Exoplanet
HD 221585 b
182.17 light-years
- Discovery
- Radial Velocity · 2016
- Radius
- 13.5 Earth radii
- Mass
- 511.7063 (+44.4962 / −44.4962) Earth masses
- Orbital period
- 1,173 (+16 / −16) days
- Semi-major axis
- 2.306 (+0.081 / −0.081) AU
- Equilibrium temperature
- 242.77 (+4.77 / −4.77) 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