Exoplanet
Kepler-228 d
5,364 light-years
- Discovery
- Transit · 2014
- Radius
- 4.04 (+1.85 / −1.85) Earth radii
- Mass
- 15.4 Earth masses
- Orbital period
- 11.0943 (+3.6 × 10⁻⁵ / −3.6 × 10⁻⁵) days
- Semi-major axis
- 0.101 AU
- Equilibrium temperature
- 835 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