Kappa Ursae Majoris: An Overview Kappa Ursae Majoris, abbreviated as κ Ursae Majoris or Kappa UMa, is a notable binary star system located in the constellation of Ursa Major. With a combined apparent magnitude of +3.60, this star system is situated approximately 358 light-years from Earth. Kappa Ursae Majoris consists of two components, designated as…