HD 162020 is a star with 0.42 times the mass of the Sun, and 0.75 times its radius. It is located 100.54 light years away from the solar system and is estimated to be 6 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
HD 162020 is known to have 1 exoplanets in orbit around it.
HD 162020 b was discovered by the La Silla Observatory observatory, in 2002-07, using the radial velocity method. Its semi-major axis is 0.08 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of HD 162020 b is 3129.120 times the mass of Earth. The radius of HD 162020 b is 12.500 that of Earth. At more than 50 Earth masses, HD 162020 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.