 List of unnumbered minor planets: 1999 S–T

The "List of unnumbered minor planets: 1999 S–T" refers to a catalog of minor planets (also known as asteroids) that were discovered and designated in the years around 1999 but have not yet been given a permanent number. Each unnumbered minor planet is typically designated by a name or a provisional designation, which is often composed of the year of discovery and additional letters that indicate the order of discovery within that year.