The TOI-172 system contains 1 exoplanet. It is located 1118.16 light years away from the solar system.
| Mass | 1.13 solar masses |
| Radius | 1.78 solar radiae |
| Temperature | 5645 kelvin |
| Stellar Metallicity | 0.148 decimal exponent |
| Age | 7.4 billion years |
At more than 50 Earth masses, TOI-172 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1722.639 Earth masses |
| Density | 7.530 grams per cubic centimeter |
| Radius | 10.817 Earth radiae |
| Semi-major Axis | 0.0914 AU |
| Eccentricity | 0.3806 |
| Orbital Period | 9.477 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 | 2019-05 |
| Reference | Rodriguez et al. 2019 |