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Exoplanet

HD 191939 e

174.85 light-years

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Discovery
Radial Velocity · 2022
Radius
13 Earth radii
Mass
112.2 (+4 / −4) Earth masses
Orbital period
101.12 (+0.13 / −0.13) days
Semi-major axis
0.407 (+0.012 / −0.012) AU
Equilibrium temperature
390 (+8 / −8) 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