K2-90 is an orange K-type dwarf (about 0.63 solar masses, 4,484 K, 0.62 solar radii), 134 light-years from Earth. K2-90 c is a planet with 1.3 Earth radii, with an orbital period of 2.9 days, at 0.035 AU from its star, on an eccentric orbit (e ≈ 0.19), discovered in 2016 via transit. K2-90 b is a planet with 2.6 Earth radii, with an orbital period of 13.7 days, at 0.096 AU from its star, and an equilibrium temperature near 502 K, discovered in 2016 via transit.