 List of unnumbered minor planets: 2003 S (390–442)

The list of unnumbered minor planets, specifically from 2003 S in the range of 390 to 442, refers to a collection of asteroids that have been designated with specific provisional names but have not yet been formally numbered by the International Astronomical Union (IAU). Minor planets are small celestial bodies that orbit the Sun, which includes asteroids, comets, and various other small objects in the solar system.