The HD 220773 system contains 1 exoplanet. It is located 164.74 light years away from the solar system.
| Mass | 1.16 solar masses |
| Radius | 1.68 solar radiae |
| Temperature | 5940 kelvin |
| Stellar Metallicity | 0.09 decimal exponent |
| Age | 4.4 billion years |
At more than 50 Earth masses, HD 220773 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 460.800 Earth masses |
| Density | 1.010 grams per cubic centimeter |
| Radius | 13.600 Earth radiae |
| Semi-major Axis | 4.94 AU |
| Eccentricity | 0.51 |
| Orbital Period | 3724.700 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | McDonald Observatory |
| Discovery Telescope | 9.2 m Hobby-Eberly Telescope |
| Discovery Instrument | High Resolution Spectrograph |
| Discovery Date | 2012-04 |
| Reference | Robertson et al. 2012 |