BD-00 4475 is a star with 0.81 times the mass of the Sun, and 0.84 times its radius. It is located 139.07 light years away from the solar system.
BD-00 4475 is known to have 1 exoplanets in orbit around it.
BD-00 4475 b was discovered by the Haute-Provence Observatory observatory, in 2021-05, using the radial velocity method. Its semi-major axis is 1.48 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of BD-00 4475 b is 7965.900 times the mass of Earth. The radius of BD-00 4475 b is 12.000 that of Earth. At more than 50 Earth masses, BD-00 4475 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.