Exoplanet
K2-189 c
789.67 light-years
- Discovery
- Transit · 2018
- Radius
- 2.31 (+0.14 / −0.05) Earth radii
- Mass
- 5.95 Earth masses
- Orbital period
- 6.6793 (+2.1 × 10⁻⁴ / −2.1 × 10⁻⁴) days
- Semi-major axis
- 0.068 (+7 × 10⁻⁴ / −7 × 10⁻⁴) AU
- Equilibrium temperature
- 877 (+24 / −24) 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