HD 4313 is a star with 1.63 times the mass of the Sun, and 5.14 times its radius. It is located 444.58 light years away from the solar system and is estimated to be 2 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
HD 4313 is known to have 1 exoplanets in orbit around it.
HD 4313 b was discovered by the W. M. Keck Observatory observatory, in 2010-05, 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 4313 b is 612.786 times the mass of Earth. The radius of HD 4313 b is 13.400 that of Earth. At more than 50 Earth masses, HD 4313 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.