Exoplanet
Kepler-81 c
1,135.97 light-years
- Discovery
- Transit · 2012
- Radius
- 2.37 (+0.37 / −0.37) Earth radii
- Mass
- 4.3 (+2.7 / −1.8) Earth masses
- Orbital period
- 12.04 days
- Semi-major axis
- 0.0835 (+3.53 × 10⁻³ / −3.53 × 10⁻³) AU
- Equilibrium temperature
- 502 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