Ceti Alpha V was the fifth planet in the Ceti Alpha system. Prior to 2268 it was a Class M planet, however after the destruction of Ceti Alpha VI it had a dramatic climate shift that turned most of the surface to desert reducing it to a Class H planet. (ENT: "Twilight"; Star Trek II: The Wrath of Khan) In 2388, Candela Greene and Eric Kramer were stranded on Ceti Alpha V. (Star Trek: Generation Fleet)