Exoplanet
K2-126 b
335.79 light-years
- Discovery
- Transit · 2017
- Radius
- 1.97 (+0.12 / −0.12) Earth radii
- Mass
- 4.54 Earth masses
- Orbital period
- 7.3857 (+5.01 × 10⁻⁴ / −5.09 × 10⁻⁴) days
- Semi-major axis
- 0.0656 (+4 × 10⁻⁴ / −4 × 10⁻⁴) AU
- Equilibrium temperature
- 601 (+13 / −13) 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