GJ 536 is a cool M-dwarf (about 0.53 solar masses, 3,641 K, 0.53 solar radii), 10.4 light-years from Earth. GJ 536 b is a 6.4-Earth-mass planet, with an orbital period of 8.7 days, at 0.067 AU from its star, and an equilibrium temperature near 451 K, discovered in 2016 via radial velocity. GJ 536 c is a 5.9-Earth-mass planet, with an orbital period of 32.8 days, at 0.162 AU from its star, and an equilibrium temperature near 291 K, discovered in 2025 via radial velocity.