Kepler-100 is a Sun-like G-type star (about 1.08 solar masses, 5,825 K, 1.49 solar radii), 305 light-years from Earth. Kepler-100 e is a 0.08-Jupiter-mass companion, with an orbital period of 60.9 days, at 0.312 AU from its star, discovered in 2023 via radial velocity. Kepler-100 b is a 4.0-Earth-mass planet, with an orbital period of 6.9 days, discovered in 2014 via transit. Kepler-100 c is a 7.0-Earth-mass planet, with an orbital period of 12.8 days, discovered in 2014 via transit. Kepler-100 d is a 3.0-Earth-mass planet, with an orbital period of 35.3 days, discovered in 2014 via transit.