The 16 Cyg B system contains 1 exoplanet. It is located 68.95 light years away from the solar system.
| Mass | 1.08 solar masses |
| Radius | 1.13 solar radiae |
| Temperature | 5750 kelvin |
| Stellar Metallicity | 0.06 decimal exponent |
| Age | 7.4 billion years |
At more than 50 Earth masses, 16 Cyg B b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 565.737 Earth masses |
| Density | 1.260 grams per cubic centimeter |
| Radius | 13.500 Earth radiae |
| Semi-major Axis | 1.66 AU |
| Eccentricity | 0.68 |
| Orbital Period | 798.500 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 1997-07 |
| Reference | Cochran et al. 1997 |