About this world
KMT-2020-BLG-0414L b is an Earth-sized planet orbiting KMT-2020-BLG-0414L, a star (type WD) 3.98 thousand light-years from Earth. It is about 1.2 times the size of Earth (its size estimated from its mass) and holds 1.9 Earth masses.
It was discovered in 2021 by microlensing with KMTNet. A foreground star's gravity magnifies a background star; a planet adds a blip. KMT-2020-BLG-0414L has 2 known planets; the others are KMT-2020-BLG-0414L c.