article: List of minor planets: 20001–21000
links: Eric Walter Elst Siding Spring Observatory Eugene M. Shoemaker James Edward Keeler Apollo asteroid Socorro, NM Palomar Observatory Carolyn S. Shoemaker Kitt Peak National Observatory Spacewatch Reedy Creek Observatory Lick Observatory David C. Jewitt David H. Levy La Silla Observatory Schelte J. Bus Amor asteroid High Point, NC Lincoln Near-Earth Asteroid Research Near-Earth Asteroid Tracking Crimean Astrophysical Observatory Luboš Kohoutek