The HD 188641 system contains 1 exoplanet. It is located 209.85 light years away from the solar system.
| Mass | 1.07 solar masses |
| Radius | 1.94 solar radiae |
| Temperature | 5897.32 kelvin |
| Stellar Metallicity | -0.08 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, HD 188641 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 9262.629 Earth masses |
| Density | 30.200 grams per cubic centimeter |
| Radius | 11.900 Earth radiae |
| Semi-major Axis | 11.958319 AU |
| Eccentricity | 0.034325 |
| Orbital Period | 14583.810 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 |