Exoplanet · Tau Ceti
tau Cet g
Orbit0.13 AU
Year20 days
Mass≥ 1.75 M⊕
Temperature~640 K (estimated)
It circles Tau Ceti once every 20 days, 0.13 AU out: about 2.9 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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