HD 27442 is a star with 1.23 times the mass of the Sun, and NaN times its radius. It is located 59.59 light years away from the solar system and is estimated to be 10 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
HD 27442 is known to have 1 exoplanets in orbit around it.
HD 27442 b was discovered by the Anglo-Australian Telescope observatory, in 2001-07, using the radial velocity method. Its semi-major axis is 1.27 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of HD 27442 b is 496.080 times the mass of Earth. The radius of HD 27442 b is 13.500 that of Earth. At more than 50 Earth masses, HD 27442 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.