Exoplanet
K2-8 c
1,316.08 light-years
- Discovery
- Transit · 2016
- Radius
- 2.41 (+0.33 / −0.33) Earth radii
- Mass
- 6.39 Earth masses
- Orbital period
- 5.0642 (+4.1 × 10⁻⁴ / −4.1 × 10⁻⁴) days
- Semi-major axis
- 0.0532 (+9 × 10⁻⁴ / −9 × 10⁻⁴) AU
- Equilibrium temperature
- 801 (+23 / −23) 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