HD 100546 is a star with 2.4 times the mass of the Sun, and NaN times its radius. It is located 357.72 light years away from the solar system and is estimated to be 0.005 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
HD 100546 is known to have 1 exoplanets in orbit around it.
HD 100546 b was discovered by the Paranal Observatory observatory, in 2015-07, using the imaging method. Its semi-major axis is 53.00 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of HD 100546 b is 239136.000 times the mass of Earth. The radius of HD 100546 b is 77.342 that of Earth. At more than 50 Earth masses, HD 100546 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.