The HD 221585 system contains 1 exoplanet. It is located 182.17 light years away from the solar system.
| Mass | 1.19 solar masses |
| Radius | 1.85 solar radiae |
| Temperature | 5620 kelvin |
| Stellar Metallicity | 0.29 decimal exponent |
| Age | 6.2 billion years |
At more than 50 Earth masses, HD 221585 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 511.706 Earth masses |
| Density | 1.140 grams per cubic centimeter |
| Radius | 13.500 Earth radiae |
| Semi-major Axis | 2.306 AU |
| Eccentricity | 0.123 |
| Orbital Period | 1173.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Haute-Provence Observatory |
| Discovery Telescope | 1.93 m Telescope |
| Discovery Instrument | SOPHIE Spectrograph |
| Discovery Date | 2016-07 |
| Reference | Díaz et al. 2016 |