Exoplanet
Kepler-289 e
2,297.57 light-years
- Discovery
- Transit · 2025
- Radius
- 2.94 (+0.46 / −0.38) Earth radii
- Mass
- 17.4 (+1.3 / −1.2) Earth masses
- Orbital period
- 330.0716 (+6.3 × 10⁻³ / −6.3 × 10⁻³) days
- Semi-major axis
- 0.9342 AU
- Equilibrium temperature
- 286 K
- Mass provenance
- Mass
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