HD 173416 is a star with 2 times the mass of the Sun, and 13.5 times its radius. It is located 431.13 light years away from the solar system.
HD 173416 is known to have 1 exoplanets in orbit around it.
HD 173416 b was discovered by the Xinglong Station observatory, in 2009-01, using the radial velocity method. Its semi-major axis is 1.16 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of HD 173416 b is 858.600 times the mass of Earth. The radius of HD 173416 b is 13.200 that of Earth. At more than 50 Earth masses, HD 173416 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.