Exoplanet
HD 216437 b
87.05 light-years
- Discovery
- Radial Velocity · 2002
- Radius
- 13 Earth radii
- Mass
- 1,334.8793 (+222.4799 / −222.4799) Earth masses
- Orbital period
- 1,359 (+1 / −1) days
- Semi-major axis
- 2.57 (+0.04 / −0.04) AU
- Equilibrium temperature
- 209.85 (+3.11 / −3.11) 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