The K2-181 Exoplanetary System
K2-181 is a star with 0.99 times the mass of the Sun, and 1.07 times its radius. It is located 1189.88 light years away from the solar system.
K2-181 is known to have 1 exoplanets in orbit around it.
K2-181 b was discovered by the K2 observatory using the transit method. Its discovery was announced in 2018-02. Its semi-major axis is 0.07 astronomical units, as compared to Earth's which is 1 astronomical unit. It takes 6.89 Earth days to complete an orbit around its host star, K2-181.
The mass of K2-181 b is 11.74 times the mass of Earth. The radius of K2-181 b is 2.84 that of Earth. At more than 10 Earth masses, K2-181 b is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune in our solar system.