Exoplanet
K2-198 b
360.62 light-years
- Discovery
- Transit · 2018
- Radius
- 4.189 (+0.228 / −0.098) Earth radii
- Mass
- 16.3 Earth masses
- Orbital period
- 17.0429 (+7.1 × 10⁻⁶ / −3.5 × 10⁻⁶) days
- Semi-major axis
- Unknown
- Equilibrium temperature
- 715.8 (+18.72 / −9.26) 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