Exoplanet
Kepler-39 b
3,448.81 light-years
- Discovery
- Transit · 2011
- Radius
- 13.9 (+1.01 / −1.12) Earth radii
- Mass
- 6,388.1 (+413.2 / −381.4) Earth masses
- Orbital period
- 21.0872 (+3.7 × 10⁻⁵ / −3.7 × 10⁻⁵) days
- Semi-major axis
- 0.164 (+3 × 10⁻³ / −3 × 10⁻³) AU
- Equilibrium temperature
- 897 (+29 / −29) 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