KMT-2018-BLG-1990L is a star with 0.09 times the mass of the Sun, and NaN times its radius. It is located 3153.93 light years away from the solar system.
KMT-2018-BLG-1990L is known to have 1 exoplanets in orbit around it.
KMT-2018-BLG-1990L b was discovered by the KMTNet observatory, in 2019-10, using the microlensing method. Its semi-major axis is 0.76 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of KMT-2018-BLG-1990L b is 110.664 times the mass of Earth. The radius of KMT-2018-BLG-1990L b is 12.900 that of Earth. At more than 50 Earth masses, KMT-2018-BLG-1990L 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.