Exoplanet
Kepler-421 b
1,136.84 light-years
- Discovery
- Transit · 2014
- Radius
- 4.16 (+0.19 / −0.16) Earth radii
- Mass
- 16.1 Earth masses
- Orbital period
- 704.1984 (+1.6 × 10⁻³ / −1.6 × 10⁻³) days
- Semi-major axis
- 1.219 (+0.089 / −0.089) AU
- Equilibrium temperature
- 185 (+9 / −5) 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