Alien (1979), film written by Dan O'Bannon et al and directed by Ridley Scott. The spaceship Nostromo receives a mysterious transmission from a nearby planetoid. It sends an expedition to the surface where they find a derelict alien spacecraft. The worldlet is named Acheron (Alien); it is located in the ζ2 Reticuli system. LV-426 is the colony identification codename given in the sequel, Aliens.[107] In the upcoming film Prometheus, the Planet will be referred to as Acheron LV-426[108].

Prometheus (2012), film written by Jon Spaihts & Damon Lindelof and directed by Ridley Scott. A prequel to Alien, the film is set in the late 21st century. The story centers on the crew of the spaceship Prometheus as they follow a star map discovered among the remnants of several ancient Earth civilizations. Led to a distant world — a large moon designated LV-223 orbiting a ringed giant (Acheron LV-426[108]), in the ζ2 Reticuli system — and an advanced civilization, the crew seeks the origins of humanity, but instead discovers a threat that could lead to the extinction of the human race.