Exoplanet
Kepler-645 b
3,827.67 light-years
- Discovery
- Transit · 2016
- Radius
- 2.1 (+0.63 / −0.28) Earth radii
- Mass
- 5.06 Earth masses
- Orbital period
- 3.2758 (+4.771 × 10⁻⁶ / −4.771 × 10⁻⁶) days
- Semi-major axis
- 0.0454 (+5.4 × 10⁻⁴ / −5.4 × 10⁻⁴) AU
- Equilibrium temperature
- 1,730 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