The Bayer designation Omicron Cancri (ο Cnc / ο Cancri) is shared by two stars in the constellation Cancer: ο1 Cancri ο2 Cancri They are separated by 0.27° on the sky. With a physical separation of 0.2163 parsec (0.705 light-year), the stars most likely form a co-moving pair. References Cancri, Omicron Cancer (constellation) Double stars