Exoplanet
K2-80 b
654.93 light-years
- Discovery
- Transit · 2016
- Radius
- 2.01 (+0.3 / −0.3) Earth radii
- Mass
- 4.7 Earth masses
- Orbital period
- 19.0918 (+6.4 × 10⁻³ / −6.4 × 10⁻³) days
- Semi-major axis
- 0.135 (+4 × 10⁻³ / −4 × 10⁻³) AU
- Equilibrium temperature
- 666.05 (+49.92 / −49.92) 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