align=right | 10 km || |-id=963 bgcolor=#C2FFFF | 23963 || || — || November 18, 1998 || Chichibu || N. Satō || L4 || align=right | 20 km || |-id=964 bgcolor=#d6d6d6 | 23964 || || — || November 21, 1998 || Socorro || LINEAR || — || align=right | 9.2 km || |-id=965 bgcolor=#d6d6d6 | 23965 || || — || November 21, 1998 || Socorro || LINEAR || EOS || align=right | 6.8 km || |-id=966 bgcolor=#E9E9E9 | 23966 || || — || November 18, 1998 || Socorro || LINEAR || — || align=right | 4.4 km || |-id=967 bgcolor=#d6d6d6 | 23967 || || — || December 14, 1998 || Višnjan Observatory || K. Korlević || — || align=right | 10 km || |-id=968 bgcolor=#C2FFFF | 23968 || || — || December 8, 1998 || Caussols || ODAS || L4 || align=right | 31 km || |-id=969 bgcolor=#d6d6d6 | 23969 || || — || December 15, 1998 || Socorro || LINEAR || — || align=right | 12 km || |-id=970 bgcolor=#C2FFFF | 23970 || || — || December 21, 1998 || Caussols || ODAS || L4 || align=right | 32 km || |-id=971 bgcolor=#fefefe | 23971 || || — || December 25, 1998 || Višnjan Observatory || K. Korlević, M. Jurić || — || align=right | 8.3 km || |-id=972 bgcolor=#d6d6d6 | 23972 || 1999 AA || — || January 3, 1999 || Oizumi || T. Kobayashi || EOS || align=right | 8.3 km || |-id=973 bgcolor=#d6d6d6 | 23973 || || — || February 5, 1999 || Xinglong || SCAP || EOS || align=right | 11 km || |-id=974 bgcolor=#fefefe | 23974 || || — || February 12, 1999 || Socorro || LINEAR || H || align=right | 2.0 km || |-id=975 bgcolor=#fefefe | 23975 Akran || || || February 12, 1999 || Socorro || LINEAR || — || align=right | 3.3 km || |-id=976 bgcolor=#E9E9E9 | 23976 || || — || February 23, 1999 || Socorro || LINEAR || EUN || align=right | 3.7 km || |-id=977 bgcolor=#E9E9E9 | 23977 || || — || April 14, 1999 || Socorro || LINEAR || — || align=right | 16 km || |-id=978 bgcolor=#E9E9E9 | 23978 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 6.3 km || |-id=979 bgcolor=#E9E9E9 | 23979 || || — || May 12, 1999 || Socorro || LINEAR || —