Exoplanet
Kepler-122 d
3,351.09 light-years
- Discovery
- Transit · 2014
- Radius
- 2.2 (+0.44 / −0.44) Earth radii
- Mass
- 5.48 Earth masses
- Orbital period
- 21.5875 (+1.64 × 10⁻⁴ / −1.64 × 10⁻⁴) days
- Semi-major axis
- 0.155 AU
- Equilibrium temperature
- 747 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