Exoplanet
Kepler-688 b
4,428.39 light-years
- Discovery
- Transit · 2016
- Radius
- 9.76 (+1.76 / −0.97) Earth radii
- Mass
- 68.7 Earth masses
- Orbital period
- 3.8959 (+8.01 × 10⁻⁷ / −8.01 × 10⁻⁷) days
- Semi-major axis
- 0.046 AU
- Equilibrium temperature
- 1,005 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