The TOI-1278 system contains 1 exoplanet. It is located 246.50 light years away from the solar system.
| Mass | 0.54 solar masses |
| Radius | 0.57 solar radiae |
| Temperature | 3799 kelvin |
| Stellar Metallicity | -0.01 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, TOI-1278 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 5879.826 Earth masses |
| Density | 18.000 grams per cubic centimeter |
| Radius | 12.218 Earth radiae |
| Semi-major Axis | 0.095 AU |
| Eccentricity | 0.013 |
| Orbital Period | 14.476 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 | 2021-10 |
| Reference | Artigau et al. 2021 |