Exoplanet
K2-188 c
1,457.34 light-years
- Discovery
- Transit · 2018
- Radius
- 2.83 (+0.15 / −0.15) Earth radii
- Mass
- 8.4 Earth masses
- Orbital period
- 7.8103 (+8.46 × 10⁻⁴ / −8.44 × 10⁻⁴) days
- Semi-major axis
- 0.0785 (+8 × 10⁻⁴ / −8 × 10⁻⁴) AU
- Equilibrium temperature
- 1,026 (+20 / −20) 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