HD 9174 is a star with 1.03 times the mass of the Sun, and 1.67 times its radius. It is located 265.78 light years away from the solar system and is estimated to be 9 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
HD 9174 is known to have 1 exoplanets in orbit around it.
HD 9174 b was discovered by the Multiple Observatories observatory, in 2017-04, using the radial velocity method. Its semi-major axis is 2.20 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of HD 9174 b is 352.980 times the mass of Earth. The radius of HD 9174 b is 13.700 that of Earth. At more than 50 Earth masses, HD 9174 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.