Exoplanet
Kepler-38 b
3,831 light-years
- Discovery
- Transit · 2012
- Radius
- 4.3 (+0.11 / −0.11) Earth radii
- Mass
- < 122 Earth masses
- Orbital period
- 105.599 (+0.038 / −0.053) days
- Semi-major axis
- 0.4632 (+8.2 × 10⁻³ / −9.2 × 10⁻³) AU
- Equilibrium temperature
- 475 K
- Mass provenance
- Mass
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