Exoplanet
HD 222155 b
165.06 light-years
- Discovery
- Radial Velocity · 2011
- Radius
- 13.4 Earth radii
- Mass
- 581.626 (+111.2399 / −82.6354) Earth masses
- Orbital period
- 3,999 (+500 / −500) days
- Semi-major axis
- 5.14 (+0.46 / −0.46) AU
- Equilibrium temperature
- 164.93 (+7.7 / −7.7) 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