Exoplanet
Kepler-439 b
2,469.16 light-years
- Discovery
- Transit · 2015
- Radius
- 2.24 (+0.16 / −0.45) Earth radii
- Mass
- 5.65 Earth masses
- Orbital period
- 178.1396 (+1.6 × 10⁻³ / −1.8 × 10⁻³) days
- Semi-major axis
- 0.563 (+0.165 / −0.08) AU
- Equilibrium temperature
- 291 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