Exoplanet
K2-5 b
661.91 light-years
- Discovery
- Transit · 2015
- Radius
- 1.91 (+0.44 / −0.44) Earth radii
- Mass
- 4.31 Earth masses
- Orbital period
- 5.7359 (+6.4 × 10⁻⁴ / −6.4 × 10⁻⁴) days
- Semi-major axis
- 0.0532 (+3.8 × 10⁻³ / −3.8 × 10⁻³) AU
- Equilibrium temperature
- 565 (+84 / −84) 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