Exoplanet
K2-122 b
234.98 light-years
- Discovery
- Transit · 2017
- Radius
- 1.16 (+0.1 / −0.05) Earth radii
- Mass
- 1.65 Earth masses
- Orbital period
- 2.2193 (+2 × 10⁻⁶ / −2 × 10⁻⁶) days
- Semi-major axis
- 0.0373 (+3.8 × 10⁻³ / −9.5 × 10⁻³) AU
- Equilibrium temperature
- 769 (+20 / −37) 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