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Public Universe

Exoplanet

GJ 357 d

30.8 light-years

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Discovery
Radial Velocity · 2019
Radius
2.34 Earth radii
Mass
6.1 (+1 / −1) Earth masses
Orbital period
55.661 (+0.055 / −0.055) days
Semi-major axis
0.204 (+0.015 / −0.015) AU
Equilibrium temperature
219.6 (+5.9 / −5.9) K
Mass provenance
Msini

Measurements may come from different studies and need not form one self-consistent model. “Msini” is a minimum mass; a mass inferred from radius is an estimate. Equilibrium temperature is a model estimate, not a measured surface temperature or evidence of habitability.

NASA archive record and references ↗

Snapshot retrieved: 2026-10-11T04:15:07.688253+00:00