Exoplanet
K2-389 b
845.42 light-years
- Discovery
- Transit · 2022
- Radius
- 2.33 (+0.12 / −0.06) Earth radii
- Mass
- 6.04 Earth masses
- Orbital period
- 8.5829 (+4.1 × 10⁻⁴ / −4.1 × 10⁻⁴) days
- Semi-major axis
- Unknown
- Equilibrium temperature
- 932 (+25 / −25) 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