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Exoplanet

HD 69830 c

40.96 light-years

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Discovery
Radial Velocity · 2006
Radius
3.46 Earth radii
Mass
11.8 Earth masses
Orbital period
31.56 (+0.04 / −0.04) days
Semi-major axis
0.186 AU
Equilibrium temperature
567.04 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