Exoplanet
HD 220197 b
210.08 light-years
- Discovery
- Radial Velocity · 2018
- Radius
- 9.32 Earth radii
- Mass
- 63.566 (+22.2481 / −12.7132) Earth masses
- Orbital period
- 1,728 (+162 / −80) days
- Semi-major axis
- 2.729 (+0.168 / −0.085) AU
- Equilibrium temperature
- 164.22 (+4.18 / −4.18) 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