The HD 564 system contains 1 exoplanet. It is located 166.88 light years away from the solar system.
| Mass | 0.96 solar masses |
| Radius | 1.01 solar radiae |
| Temperature | 5902 kelvin |
| Stellar Metallicity | -0.2 decimal exponent |
| Age | 5.5 billion years |
At more than 50 Earth masses, HD 564 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 104.880 Earth masses |
| Density | 0.295 grams per cubic centimeter |
| Radius | 12.500 Earth radiae |
| Semi-major Axis | 1.2 AU |
| Eccentricity | 0.096 |
| Orbital Period | 492.300 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2015-04 |
| Reference | Moutou et al. 2015 |