The HD 23596 system contains 1 exoplanet. It is located 169.61 light years away from the solar system.
| Mass | 1.1 solar masses | 
| Radius | 1.53 solar radiae | 
| Temperature | 6040 kelvin | 
| Stellar Metallicity | 0.33 decimal exponent | 
| Age | 5.68 billion years | 
At more than 50 Earth masses, HD 23596 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 3674.938 Earth masses | 
| Density | 10.600 grams per cubic centimeter | 
| Radius | 12.400 Earth radiae | 
| Semi-major Axis | 2.692222 AU | 
| Eccentricity | 0.282012 | 
| Orbital Period | 1535.119 days | 
| Discovery Method | Radial Velocity | 
| Discovery Facility | Haute-Provence Observatory | 
| Discovery Telescope | 1.93 m Telescope | 
| Discovery Instrument | ELODIE Spectrograph | 
| Discovery Date | 2003-11 | 
| Reference | Perrier et al. 2003 |