Exoplanet
Kepler-397 c
3,160.46 light-years
- Discovery
- Transit · 2014
- Radius
- 6.18 (+0.56 / −0.56) Earth radii
- Mass
- 31.6 Earth masses
- Orbital period
- 135.4985 (+6.68 × 10⁻⁴ / −6.68 × 10⁻⁴) days
- Semi-major axis
- 0.48 AU
- Equilibrium temperature
- 295 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