Kepler-1669 is an orange K-type dwarf (about 0.67 solar masses, 4,303 K, 0.71 solar radii), 543 light-years from Earth. Kepler-1669 d is a planet with 1.2 Earth radii, with an orbital period of 4.7 days, at 0.047 AU from its star, and an equilibrium temperature near 669 K, discovered in 2023 via transit. Kepler-1669 c is a planet with 1.9 Earth radii, with an orbital period of 1.6 days, discovered in 2021 via transit. Kepler-1669 b is a planet with 2.8 Earth radii, with an orbital period of 9.5 days, discovered in 2020 via transit.