The HD 191806 system contains 1 exoplanet. It is located 214.18 light years away from the solar system.
| Mass | 1.07 solar masses | 
| Radius | 1.4 solar radiae | 
| Temperature | 6010 kelvin | 
| Stellar Metallicity | 0.3 decimal exponent | 
| Age | 2.9 billion years | 
At more than 50 Earth masses, HD 191806 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2968.874 Earth masses | 
| Density | 8.350 grams per cubic centimeter | 
| Radius | 12.500 Earth radiae | 
| Semi-major Axis | 2.746858 AU | 
| Eccentricity | 0.213427 | 
| Orbital Period | 1603.389 days | 
| Discovery Method | Radial Velocity | 
| Discovery Facility | Haute-Provence Observatory | 
| Discovery Telescope | 1.93 m Telescope | 
| Discovery Instrument | SOPHIE Spectrograph | 
| Discovery Date | 2016-07 | 
| Reference | Díaz et al. 2016 |