Valhalla Prime was a gas giant planet possessing a storm similar to that of Saturn. Located somewhere in the space of the galaxy's Alpha or Beta Quadrants, Valhalla Prime was one of a number of worlds in orbit of the Valhalla star system. In the year 2270, Spock listed several gas giant planets with a storm similar to Saturn's, including Valhalla Prime. (TOS novel: The Rings of Time) By the 2370s decade, the Valhalla system was a holding of the Federation. (ST video game: Starfleet Command III)