Exoplanet
Kepler-309 b
1,776.14 light-years
- Discovery
- Transit · 2014
- Radius
- 1.56 (+0.14 / −0.14) Earth radii
- Mass
- 3.05 Earth masses
- Orbital period
- 5.9237 (+2.8 × 10⁻⁵ / −2.8 × 10⁻⁵) days
- Semi-major axis
- 0.059 AU
- Equilibrium temperature
- 531 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