The TOI-1789 system contains 1 exoplanet. It is located 747.12 light years away from the solar system.
| Mass | 1.51 solar masses |
| Radius | 2.17 solar radiae |
| Temperature | 5991 kelvin |
| Stellar Metallicity | 0.373 decimal exponent |
| Age | 2.73 billion years |
At more than 50 Earth masses, TOI-1789 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 222.480 Earth masses |
| Density | 0.280 grams per cubic centimeter |
| Radius | 16.141 Earth radiae |
| Semi-major Axis | 0.04882 AU |
| Eccentricity | NaN |
| Orbital Period | 3.209 days |
| Discovery Method | Transit |
| Discovery Facility | Transiting Exoplanet Survey Satellite (TESS) |
| Discovery Telescope | 0.1 m TESS Telescope |
| Discovery Instrument | TESS CCD Array |
| Discovery Date | 2022-01 |
| Reference | Khandelwal et al. 2022 |