Exoplanet
K2-331 c
689.59 light-years
- Discovery
- Transit · 2021
- Radius
- 2.72 (+0.14 / −0.1) Earth radii
- Mass
- 7.85 Earth masses
- Orbital period
- 22.9966 (+1.848 × 10⁻³ / −1.859 × 10⁻³) days
- Semi-major axis
- Unknown
- Equilibrium temperature
- 673 (+12 / −11) K
- Mass provenance
- M-R relationship
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