HD 166724 is a star with 0.81 times the mass of the Sun, and NaN times its radius. It is located 147.21 light years away from the solar system and is estimated to be 4 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
HD 166724 is known to have 1 exoplanets in orbit around it.
HD 166724 b was discovered by the La Silla Observatory observatory, in 2013-03, using the radial velocity method. Its semi-major axis is 5.42 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of HD 166724 b is 1122.540 times the mass of Earth. The radius of HD 166724 b is 13.100 that of Earth. At more than 50 Earth masses, HD 166724 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.