In the 2009 film Avatar, what star system contains the fictional moon Pandora?

In the 2009 film Avatar, the fictional moon Pandora is in the Alpha Centauri star system.

Pandora is a habitable moon orbiting the gas giant Polyphemus. The system is located around Alpha Centauri, the nearest star system to the Solar System. In the film’s fictional setting, humans travel there to mine resources and study the Na’vi, the moon’s indigenous inhabitants.

Pandora is often casually called a planet because it is the main world shown on screen, but the film identifies it as a moon. That distinction matters: it orbits a larger planet rather than directly orbiting its star.

The film’s Pandora should not be confused with the jar in Greek mythology or with the music-streaming company named Pandora. James Cameron’s science-fiction setting borrows the mythic name while creating its own astronomy, biology, languages, and cultures.