Exoplanet
K2-289 b
894.65 light-years
- Discovery
- Transit · 2019
- Radius
- 9.1 (+0.3 / −0.3) Earth radii
- Mass
- 61 Earth masses
- Orbital period
- 13.157 (+4.7 × 10⁻⁵ / −5.1 × 10⁻⁵) days
- Semi-major axis
- 0.107 (+1 × 10⁻³ / −1 × 10⁻³) AU
- Equilibrium temperature
- 753 (+16 / −16) 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