The HD 222155 system contains 1 exoplanet. It is located 165.06 light years away from the solar system.
| Mass | 1.21 solar masses |
| Radius | 1.85 solar radiae |
| Temperature | 5701 kelvin |
| Stellar Metallicity | -0.18 decimal exponent |
| Age | 8.2 billion years |
At more than 50 Earth masses, HD 222155 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 673.800 Earth masses |
| Density | 1.540 grams per cubic centimeter |
| Radius | 13.400 Earth radiae |
| Semi-major Axis | 5.14 AU |
| Eccentricity | 0.16 |
| Orbital Period | 3999.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Haute-Provence Observatory |
| Discovery Telescope | 1.93 m Telescope |
| Discovery Instrument | ELODIE Spectrograph |
| Discovery Date | 2012-09 |
| Reference | Boisse et al. 2012 |