The gam Cep system contains 1 exoplanet. It is located 46.00 light years away from the solar system.
| Mass | 1.4 solar masses |
| Radius | 4.9 solar radiae |
| Temperature | 4888 kelvin |
| Stellar Metallicity | 0.18 decimal exponent |
| Age | 5.4 billion years |
At more than 50 Earth masses, gam Cep b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2987.587 Earth masses |
| Density | 8.410 grams per cubic centimeter |
| Radius | 12.500 Earth radiae |
| Semi-major Axis | 2.05 AU |
| Eccentricity | 0.049 |
| Orbital Period | 903.300 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2003-12 |
| Reference | Hatzes et al. 2003 |