Kepler-289 is a Sun-like G-type star (about 1.08 solar masses, 5,990 K, 1.00 solar radii), 704 light-years from Earth. Kepler-289 b is a 3.7-Earth-mass planet, with an orbital period of 34.5 days, discovered in 2014 via transit. Kepler-289 d is a 5.3-Earth-mass planet, with an orbital period of 66.0 days, discovered in 2014 via transit. Kepler-289 c is a 0.49-Jupiter-mass companion, with an orbital period of 126 days, discovered in 2014 via transit. Kepler-289 e is a 0.05-Jupiter-mass companion, with an orbital period of 330 days, discovered in 2025 via transit.