Exoplanet
Kepler-1388 d
1,480.08 light-years
- Discovery
- Transit · 2016
- Radius
- 2.86 (+0.12 / −0.19) Earth radii
- Mass
- 8.55 Earth masses
- Orbital period
- 20.9568 (+1.713 × 10⁻⁴ / −1.713 × 10⁻⁴) days
- Semi-major axis
- 0.126 AU
- Equilibrium temperature
- 363 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