Exoplanet
gam Cep b
46 light-years
- Discovery
- Radial Velocity · 2003
- Radius
- 12.5 Earth radii
- Mass
- 2,987.587 (+222.4799 / −349.6112) Earth masses
- Orbital period
- 904 (+0.7 / −0.7) days
- Semi-major axis
- 1.978 (+7 × 10⁻³ / −7 × 10⁻³) AU
- Equilibrium temperature
- 356.44 (+3.75 / −3.75) 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