WASP-84 is a star with 0.84 times the mass of the Sun, and 0.75 times its radius. It is located 328.07 light years away from the solar system and is estimated to be 1 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
WASP-84 is known to have 1 exoplanets in orbit around it.
WASP-84 b was discovered by the SuperWASP observatory, in 2014-12, using the transit method. Its semi-major axis is 0.08 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of WASP-84 b is 220.692 times the mass of Earth. The radius of WASP-84 b is 10.559 that of Earth. At more than 50 Earth masses, WASP-84 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.