Exoplanet
HD 211970 b
42.82 light-years
- Discovery
- Radial Velocity · 2019
- Radius
- 3.66 Earth radii
- Mass
- 13 (+2.5 / −2.5) Earth masses
- Orbital period
- 25.201 (+0.025 / −0.025) days
- Semi-major axis
- 0.143 (+3 × 10⁻³ / −3 × 10⁻³) AU
- Equilibrium temperature
- 398.77 (+16.98 / −16.98) 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