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Public Universe

Exoplanet

HD 5608 b

189.53 light-years

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Discovery
Radial Velocity · 2012
Radius
13.7 Earth radii
Mass
371.2236 (+19.7054 / −18.1162) Earth masses
Orbital period
768.7 (+4.72 / −1.67) days
Semi-major axis
1.79 (+7 × 10⁻³ / −3 × 10⁻³) AU
Equilibrium temperature
403.72 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