Exoplanet
K2-31 b
360.49 light-years
- Discovery
- Transit · 2016
- Radius
- 11.8815 (+3.9232 / −3.9232) Earth radii
- Mass
- 563.8304 (+25.1086 / −25.1086) Earth masses
- Orbital period
- 1.2579 (+2 × 10⁻⁶ / −2 × 10⁻⁶) days
- Semi-major axis
- 0.022 (+1.8 × 10⁻³ / −1.8 × 10⁻³) AU
- Equilibrium temperature
- 1,688 (+47 / −47) 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