BD+14 4559 is a star with 0.49 times the mass of the Sun, and 0.86 times its radius. It is located 160.96 light years away from the solar system.
BD+14 4559 is known to have 1 exoplanets in orbit around it.
BD+14 4559 b was discovered by the McDonald Observatory observatory, in 2009-12, using the radial velocity method. Its semi-major axis is 0.78 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of BD+14 4559 b is 330.720 times the mass of Earth. The radius of BD+14 4559 b is 13.800 that of Earth. At more than 50 Earth masses, BD+14 4559 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.