The HD 190228 system contains 1 exoplanet. It is located 204.55 light years away from the solar system.
| Mass | 1.42 solar masses |
| Radius | 2.59 solar radiae |
| Temperature | 5238 kelvin |
| Stellar Metallicity | -0.22 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, HD 190228 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1726.826 Earth masses |
| Density | 4.520 grams per cubic centimeter |
| Radius | 12.800 Earth radiae |
| Semi-major Axis | 2.405224 AU |
| Eccentricity | 0.55913 |
| Orbital Period | 1143.599 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2022-09 |
| Reference | Feng et al. 2022 |