The WASP-139 system contains 1 exoplanet. It is located 692.99 light years away from the solar system.
| Mass | 0.92 solar masses |
| Radius | 0.8 solar radiae |
| Temperature | 5310 kelvin |
| Stellar Metallicity | 0.2 decimal exponent |
| Age | 0.5 billion years |
At more than 10 Earth masses, WASP-139 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 | 37.186 Earth masses |
| Density | 0.310 grams per cubic centimeter |
| Radius | 8.967 Earth radiae |
| Semi-major Axis | 0.062 AU |
| Eccentricity | 0 |
| Orbital Period | 5.924 days |
| Discovery Method | Transit |
| Discovery Facility | SuperWASP-South |
| Discovery Telescope | Canon 200mm f/1.8L |
| Discovery Instrument | iKon-L CCD Camera |
| Discovery Date | 2017-03 |
| Reference | Hellier et al. 2017 |