18619 || || — || February 22, 1998 || Haleakala || NEAT || — || align=right | 3.2 km || |-id=620 bgcolor=#FA8072 | 18620 || || — || February 24, 1998 || Haleakala || NEAT || — || align=right | 1.7 km || |-id=621 bgcolor=#fefefe | 18621 || || — || February 23, 1998 || Kitt Peak || Spacewatch || V || align=right | 1.9 km || |-id=622 bgcolor=#E9E9E9 | 18622 || || — || February 25, 1998 || Haleakala || NEAT || — || align=right | 7.5 km || |-id=623 bgcolor=#d6d6d6 | 18623 Pises || || || February 27, 1998 || Pises || Pises Obs. || KOR || align=right | 5.1 km || |-id=624 bgcolor=#d6d6d6 | 18624 Prévert || || || February 27, 1998 || Caussols || ODAS || — || align=right | 8.6 km || |-id=625 bgcolor=#fefefe | 18625 || || — || February 27, 1998 || Caussols || ODAS || — || align=right | 2.4 km || |-id=626 bgcolor=#fefefe | 18626 Michaelcarr || || || February 27, 1998 || Caussols || ODAS || H || align=right | 1.7 km || |-id=627 bgcolor=#fefefe | 18627 Rogerbonnet || || || February 27, 1998 || Cima Ekar || M. Tombelli, C. Casacci || — || align=right | 5.0 km || |-id=628 bgcolor=#fefefe | 18628 Taniasagrati || || || February 27, 1998 || Cima Ekar || G. Forti, M. Tombelli || FLO || align=right | 2.8 km || |-id=629 bgcolor=#E9E9E9 | 18629 || || — || February 27, 1998 || La Silla || E. W. Elst || — || align=right | 4.1 km || |-id=630 bgcolor=#fefefe | 18630 || || — || February 27, 1998 || La Silla || E. W. Elst || FLO || align=right | 2.2 km || |-id=631 bgcolor=#E9E9E9 | 18631 Maurogherardini || || || February 27, 1998 || Cima Ekar || A. Boattini, M. Tombelli || EUN || align=right | 7.4 km || |-id=632 bgcolor=#d6d6d6 | 18632 Danielsson || || || February 28, 1998 || La Silla || C.-I. Lagerkvist || — || align=right | 6.9 km || |-id=633 bgcolor=#d6d6d6 | 18633 || 1998 EU || — || March 2, 1998 || Caussols || ODAS || — || align=right | 5.3 km || |-id=634 bgcolor=#E9E9E9 | 18634 Champigneulles || || || March 2, 1998 || Caussols || ODAS || — || align=right | 4.0 km || |-id=635 bgcolor=#E9E9E9 | 18635 Frouard || || || March 2, 1998