Exoplanet
K2-339 b
1,175.34 light-years
- Discovery
- Transit · 2021
- Radius
- 1.92 (+0.19 / −0.12) Earth radii
- Mass
- 4.35 Earth masses
- Orbital period
- 19.5074 (+1.16 × 10⁻⁴ / −1.13 × 10⁻⁴) days
- Semi-major axis
- Unknown
- Equilibrium temperature
- 508 (+12 / −12) 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