Exoplanet
HD 218566 b
94.02 light-years
- Discovery
- Radial Velocity · 2010
- Radius
- 9.32 Earth radii
- Mass
- 63.566 (+19.0698 / −19.0698) Earth masses
- Orbital period
- 225.7 (+0.4 / −0.4) days
- Semi-major axis
- 0.69 (+0.01 / −0.01) AU
- Equilibrium temperature
- 253.15 (+8.22 / −8.22) 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