Exoplanet
Kepler-440 b
981.83 light-years
- Discovery
- Transit · 2015
- Radius
- 1.86 (+0.24 / −0.19) Earth radii
- Mass
- 4.12 Earth masses
- Orbital period
- 101.1114 (+8.7 × 10⁻⁴ / −6.8 × 10⁻⁴) days
- Semi-major axis
- 0.242 (+0.066 / −0.041) AU
- Equilibrium temperature
- 229 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