The TOI-251 system contains 1 exoplanet. It is located 324.60 light years away from the solar system.
| Mass | 1.04 solar masses |
| Radius | 0.88 solar radiae |
| Temperature | 5875 kelvin |
| Stellar Metallicity | -0.106 decimal exponent |
| Age | 0.18 billion years |
At more than 50 Earth masses, TOI-251 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 317.830 Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | 2.740 Earth radiae |
| Semi-major Axis | 0.05741 AU |
| Eccentricity | 0 |
| Orbital Period | 4.938 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 | 2021-01 |
| Reference | Zhou et al. 2021 |