The ROXs 42 B Exoplanetary System
ROXs 42 B is a star with 1 times the mass of the Sun, and 1.032 times its radius. It is located 440.31 light years away from the solar system and is estimated to be 0.003 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
ROXs 42 B is known to have 1 exoplanets in orbit around it.
ROXs 42 B b
ROXs 42 B b was discovered by the Multiple Observatories observatory using the imaging method. Its discovery was announced in 2014-01. Its semi-major axis is 157.00 astronomical units, as compared to Earth's which is 1 astronomical unit.
The mass of ROXs 42 B b is 2860.29 times the mass of Earth. At more than 50 Earth masses, ROXs 42 B 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.