The WASP-42 system contains 1 exoplanet. It is located 578.25 light years away from the solar system.
| Mass | 0.95 solar masses |
| Radius | 0.89 solar radiae |
| Temperature | 5315 kelvin |
| Stellar Metallicity | 0.29 decimal exponent |
| Age | 4.4 billion years |
At more than 50 Earth masses, WASP-42 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 167.496 Earth masses |
| Density | 0.464 grams per cubic centimeter |
| Radius | 12.576 Earth radiae |
| Semi-major Axis | 0.0561 AU |
| Eccentricity | 0.062 |
| Orbital Period | 4.982 days |
| Discovery Method | Transit |
| Discovery Facility | SuperWASP |
| Discovery Telescope | Canon 200mm f/1.8L |
| Discovery Instrument | iKon-L CCD Camera |
| Discovery Date | 2012-08 |
| Reference | Lendl et al. 2012 |