Phi Kappa was a star system, located somewhere in the space of the galaxy's Alpha or Beta Quadrants. It was the location of a Federation automated production facility in the late 23rd century. In 2268, the USS Enterprise was assigned to pick up medical supplies from Phi Kappa and transfer them to Deep Space Station C-15 to deal with an outbreak of anatid flu. (TOS novel: A Choice of Catastrophes) This system's name contains two Greek language letters: phi and kappa.