km || |-id=348 bgcolor=#E9E9E9 | 21348 Toyoteru || || || March 1, 1997 || Chichibu || N. Satō || MAR || align=right | 3.2 km || |-id=349 bgcolor=#d6d6d6 | 21349 Bevoke || || || March 10, 1997 || Kitt Peak || Spacewatch || THM || align=right | 6.7 km || |-id=350 bgcolor=#E9E9E9 | 21350 Billgardner || || || March 11, 1997 || Kitt Peak || Spacewatch || — || align=right | 3.2 km || |-id=351 bgcolor=#E9E9E9 | 21351 Bhagwat || || || March 4, 1997 || Socorro || LINEAR || EUN || align=right | 4.4 km || |-id=352 bgcolor=#d6d6d6 | 21352 || || — || March 10, 1997 || La Silla || E. W. Elst || KOR || align=right | 5.3 km || |-id=353 bgcolor=#d6d6d6 | 21353 || 1997 FG || — || March 19, 1997 || Xinglong || SCAP || — || align=right | 13 km || |-id=354 bgcolor=#E9E9E9 | 21354 || 1997 FM || — || March 21, 1997 || Xinglong || SCAP || — || align=right | 3.8 km || |-id=355 bgcolor=#d6d6d6 | 21355 Pikovskaya || || || March 31, 1997 || Socorro || LINEAR || KOR || align=right | 4.6 km || |-id=356 bgcolor=#E9E9E9 | 21356 Karlplank || || || March 31, 1997 || Socorro || LINEAR || — || align=right | 8.8 km || |-id=357 bgcolor=#d6d6d6 | 21357 Davidying || || || March 31, 1997 || Socorro || LINEAR || KOR || align=right | 3.3 km || |-id=358 bgcolor=#E9E9E9 | 21358 Mijerbarany || || || April 3, 1997 || Socorro || LINEAR || — || align=right | 3.2 km || |-id=359 bgcolor=#d6d6d6 | 21359 Geng || || || April 6, 1997 || Socorro || LINEAR || KOR || align=right | 3.9 km || |-id=360 bgcolor=#d6d6d6 | 21360 Bobduff || || || April 8, 1997 || Kitt Peak || Spacewatch || THM || align=right | 8.8 km || |-id=361 bgcolor=#fefefe | 21361 Carsonmark || 1997 HQ || || April 28, 1997 || Kitt Peak || Spacewatch || V || align=right | 3.5 km || |-id=362 bgcolor=#d6d6d6 | 21362 Dickarmstrong || || || April 30, 1997 || Kitt Peak || Spacewatch || — || align=right | 4.1 km || |-id=363 bgcolor=#d6d6d6 | 21363 Jotwani || || || April 30, 1997 || Socorro || LINEAR || EOS || align=right | 4.3 km || |-id=364 bgcolor=#E9E9E9 | 21364 Lingpan || || || April 30, 1997 || Socorro || LINEAR