Exoplanet
HD 8574 b
146.2 light-years
- Discovery
- Radial Velocity · 2002
- Radius
- 13.4 Earth radii
- Mass
- 645.1949 (+44.4962 / −44.4962) Earth masses
- Orbital period
- 227 (+0.2 / −0.2) days
- Semi-major axis
- 0.76 (+0.01 / −0.01) AU
- Equilibrium temperature
- 394.03 (+3.96 / −3.96) 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