Qatar-2 is a star with 0.74 times the mass of the Sun, and 0.78 times its radius. It is located 591.56 light years away from the solar system and is estimated to be 5 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
Qatar-2 is known to have 1 exoplanets in orbit around it.
Qatar-2 b was discovered by the Qatar observatory, in 2012-05, 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 Qatar-2 b is 793.092 times the mass of Earth. The radius of Qatar-2 b is 14.056 that of Earth. At more than 50 Earth masses, Qatar-2 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.