Exoplanet
HD 4308 b
71.81 light-years
- Discovery
- Radial Velocity · 2005
- Radius
- 4.12 Earth radii
- Mass
- 15.8915 (+0 / −0) Earth masses
- Orbital period
- 15.56 (+0.02 / −0.02) days
- Semi-major axis
- 0.12 (+0 / −0) AU
- Equilibrium temperature
- 799.37 (+4.52 / −4.52) 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