1997 || Nanyo || T. Okuni || EOS || align=right | 12 km || |-id=221 bgcolor=#E9E9E9 | 13221 Nao || 1997 OY || || July 24, 1997 || Kuma Kogen || A. Nakamura || — || align=right | 11 km || |-id=222 bgcolor=#E9E9E9 | 13222 Ichikawakazuo || || || July 27, 1997 || Nanyo || T. Okuni || — || align=right | 12 km || |-id=223 bgcolor=#fefefe | 13223 Cenaceneri || || || August 13, 1997 || San Marcello || L. Tesi || — || align=right | 2.1 km || |-id=224 bgcolor=#d6d6d6 | 13224 Takamatsuda || || || August 10, 1997 || Nanyo || T. Okuni || — || align=right | 19 km || |-id=225 bgcolor=#d6d6d6 | 13225 Manfredi || || || August 29, 1997 || Bologna || San Vittore Obs. || — || align=right | 5.1 km || |-id=226 bgcolor=#d6d6d6 | 13226 Soulié || 1997 SH || || September 20, 1997 || Ondřejov || L. Kotková || EOS || align=right | 6.7 km || |-id=227 bgcolor=#d6d6d6 | 13227 Poor || || || September 27, 1997 || Kitt Peak || Spacewatch || HYG || align=right | 9.8 km || |-id=228 bgcolor=#d6d6d6 | 13228 || || — || September 29, 1997 || Nachi-Katsuura || Y. Shimizu, T. Urata || THM || align=right | 13 km || |-id=229 bgcolor=#C2FFFF | 13229 Echion || || || November 2, 1997 || Kleť || J. Tichá, M. Tichý || L4 || align=right | 28 km || |-id=230 bgcolor=#C2FFFF | 13230 || || — || November 1, 1997 || Oohira || T. Urata || L4 || align=right | 24 km || |-id=231 bgcolor=#d6d6d6 | 13231 Blondelet || || || January 17, 1998 || Caussols || ODAS || THM || align=right | 8.0 km || |-id=232 bgcolor=#fefefe | 13232 || || — || March 20, 1998 || Socorro || LINEAR || — || align=right | 3.1 km || |-id=233 bgcolor=#fefefe | 13233 || || — || March 20, 1998 || Socorro || LINEAR || — || align=right | 9.9 km || |-id=234 bgcolor=#fefefe | 13234 Natashaowen || || || March 22, 1998 || Anderson Mesa || LONEOS || — || align=right | 4.1 km || |-id=235 bgcolor=#fefefe | 13235 Isiguroyuki || || || April 30, 1998 || Nanyo || T. Okuni || — || align=right | 4.0 km || |-id=236 bgcolor=#fefefe | 13236 || || — || April 21, 1998 || Socorro || LINEAR || FLO ||