The HD 75898 system contains 1 exoplanet. It is located 254.57 light years away from the solar system.
| Mass | 1.26 solar masses |
| Radius | 1.58 solar radiae |
| Temperature | 5963 kelvin |
| Stellar Metallicity | 0.28 decimal exponent |
| Age | 3.56 billion years |
At more than 50 Earth masses, HD 75898 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 861.319 Earth masses |
| Density | 2.060 grams per cubic centimeter |
| Radius | 13.200 Earth radiae |
| Semi-major Axis | 1.191 AU |
| Eccentricity | 0.11 |
| Orbital Period | 422.900 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck I Telescope |
| Discovery Instrument | HIRES Spectrometer |
| Discovery Date | 2007-12 |
| Reference | Robinson et al. 2007 |