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Public Universe

Exoplanet

GJ 27.1 b

76.99 light-years

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Discovery
Radial Velocity · 2014
Radius
3.66 Earth radii
Mass
13 (+4.1 / −6.6) Earth masses
Orbital period
15.819 (+0.023 / −0.026) days
Semi-major axis
0.101 (+9 × 10⁻³ / −0.013) AU
Equilibrium temperature
387.13 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