Exoplanet
Kepler-51 b
2,556.51 light-years
- Discovery
- Transit · 2012
- Radius
- 7.1 (+0.3 / −0.3) Earth radii
- Mass
- 2.1 (+1.5 / −0.8) Earth masses
- Orbital period
- 45.154 (+2 × 10⁻⁴ / −2 × 10⁻⁴) days
- Semi-major axis
- 0.2514 (+9.7 × 10⁻³ / −9.7 × 10⁻³) AU
- Equilibrium temperature
- 543 (+11 / −11) 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