Exoplanet · Luyten's Star
GJ 273 b
Orbit0.091 AU
Year18.6 days
Mass≥ 2.89 M⊕
Temperature~292 K (estimated)
It circles Luyten's Star once every 18.6 days, 0.091 AU out: about 4.2 times closer than Mercury is to the Sun.
Found in 2017 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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