Exoplanet
K2-22 b
795.29 light-years
- Discovery
- Transit · 2015
- Radius
- 2.3 (+0.1 / −0.1) Earth radii
- Mass
- < 444.962 Earth masses
- Orbital period
- 0.3811 (+2.4 × 10⁻⁵ / −2.4 × 10⁻⁵) days
- Semi-major axis
- 9 × 10⁻³ (+0 / −0) AU
- Equilibrium temperature
- 2,100 K
- Mass provenance
- Mass
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