Kepler-198 is a Sun-like G-type star (about 0.97 solar masses, 5,636 K, 0.93 solar radii), 495 light-years from Earth. Kepler-198 b is a planet with 2.8 Earth radii, with an orbital period of 17.8 days, at 0.131 AU from its star, discovered in 2014 via transit. Kepler-198 c is a planet with 2.5 Earth radii, with an orbital period of 49.6 days, at 0.259 AU from its star, discovered in 2014 via transit. Kepler-198 d is a planet with 1.5 Earth radii, with an orbital period of 1.3 days, discovered in 2016 via transit.