Exoplanet
Kepler-121 b
1,665.1 light-years
- Discovery
- Transit · 2014
- Radius
- 2.34 (+1.27 / −1.27) Earth radii
- Mass
- 6.08 Earth masses
- Orbital period
- 3.1774 (+3 × 10⁻⁶ / −3 × 10⁻⁶) days
- Semi-major axis
- 0.039 AU
- Equilibrium temperature
- 997 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