The HD 75289 system contains 1 exoplanet. It is located 94.96 light years away from the solar system.
| Mass | 1.29 solar masses |
| Radius | 1.23 solar radiae |
| Temperature | 6117 kelvin |
| Stellar Metallicity | 0.26 decimal exponent |
| Age | 5.6 billion years |
At more than 50 Earth masses, HD 75289 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 155.737 Earth masses |
| Density | 0.299 grams per cubic centimeter |
| Radius | 14.200 Earth radiae |
| Semi-major Axis | 0.05 AU |
| Eccentricity | 0.03 |
| Orbital Period | 3.509 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 1.2 m Leonhard Euler Telescope |
| Discovery Instrument | CORALIE Spectrograph |
| Discovery Date | 2000-04 |
| Reference | Udry et al. 2000 |