The HD 29399 system contains 1 exoplanet. It is located 144.00 light years away from the solar system.
| Mass | 1.17 solar masses |
| Radius | 4.5 solar radiae |
| Temperature | 4845 kelvin |
| Stellar Metallicity | 0.14 decimal exponent |
| Age | 6.2 billion years |
At more than 50 Earth masses, HD 29399 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 498.991 Earth masses |
| Density | 1.110 grams per cubic centimeter |
| Radius | 13.500 Earth radiae |
| Semi-major Axis | 1.913 AU |
| Eccentricity | 0.05 |
| Orbital Period | 892.700 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 1.2 m Leonhard Euler Telescope |
| Discovery Instrument | CORALIE Spectrograph |
| Discovery Date | 2022-01 |
| Reference | Pezzotti et al. 2022 |