|| || — || December 14, 1998 || Socorro || LINEAR || — || align=right | 9.8 km || |-id=648 bgcolor=#d6d6d6 | 14648 || || — || December 14, 1998 || Socorro || LINEAR || — || align=right | 13 km || |-id=649 bgcolor=#d6d6d6 | 14649 || || — || December 12, 1998 || Socorro || LINEAR || — || align=right | 13 km || |-id=650 bgcolor=#fefefe | 14650 || || — || December 17, 1998 || Oizumi || T. Kobayashi || — || align=right | 3.5 km || |-id=651 bgcolor=#d6d6d6 | 14651 || || — || December 18, 1998 || Caussols || ODAS || — || align=right | 13 km || |-id=652 bgcolor=#d6d6d6 | 14652 || || — || December 17, 1998 || Xinglong || SCAP || KOR || align=right | 5.6 km || |-id=653 bgcolor=#FA8072 | 14653 || || — || December 26, 1998 || Oizumi || T. Kobayashi || — || align=right | 3.1 km || |-id=654 bgcolor=#d6d6d6 | 14654 Rajivgupta || || || December 22, 1998 || Kitt Peak || Spacewatch || THM || align=right | 11 km || |-id=655 bgcolor=#E9E9E9 | 14655 || || — || December 21, 1998 || Xinglong || SCAP || PAD || align=right | 9.4 km || |-id=656 bgcolor=#E9E9E9 | 14656 Lijiang || || || December 29, 1998 || Xinglong || SCAP || GEF || align=right | 8.1 km || |-id=657 bgcolor=#E9E9E9 | 14657 || || — || December 26, 1998 || Višnjan Observatory || K. Korlević || — || align=right | 5.8 km || |-id=658 bgcolor=#d6d6d6 | 14658 || || — || January 13, 1999 || Višnjan Observatory || K. Korlević || EOS || align=right | 10 km || |-id=659 bgcolor=#E9E9E9 | 14659 Gregoriana || || || January 15, 1999 || Montelupo || M. Tombelli, G. Forti || — || align=right | 7.2 km || |-id=660 bgcolor=#E9E9E9 | 14660 || || — || January 16, 1999 || Višnjan Observatory || K. Korlević || RAF || align=right | 6.5 km || |-id=661 bgcolor=#E9E9E9 | 14661 || || — || January 23, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 4.0 km || |-id=662 bgcolor=#E9E9E9 | 14662 || || — || January 22, 1999 || Oizumi || T. Kobayashi || — || align=right | 7.3 km || |-id=663 bgcolor=#E9E9E9 | 14663 || || — || January 18, 1999 || Socorro || LINEAR || — || align=right | 5.2