Exoplanet
Kepler-1228 b
1,681.18 light-years
- Discovery
- Transit · 2016
- Radius
- 1.54 (+0.11 / −0.14) Earth radii
- Mass
- 2.99 Earth masses
- Orbital period
- 0.5774 (+4.09 × 10⁻⁷ / −4.09 × 10⁻⁷) days
- Semi-major axis
- 0.0119 (+3 × 10⁻⁵ / −3 × 10⁻⁵) AU
- Equilibrium temperature
- 1,757 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