Exoplanet
Kepler-640 b
1,819.26 light-years
- Discovery
- Transit · 2016
- Radius
- 2.56 (+0.08 / −0.22) Earth radii
- Mass
- 7.08 Earth masses
- Orbital period
- 22.2481 (+3.515 × 10⁻⁵ / −3.515 × 10⁻⁵) days
- Semi-major axis
- 0.1542 (+1.89 × 10⁻³ / −1.89 × 10⁻³) AU
- Equilibrium temperature
- 609 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