MOA-2011-BLG-291L is a star with 0.15 times the mass of the Sun, and NaN times its radius. It is located 14350.86 light years away from the solar system.
MOA-2011-BLG-291L is known to have 1 exoplanets in orbit around it.
MOA-2011-BLG-291L b was discovered by the MOA observatory, in 2018-09, using the microlensing method. Its semi-major axis is 0.69 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of MOA-2011-BLG-291L b is 18.126 times the mass of Earth. The radius of MOA-2011-BLG-291L b is 4.430 that of Earth. At more than 10 Earth masses, MOA-2011-BLG-291L 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.