Exoplanet
Kepler-31 c
5,429.33 light-years
- Discovery
- Transit · 2011
- Radius
- 5.3 (+1.1 / −1.1) Earth radii
- Mass
- < 1,493.7 Earth masses
- Orbital period
- 42.6318 (+5 × 10⁻⁴ / −5 × 10⁻⁴) days
- Semi-major axis
- 0.26 AU
- Equilibrium temperature
- 615 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