Exoplanet
Kepler-209 b
1,881.75 light-years
- Discovery
- Transit · 2014
- Radius
- 2.26 (+0.34 / −0.34) Earth radii
- Mass
- 5.73 Earth masses
- Orbital period
- 16.0878 (+4.1 × 10⁻⁵ / −4.1 × 10⁻⁵) days
- Semi-major axis
- 0.122 AU
- Equilibrium temperature
- 668 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