The TOI-558 system contains 1 exoplanet. It is located 1313.20 light years away from the solar system.
| Mass | 1.35 solar masses |
| Radius | 1.5 solar radiae |
| Temperature | 6466 kelvin |
| Stellar Metallicity | -0.004 decimal exponent |
| Age | 1.79 billion years |
At more than 50 Earth masses, TOI-558 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1147.361 Earth masses |
| Density | 3.500 grams per cubic centimeter |
| Radius | 12.173 Earth radiae |
| Semi-major Axis | 0.1291 AU |
| Eccentricity | 0.298 |
| Orbital Period | 14.574 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 | Ikwut-Ukwa et al. 2022 |