Exoplanet
K2-198 d
360.62 light-years
- Discovery
- Transit · 2019
- Radius
- 2.438 (+0.13 / −0.056) Earth radii
- Mass
- 6.52 Earth masses
- Orbital period
- 7.45 (+5.2 × 10⁻⁶ / −2.6 × 10⁻⁶) days
- Semi-major axis
- Unknown
- Equilibrium temperature
- 943.2 (+24.7 / −12.2) 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