Exoplanet
K2-13 b
1,116.74 light-years
- Discovery
- Transit · 2015
- Radius
- 1.89 (+0.95 / −0.95) Earth radii
- Mass
- 4.23 Earth masses
- Orbital period
- 39.9149 (+0.3248 / −0.3248) days
- Semi-major axis
- 0.2114 (+6.1 × 10⁻³ / −6.1 × 10⁻³) AU
- Equilibrium temperature
- 511 (+126 / −126) 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