Exoplanet
Kepler-289 d
2,297.57 light-years
- Discovery
- Transit · 2014
- Radius
- 3.03 (+0.08 / −0.08) Earth radii
- Mass
- 5.33 (+0.43 / −0.42) Earth masses
- Orbital period
- 66.0282 (+4.4 × 10⁻³ / −3.9 × 10⁻³) days
- Semi-major axis
- 0.33 (+0.02 / −0.02) AU
- Equilibrium temperature
- 502.81 (+16.36 / −16.36) 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