HD 43197 is a star with 0.96 times the mass of the Sun, and 1 times its radius. It is located 203.56 light years away from the solar system.
HD 43197 is known to have 1 exoplanets in orbit around it.
HD 43197 b was discovered by the La Silla Observatory observatory, in 2010-11, using the radial velocity method. Its semi-major axis is 0.92 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of HD 43197 b is 190.800 times the mass of Earth. The radius of HD 43197 b is 14.100 that of Earth. At more than 50 Earth masses, HD 43197 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.