Kepler-1990 is a Sun-like G-type star (about 1.03 solar masses, 5,751 K, 1.07 solar radii), 393 light-years from Earth. Kepler-1990 b is a planet with 3.3 Earth radii, with an orbital period of 1.7 days, at 0.029 AU from its star, and an equilibrium temperature near 1,554 K, discovered in 2023 via transit. Kepler-1990 c is a planet with 1.0 Earth radii, with an orbital period of 4.1 days, at 0.050 AU from its star, and an equilibrium temperature near 1,170 K, discovered in 2023 via transit.