GJ 15 A is a cool M-dwarf (about 0.38 solar masses, 3,607 K, 0.38 solar radii), 3.6 light-years from Earth. GJ 15 A b is a 3.0-Earth-mass planet, with an orbital period of 11.4 days, at 0.072 AU from its star, on an eccentric orbit (e ≈ 0.09), discovered in 2014 via radial velocity. GJ 15 A c is a 0.11-Jupiter-mass companion, with an orbital period of 20.8 years, at 5.400 AU from its star, on an eccentric orbit (e ≈ 0.27), discovered in 2018 via radial velocity.