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Exoplanet

HD 41004 B b

135.52 light-years

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Discovery
Radial Velocity · 2003
Radius
12.1 Earth radii
Mass
5,838.29 (+69.92 / −69.92) Earth masses
Orbital period
1.3283 (+1.2 × 10⁻⁵ / −1.2 × 10⁻⁵) days
Semi-major axis
Unknown
Equilibrium temperature
Unknown
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