The TOI-1728 system contains 1 exoplanet. It is located 198.30 light years away from the solar system.
| Mass | 0.65 solar masses |
| Radius | 0.62 solar radiae |
| Temperature | 3980 kelvin |
| Stellar Metallicity | 0.25 decimal exponent |
| Age | 7.1 billion years |
At more than 10 Earth masses, TOI-1728 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 | 26.780 Earth masses |
| Density | 1.140 grams per cubic centimeter |
| Radius | 5.050 Earth radiae |
| Semi-major Axis | 0.0391 AU |
| Eccentricity | 0.057 |
| Orbital Period | 3.492 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 | 2020-08 |
| Reference | Kanodia et al. 2020 |