Exoplanet
Kepler-1398 b
2,779.52 light-years
- Discovery
- Transit · 2016
- Radius
- 0.9 (+0.28 / −0.12) Earth radii
- Mass
- 0.666 Earth masses
- Orbital period
- 2.7882 (+2.021 × 10⁻⁵ / −2.021 × 10⁻⁵) days
- Semi-major axis
- 0.0391 (+3.7 × 10⁻⁴ / −3.7 × 10⁻⁴) AU
- Equilibrium temperature
- 1,510 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