The HD 224538 system contains 1 exoplanet. It is located 257.86 light years away from the solar system.
| Mass | 1.23 solar masses |
| Radius | 1.54 solar radiae |
| Temperature | 6097 kelvin |
| Stellar Metallicity | 0.27 decimal exponent |
| Age | 2 billion years |
At more than 50 Earth masses, HD 224538 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2234.179 Earth masses |
| Density | 5.990 grams per cubic centimeter |
| Radius | 12.700 Earth radiae |
| Semi-major Axis | 2.373375 AU |
| Eccentricity | 0.475886 |
| Orbital Period | 1202.052 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2017-04 |
| Reference | Jenkins et al. 2017 |