WASP-178 is a star with 2.07 times the mass of the Sun, and 1.67 times its radius. It is located 1394.90 light years away from the solar system.
WASP-178 is known to have 1 exoplanets in orbit around it.
WASP-178 b was discovered by the WASP-South observatory, in 2019-11, using the transit method. Its semi-major axis is 0.06 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of WASP-178 b is 527.880 times the mass of Earth. The radius of WASP-178 b is 20.288 that of Earth. At more than 50 Earth masses, WASP-178 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn in our solar system.