HD 33636 is a binary system located approximately 94 light-years away in Orion constellation. The visible member HD 33636 A is a 7th magnitude yellow main-sequence star. It is located at a distance of 91.6 light years from Earth. It has a metallicity of −0.05 ± 0.07. A companion was discovered in 2002 with a minimum mass of planet size. This was ascertained to be a low-mass star in 2007, making it HD 33636 B.