HD 42618 is a star with 1.01 times the mass of the Sun, and 1 times its radius. It is located 79.37 light years away from the solar system.
HD 42618 is known to have 1 exoplanets in orbit around it.
HD 42618 b was discovered by the Multiple Observatories observatory, in 2016-10, using the radial velocity method. Its semi-major axis is 0.55 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of HD 42618 b is 14.409 times the mass of Earth. The radius of HD 42618 b is 3.890 that of Earth. At more than 10 Earth masses, HD 42618 b is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune in our solar system.