Exoplanet
Kepler-109 c
1,548.79 light-years
- Discovery
- Transit · 2014
- Radius
- 2.65 (+0.12 / −0.12) Earth radii
- Mass
- < 8.2 Earth masses
- Orbital period
- 21.2227 (+2.7 × 10⁻⁵ / −2.7 × 10⁻⁵) days
- Semi-major axis
- 0.1546 (+4.2 × 10⁻³ / −4.2 × 10⁻³) AU
- Equilibrium temperature
- 859 (+16 / −16) 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