Exoplanet
Kepler-1389 b
1,621.3 light-years
- Discovery
- Transit · 2016
- Radius
- 1.77 (+0.05 / −0.14) Earth radii
- Mass
- 3.78 Earth masses
- Orbital period
- 99.2531 (+8.711 × 10⁻⁴ / −8.711 × 10⁻⁴) days
- Semi-major axis
- 0.3825 (+3.88 × 10⁻³ / −3.88 × 10⁻³) AU
- Equilibrium temperature
- 300 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