Ookuninushi || || || January 19, 1998 || Nachi-Katsuura || Y. Shimizu, T. Urata || — || align=right | 9.2 km || |-id=628 bgcolor=#d6d6d6 | 10628 Feuerbacher || || || January 18, 1998 || Caussols || ODAS || HYG || align=right | 11 km || |-id=629 bgcolor=#E9E9E9 | 10629 || || — || January 23, 1998 || Socorro || LINEAR || — || align=right | 5.8 km || |-id=630 bgcolor=#d6d6d6 | 10630 || || — || January 23, 1998 || Socorro || LINEAR || KOR || align=right | 4.4 km || |-id=631 bgcolor=#d6d6d6 | 10631 || || — || January 24, 1998 || Haleakalā || NEAT || — || align=right | 17 km || |-id=632 bgcolor=#d6d6d6 | 10632 || || — || February 1, 1998 || Xinglong || SCAP || 3:2 || align=right | 20 km || |-id=633 bgcolor=#fefefe | 10633 Akimasa || || || February 20, 1998 || Ondřejov || P. Pravec || V || align=right | 3.4 km || |-id=634 bgcolor=#fefefe | 10634 Pepibican || || || April 8, 1998 || Ondřejov || L. Kotková || — || align=right | 4.6 km || |-id=635 bgcolor=#d6d6d6 | 10635 || || — || August 17, 1998 || Socorro || LINEAR || — || align=right | 9.0 km || |-id=636 bgcolor=#FFC2E0 | 10636 || || — || August 28, 1998 || Socorro || LINEAR || APO +1km || align=right data-sort-value="0.53" | 530 m || |-id=637 bgcolor=#d6d6d6 | 10637 Heimlich || || || August 26, 1998 || La Silla || E. W. Elst || — || align=right | 14 km || |-id=638 bgcolor=#d6d6d6 | 10638 McGlothlin || || || September 16, 1998 || Anderson Mesa || LONEOS || — || align=right | 15 km || |-id=639 bgcolor=#fefefe | 10639 Gleason || || || November 14, 1998 || Kitt Peak || Spacewatch || — || align=right | 3.8 km || |-id=640 bgcolor=#fefefe | 10640 || || — || November 25, 1998 || Socorro || LINEAR || — || align=right | 4.0 km || |-id=641 bgcolor=#d6d6d6 | 10641 || || — || December 14, 1998 || Socorro || LINEAR || THM || align=right | 9.2 km || |-id=642 bgcolor=#d6d6d6 | 10642 Charmaine || || || January 19, 1999 || San Marcello || A. Boattini, L. Tesi || — || align=right | 14 km || |-id=643 bgcolor=#E9E9E9 | 10643 || || — || February 12, 1999 || Socorro || LINEAR || — || align=right |