K2-275 is an orange K-type dwarf (about 0.77 solar masses, 4,841 K, 0.69 solar radii), 123 light-years from Earth. K2-275 b is a planet with 2.3 Earth radii, with an orbital period of 3.3 days, at 0.028 AU from its star, and an equilibrium temperature near 1,166 K, discovered in 2018 via transit. K2-275 c is a planet with 2.2 Earth radii, with an orbital period of 8.4 days, at 0.088 AU from its star, and an equilibrium temperature near 653 K, discovered in 2018 via transit.