Exoplanet
Kepler-646 b
1,473.55 light-years
- Discovery
- Transit · 2016
- Radius
- 1.99 (+0.37 / −0.19) Earth radii
- Mass
- 4.62 Earth masses
- Orbital period
- 15.8736 (+4.3 × 10⁻⁵ / −4.3 × 10⁻⁵) days
- Semi-major axis
- 0.1125 (+4.9 × 10⁻⁴ / −4.9 × 10⁻⁴) AU
- Equilibrium temperature
- 632 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