Exoplanet
Kepler-408 b
289.57 light-years
- Discovery
- Transit · 2014
- Radius
- 0.82 (+0.03 / −0.03) Earth radii
- Mass
- < 5 Earth masses
- Orbital period
- 2.465 days
- Semi-major axis
- 0.0359 (+3.3 × 10⁻⁴ / −3.3 × 10⁻⁴) AU
- Equilibrium temperature
- 1,561 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