Exoplanet
Kepler-446 b
314.22 light-years
- Discovery
- Transit · 2015
- Radius
- 1.5 (+0.25 / −0.25) Earth radii
- Mass
- 2.86 Earth masses
- Orbital period
- 1.5654 (+3.3 × 10⁻⁶ / −3.3 × 10⁻⁶) days
- Semi-major axis
- 0.0182 AU
- Equilibrium temperature
- 648 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