336 K (estimated)
It circles Gliese 251 once every 14.2 days, 0.081 AU out: about 4.8 times closer than Mercury is to the Sun.
Found in 2020 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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