Exoplanet
Kepler-438 b
639.08 light-years
- Discovery
- Transit · 2015
- Radius
- 1.12 (+0.16 / −0.17) Earth radii
- Mass
- 1.46 Earth masses
- Orbital period
- 35.2332 (+2.5 × 10⁻⁴ / −2.9 × 10⁻⁴) days
- Semi-major axis
- 0.166 (+0.051 / −0.042) AU
- Equilibrium temperature
- 288 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