The WASP-39 system contains 1 exoplanet. It is located 697.92 light years away from the solar system.
| Mass | 0.93 solar masses |
| Radius | 0.9 solar radiae |
| Temperature | 5400 kelvin |
| Stellar Metallicity | 0.01 decimal exponent |
| Age | 9 billion years |
At more than 50 Earth masses, WASP-39 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 88.989 Earth masses |
| Density | 0.186 grams per cubic centimeter |
| Radius | 14.235 Earth radiae |
| Semi-major Axis | 0.0486 AU |
| Eccentricity | 0 |
| Orbital Period | 4.055 days |
| Discovery Method | Transit |
| Discovery Facility | SuperWASP |
| Discovery Telescope | Canon 200mm f/1.8L |
| Discovery Instrument | iKon-L CCD Camera |
| Discovery Date | 2011-07 |
| Reference | Faedi et al. 2011 |