The HD 220842 system contains 1 exoplanet. It is located 210.86 light years away from the solar system.
| Mass | 1.13 solar masses |
| Radius | 1.42 solar radiae |
| Temperature | 5960 kelvin |
| Stellar Metallicity | -0.17 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, HD 220842 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1010.699 Earth masses |
| Density | 2.470 grams per cubic centimeter |
| Radius | 13.100 Earth radiae |
| Semi-major Axis | 0.74 AU |
| Eccentricity | 0.404 |
| Orbital Period | 218.470 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Haute-Provence Observatory |
| Discovery Telescope | 1.93 m Telescope |
| Discovery Instrument | SOPHIE Spectrograph |
| Discovery Date | 2016-04 |
| Reference | Hébrard et al. 2016 |