Exoplanet
Kepler-663 b
3,467.34 light-years
- Discovery
- Transit · 2016
- Radius
- 2.6 (+0.2 / −0.16) Earth radii
- Mass
- 7.27 Earth masses
- Orbital period
- 4.9968 (+1.448 × 10⁻⁵ / −1.448 × 10⁻⁵) days
- Semi-major axis
- 0.0559 AU
- Equilibrium temperature
- 917 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