The WASP-166 system contains 1 exoplanet. It is located 372.38 light years away from the solar system.
| Mass | 1.19 solar masses |
| Radius | 1.22 solar radiae |
| Temperature | 6050 kelvin |
| Stellar Metallicity | 0.19 decimal exponent |
| Age | 2.1 billion years |
At more than 10 Earth masses, WASP-166 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 | 32.101 Earth masses |
| Density | 0.540 grams per cubic centimeter |
| Radius | 7.062 Earth radiae |
| Semi-major Axis | 0.0641 AU |
| Eccentricity | 0 |
| Orbital Period | 5.444 days |
| Discovery Method | Transit |
| Discovery Facility | WASP-South |
| Discovery Telescope | Canon 200mm f/1.8L |
| Discovery Instrument | iKon-L CCD Camera |
| Discovery Date | 2019-09 |
| Reference | Hellier et al. 2019 |