Exoplanet
K2-117 b
331.48 light-years
- Discovery
- Transit · 2017
- Radius
- 2.03 (+0.1 / −0.1) Earth radii
- Mass
- 4.78 Earth masses
- Orbital period
- 1.2916 (+4.9 × 10⁻⁵ / −5.1 × 10⁻⁵) days
- Semi-major axis
- 0.0189 (+1 × 10⁻⁴ / −1 × 10⁻⁴) AU
- Equilibrium temperature
- 868 (+14 / −14) 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