Kepler-338 is a Sun-like G-type star (about 1.14 solar masses, 5,923 K, 1.74 solar radii), 553 light-years from Earth. Kepler-338 b is a planet with 2.4 Earth radii, with an orbital period of 13.7 days, at 0.117 AU from its star, discovered in 2014 via transit. Kepler-338 c is a planet with 2.3 Earth radii, with an orbital period of 24.3 days, at 0.172 AU from its star, discovered in 2014 via transit. Kepler-338 d is a planet with 3.0 Earth radii, with an orbital period of 44.4 days, at 0.257 AU from its star, discovered in 2014 via transit.