Exoplanet
Kepler-1391 b
3,386.64 light-years
- Discovery
- Transit · 2016
- Radius
- 1.68 (+0.26 / −0.18) Earth radii
- Mass
- 3.46 Earth masses
- Orbital period
- 54.4092 (+5.236 × 10⁻⁴ / −5.236 × 10⁻⁴) days
- Semi-major axis
- 0.3005 (+3.86 × 10⁻³ / −3.86 × 10⁻³) AU
- Equilibrium temperature
- 513 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