Exoplanet
Kepler-309 c
1,776.14 light-years
- Discovery
- Transit · 2014
- Radius
- 2.51 (+0.18 / −0.18) Earth radii
- Mass
- 6.85 Earth masses
- Orbital period
- 105.3564 (+8.57 × 10⁻⁴ / −8.57 × 10⁻⁴) days
- Semi-major axis
- 0.401 AU
- Equilibrium temperature
- 204 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