The TOI-220 system contains 1 exoplanet. It is located 295.95 light years away from the solar system.
| Mass | 0.83 solar masses |
| Radius | 0.86 solar radiae |
| Temperature | 5298 kelvin |
| Stellar Metallicity | -0.217 decimal exponent |
| Age | 10.1 billion years |
At more than 10 Earth masses, TOI-220 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 | 13.800 Earth masses |
| Density | 2.730 grams per cubic centimeter |
| Radius | 3.030 Earth radiae |
| Semi-major Axis | 0.08911 AU |
| Eccentricity | 0.032 |
| Orbital Period | 10.695 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 | 2021-08 |
| Reference | Hoyer et al. 2021 |