Exoplanet
K2-308 b
4,287.42 light-years
- Discovery
- Transit · 2019
- Radius
- 9.916 (+0.985 / −0.985) Earth radii
- Mass
- 70.6 Earth masses
- Orbital period
- 3.3863 (+2 × 10⁻⁵ / −2 × 10⁻⁵) days
- Semi-major axis
- Unknown
- Equilibrium temperature
- 1,213.76 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