Exoplanet
Kepler-669 b
6,729.94 light-years
- Discovery
- Transit · 2016
- Radius
- 4.83 (+1.28 / −0.55) Earth radii
- Mass
- 20.8 Earth masses
- Orbital period
- 4.1255 (+3.102 × 10⁻⁶ / −3.102 × 10⁻⁶) days
- Semi-major axis
- 0.0529 AU
- Equilibrium temperature
- 1,243 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