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Exoplanet

HD 69830 d

40.96 light-years

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Discovery
Radial Velocity · 2006
Radius
4.45 Earth radii
Mass
18.1 Earth masses
Orbital period
197 (+3 / −3) days
Semi-major axis
0.63 AU
Equilibrium temperature
308.1 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