Exoplanet
Kepler-291 b
5,826.72 light-years
- Discovery
- Transit · 2014
- Radius
- 2.16 (+0.94 / −0.94) Earth radii
- Mass
- 5.31 Earth masses
- Orbital period
- 3.5465 (+1.6 × 10⁻⁵ / −1.6 × 10⁻⁵) days
- Semi-major axis
- 0.047 AU
- Equilibrium temperature
- 1,212 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