The HD 143105 system contains 1 exoplanet. It is located 152.57 light years away from the solar system.
| Mass | 1.51 solar masses | 
| Radius | 1.65 solar radiae | 
| Temperature | 6380 kelvin | 
| Stellar Metallicity | 0.15 decimal exponent | 
| Age | - billion years | 
At more than 50 Earth masses, HD 143105 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 384.574 Earth masses | 
| Density | 0.822 grams per cubic centimeter | 
| Radius | 13.700 Earth radiae | 
| Semi-major Axis | 0.0379 AU | 
| Eccentricity | 0.07 | 
| Orbital Period | 2.197 days | 
| Discovery Method | Radial Velocity | 
| Discovery Facility | Haute-Provence Observatory | 
| Discovery Telescope | 1.93 m Telescope | 
| Discovery Instrument | SOPHIE Spectrograph | 
| Discovery Date | 2016-04 | 
| Reference | Hébrard et al. 2016 |