article: List of minor planets: 22001–23000
links: Apollo asteroid Near-Earth Asteroid Tracking Socorro, NM David H. Levy La Silla Observatory Palomar Observatory Schelte J. Bus Crimean Astrophysical Observatory Carolyn S. Shoemaker Eric Walter Elst Karl Schwarzschild Observatory Kitt Peak National Observatory Spacewatch Reedy Creek Observatory Siding Spring Observatory High Point, NC Eugene M. Shoemaker Lincoln Near-Earth Asteroid Research