The WASP-77 A system contains 1 exoplanet. It is located 343.01 light years away from the solar system.
| Mass | 0.9 solar masses |
| Radius | 0.91 solar radiae |
| Temperature | 5617 kelvin |
| Stellar Metallicity | -0.1 decimal exponent |
| Age | 6.2 billion years |
At more than 50 Earth masses, WASP-77 A b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 529.820 Earth masses |
| Density | 1.115 grams per cubic centimeter |
| Radius | 13.787 Earth radiae |
| Semi-major Axis | 0.02335 AU |
| Eccentricity | 0.0074 |
| Orbital Period | 1.360 days |
| Discovery Method | Transit |
| Discovery Facility | SuperWASP |
| Discovery Telescope | Canon 200mm f/1.8L |
| Discovery Instrument | iKon-L CCD Camera |
| Discovery Date | 2013-01 |
| Reference | Maxted et al. 2013 |