Exoplanet
Kepler-37 d
208.48 light-years
- Discovery
- Transit · 2013
- Radius
- 2.03 (+0.03 / −0.039) Earth radii
- Mass
- < 2 Earth masses
- Orbital period
- 39.7923 (+6.5 × 10⁻⁶ / −6.5 × 10⁻⁶) days
- Semi-major axis
- 0.2109 (+3 × 10⁻³ / −3 × 10⁻³) AU
- Equilibrium temperature
- 499 (+7 / −7) 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