Exoplanet
HD 564 b
166.88 light-years
- Discovery
- Radial Velocity · 2014
- Radius
- 12.5 Earth radii
- Mass
- 104.88 (+9.54 / −9.54) Earth masses
- Orbital period
- 492.3 (+2.3 / −2.3) days
- Semi-major axis
- 1.2 (+0.02 / −0.02) AU
- Equilibrium temperature
- 261.1 (+7.33 / −7.33) 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