WASP-12 is a star with 1.43 times the mass of the Sun, and 1.66 times its radius. It is located 1393.49 light years away from the solar system and is estimated to be 2 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
WASP-12 is known to have 1 exoplanets in orbit around it.
WASP-12 b was discovered by the SuperWASP observatory, in 2009-03, using the transit method. Its semi-major axis is 0.02 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of WASP-12 b is 465.870 times the mass of Earth. The radius of WASP-12 b is 21.712 that of Earth. At more than 50 Earth masses, WASP-12 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.