Exoplanet
Kepler-391 b
2,835.07 light-years
- Discovery
- Transit · 2014
- Radius
- 2.5 (+0.29 / −0.29) Earth radii
- Mass
- < 1,100 Earth masses
- Orbital period
- 7.4175 (+2.7 × 10⁻³ / −3.7 × 10⁻³) days
- Semi-major axis
- 0.083 (+0.012 / −0.013) AU
- Equilibrium temperature
- 930 (+37 / −140) 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