Exoplanet
K2-178 b
700.43 light-years
- Discovery
- Transit · 2018
- Radius
- 3.5579 (+0.2041 / −0.1381) Earth radii
- Mass
- 12.4 Earth masses
- Orbital period
- 8.7478 (+3.63 × 10⁻⁴ / −3.58 × 10⁻⁴) days
- Semi-major axis
- Unknown
- Equilibrium temperature
- 840.29 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