Exoplanet
Kepler-128 b
1,292.82 light-years
- Discovery
- Transit · 2013
- Radius
- 1.421 (+0.04 / −0.04) Earth radii
- Mass
- 3.79 (+0.76 / −0.66) Earth masses
- Orbital period
- 15 days
- Semi-major axis
- 0.1255 (+2.06 × 10⁻³ / −2.06 × 10⁻³) AU
- Equilibrium temperature
- 968 K
- Mass provenance
- Mass
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