Exoplanet
Kepler-521 b
2,709.18 light-years
- Discovery
- Transit · 2016
- Radius
- 3.18 (+0.31 / −0.23) Earth radii
- Mass
- 10.2 Earth masses
- Orbital period
- 22.2081 (+4.013 × 10⁻⁵ / −4.013 × 10⁻⁵) days
- Semi-major axis
- 0.1712 (+1.03 × 10⁻³ / −1.03 × 10⁻³) AU
- Equilibrium temperature
- 803 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