Exoplanet
Kepler-20 b
921.6 light-years
- Discovery
- Transit · 2011
- Radius
- 1.773 (+0.053 / −0.03) Earth radii
- Mass
- 9.7 (+1.3 / −1.3) Earth masses
- Orbital period
- 3.6961 (+1.6 × 10⁻⁶ / −1.6 × 10⁻⁶) days
- Semi-major axis
- 0.0457 (+8.9 × 10⁻⁴ / −8.9 × 10⁻⁴) AU
- Equilibrium temperature
- 1,187 (+16 / −16) 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