Exoplanet
Kepler-457 d
3,497.37 light-years
- Discovery
- Transit · 2021
- Radius
- 2.9847 Earth radii
- Mass
- 9.19 Earth masses
- Orbital period
- 10.6906 days
- Semi-major axis
- 0.0996 AU
- Equilibrium temperature
- 1,008 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