Exoplanet
K2-208 b
837.85 light-years
- Discovery
- Transit · 2018
- Radius
- 1.6746 (+0.1233 / −0.0919) Earth radii
- Mass
- 3.45 Earth masses
- Orbital period
- 4.191 (+2.3 × 10⁻⁴ / −2.3 × 10⁻⁴) days
- Semi-major axis
- 0.0488 (+8.2 × 10⁻⁴ / −7.9 × 10⁻⁴) AU
- Equilibrium temperature
- 1,122 (+15 / −14) 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