Exoplanet
Kepler-1660 AB b
3,876.5 light-years
- Discovery
- Eclipse Timing Variations · 2023
- Radius
- 12.9 Earth radii
- Mass
- 1,586.5994 (+73.1005 / −73.1005) Earth masses
- Orbital period
- 239.5044 (+0.0686 / −0.0686) days
- Semi-major axis
- 0.8 (+5 × 10⁻³ / −5 × 10⁻³) AU
- Equilibrium temperature
- 415.08 (+11.22 / −11.22) 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