The TOI-1231 system contains 1 exoplanet. It is located 90.09 light years away from the solar system.
| Mass | 0.49 solar masses |
| Radius | 0.48 solar radiae |
| Temperature | 3553 kelvin |
| Stellar Metallicity | 0.041 decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, TOI-1231 b is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 15.400 Earth masses |
| Density | 1.740 grams per cubic centimeter |
| Radius | 3.650 Earth radiae |
| Semi-major Axis | 0.1288 AU |
| Eccentricity | 0.087 |
| Orbital Period | 24.246 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 | 2021-09 |
| Reference | Burt et al. 2021 |