Exoplanet
K2-39 b
1,002.83 light-years
- Discovery
- Transit · 2016
- Radius
- 6.277 (+1.6814 / −1.6814) Earth radii
- Mass
- 28.6047 (+15.8915 / −15.8915) Earth masses
- Orbital period
- 4.6054 (+4.6 × 10⁻⁴ / −4.6 × 10⁻⁴) days
- Semi-major axis
- 0.0571 (+9.8 × 10⁻⁴ / −9.8 × 10⁻⁴) AU
- Equilibrium temperature
- 1,670 (+54 / −54) 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