13, 1999 || Socorro || LINEAR || PAD || align=right | 9.1 km || |-id=419 bgcolor=#d6d6d6 | 11419 Donjohnson || || || May 16, 1999 || Kitt Peak || Spacewatch || EOS || align=right | 9.6 km || |-id=420 bgcolor=#fefefe | 11420 || || — || May 18, 1999 || Socorro || LINEAR || FLO || align=right | 3.8 km || |-id=421 bgcolor=#d6d6d6 | 11421 Cardano || || || June 10, 1999 || Prescott || P. G. Comba || — || align=right | 14 km || |-id=422 bgcolor=#E9E9E9 | 11422 Alilienthal || || || June 10, 1999 || Kitt Peak || Spacewatch || — || align=right | 3.9 km || |-id=423 bgcolor=#E9E9E9 | 11423 Cronin || || || June 9, 1999 || Socorro || LINEAR || — || align=right | 4.4 km || |-id=424 bgcolor=#fefefe | 11424 || || — || June 9, 1999 || Socorro || LINEAR || — || align=right | 13 km || |-id=425 bgcolor=#fefefe | 11425 Wearydunlop || 1999 MF || || June 18, 1999 || Reedy Creek || J. Broughton || NYS || align=right | 2.0 km || |-id=426 bgcolor=#d6d6d6 | 11426 Molster || 2527 P-L || || September 24, 1960 || Palomar || PLS || THB || align=right | 9.5 km || |-id=427 bgcolor=#d6d6d6 | 11427 Willemkolff || 2611 P-L || || September 24, 1960 || Palomar || PLS || — || align=right | 12 km || |-id=428 bgcolor=#C2FFFF | 11428 Alcinoös || 4139 P-L || || September 24, 1960 || Palomar || PLS || L4 || align=right | 32 km || |-id=429 bgcolor=#C2FFFF | 11429 Demodokus || 4655 P-L || || September 24, 1960 || Palomar || PLS || L4 || align=right | 38 km || |-id=430 bgcolor=#fefefe | 11430 Lodewijkberg || 9560 P-L || || October 17, 1960 || Palomar || PLS || FLO || align=right | 2.2 km || |-id=431 bgcolor=#d6d6d6 | 11431 Karelbosscha || 4843 T-1 || || May 13, 1971 || Palomar || PLS || HYG || align=right | 6.8 km || |-id=432 bgcolor=#d6d6d6 | 11432 Kerkhoven || 1052 T-2 || || September 29, 1973 || Palomar || PLS || THM || align=right | 7.7 km || |-id=433 bgcolor=#fefefe | 11433 Gemmafrisius || 3474 T-3 || || October 16, 1977 || Palomar || PLS || NYS || align=right | 3.4 km || |-id=434 bgcolor=#E9E9E9 | 11434 Lohnert || || || October 10, 1931 || Heidelberg || K. Reinmuth ||