K2-80 is a Sun-like G-type star (about 0.90 solar masses, 5,441 K, 0.87 solar radii), 201 light-years from Earth. K2-80 c is a planet with 1.5 Earth radii, with an orbital period of 5.6 days, at 0.060 AU from its star, discovered in 2016 via transit. K2-80 b is a planet with 2.0 Earth radii, with an orbital period of 19.1 days, at 0.135 AU from its star, discovered in 2016 via transit. K2-80 d is a planet with 2.6 Earth radii, with an orbital period of 28.9 days, discovered in 2018 via transit.