Exoplanet
HD 30177 b
181.3 light-years
- Discovery
- Radial Velocity · 2002
- Radius
- 12.6 Earth radii
- Mass
- 2,622.0844 (+333.7198 / −270.1541) Earth masses
- Orbital period
- 2,539 (+1 / −3) days
- Semi-major axis
- 3.49 (+0.18 / −0.14) AU
- Equilibrium temperature
- 148 (+4.44 / −4.44) K
- Mass provenance
- Mass
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