Exoplanet
HD 220842 b
210.86 light-years
- Discovery
- Radial Velocity · 2016
- Radius
- 13.1 Earth radii
- Mass
- 1,010.6994 (+47.6745 / −47.6745) Earth masses
- Orbital period
- 218.47 (+0.19 / −0.19) days
- Semi-major axis
- 0.74 (+0.018 / −0.018) AU
- Equilibrium temperature
- 397.62 (+6.72 / −6.72) 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