List of unnumbered minor planets: 2004 Y

The designation "2004 Y" refers to a specific unnumbered minor planet that was discovered in 2004. Unnumbered minor planets are those that have not yet been given a permanent number by the International Astronomical Union (IAU), but they have been identified and cataloged. As of my last knowledge update, detailed information about specific unnumbered minor planets, including 2004 Y, may not always be readily available.