Kepler-305 is an orange K-type dwarf (about 0.83 solar masses, 5,090 K, 0.79 solar radii), 868 light-years from Earth. Kepler-305 e is a planet with 1.8 Earth radii, with an orbital period of 3.2 days, discovered in 2020 via transit. Kepler-305 b is a 10.5-Earth-mass planet, with an orbital period of 5.5 days, discovered in 2013 via transit. Kepler-305 c is a 6.0-Earth-mass planet, with an orbital period of 8.3 days, discovered in 2013 via transit. Kepler-305 d is a 6.2-Earth-mass planet, with an orbital period of 16.7 days, discovered in 2014 via transit.