The WASP-189 system contains 1 exoplanet. It is located 325.28 light years away from the solar system.
| Mass | 2.03 solar masses |
| Radius | 2.36 solar radiae |
| Temperature | 8000 kelvin |
| Stellar Metallicity | 0.29 decimal exponent |
| Age | 0.73 billion years |
At more than 50 Earth masses, WASP-189 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 632.479 Earth masses |
| Density | 0.622 grams per cubic centimeter |
| Radius | 18.147 Earth radiae |
| Semi-major Axis | 0.05053 AU |
| Eccentricity | 0 |
| Orbital Period | 2.724 days |
| Discovery Method | Transit |
| Discovery Facility | CHaracterising ExOPlanets Satellite (CHEOPS) |
| Discovery Telescope | 0.3 m Ritchey-Chretien Telescope |
| Discovery Instrument | Teledyne e2v CCD detector |
| Discovery Date | 2020-11 |
| Reference | Lendl et al. 2020 |