Exoplanet
Kepler-31 b
5,429.33 light-years
- Discovery
- Transit · 2011
- Radius
- 5.5 (+1.1 / −1.1) Earth radii
- Mass
- < 36.7418 Earth masses
- Orbital period
- 20.8613 (+2 × 10⁻⁴ / −2 × 10⁻⁴) days
- Semi-major axis
- 0.16 AU
- Equilibrium temperature
- 781 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