Exoplanet
Kepler-57 b
2,100.9 light-years
- Discovery
- Transit · 2012
- Radius
- 3.135 (+0.09 / −0.088) Earth radii
- Mass
- 25.06 (+5.16 / −4.91) Earth masses
- Orbital period
- 5.72 days
- Semi-major axis
- 0.0599 (+5.9 × 10⁻⁴ / −5.9 × 10⁻⁴) AU
- Equilibrium temperature
- 850 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