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Exoplanet

HD 13189 b

1,623.68 light-years

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Discovery
Radial Velocity · 2005
Radius
12.4 Earth radii
Mass
3,480.2385 (+928.0636 / −928.0636) Earth masses
Orbital period
471.6 (+6 / −6) days
Semi-major axis
1.25 (+0.08 / −0.08) AU
Equilibrium temperature
1,115.98 (+79.35 / −79.35) 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