24, 1998 || Kitt Peak || Spacewatch || EOS || align=right | 4.8 km || |-id=680 bgcolor=#d6d6d6 | 52680 || || — || February 21, 1998 || Kitt Peak || Spacewatch || THM || align=right | 7.2 km || |-id=681 bgcolor=#d6d6d6 | 52681 Kelleghan || || || February 27, 1998 || La Silla || E. W. Elst || — || align=right | 7.5 km || |-id=682 bgcolor=#d6d6d6 | 52682 || || — || February 27, 1998 || La Silla || E. W. Elst || VER || align=right | 6.5 km || |-id=683 bgcolor=#fefefe | 52683 || || — || February 27, 1998 || La Silla || E. W. Elst || — || align=right | 2.2 km || |-id=684 bgcolor=#E9E9E9 | 52684 || || — || March 2, 1998 || Xinglong || SCAP || AGN || align=right | 4.4 km || |-id=685 bgcolor=#d6d6d6 | 52685 || || — || March 11, 1998 || Xinglong || SCAP || LIX || align=right | 8.7 km || |-id=686 bgcolor=#d6d6d6 | 52686 || || — || March 1, 1998 || La Silla || E. W. Elst || EUP || align=right | 9.2 km || |-id=687 bgcolor=#d6d6d6 | 52687 || || — || March 1, 1998 || La Silla || E. W. Elst || — || align=right | 8.0 km || |-id=688 bgcolor=#d6d6d6 | 52688 || || — || March 21, 1998 || Lime Creek || R. Linderholm || EOS || align=right | 6.0 km || |-id=689 bgcolor=#FFC2E0 | 52689 || || — || March 20, 1998 || Socorro || LINEAR || AMO || align=right data-sort-value="0.62" | 620 m || |-id=690 bgcolor=#fefefe | 52690 || || — || March 20, 1998 || Socorro || LINEAR || H || align=right | 1.8 km || |-id=691 bgcolor=#d6d6d6 | 52691 || || — || March 18, 1998 || Kitt Peak || Spacewatch || THM || align=right | 4.7 km || |-id=692 bgcolor=#d6d6d6 | 52692 || || — || March 21, 1998 || Kitt Peak || Spacewatch || — || align=right | 11 km || |-id=693 bgcolor=#d6d6d6 | 52693 || || — || March 26, 1998 || Haleakala || NEAT || HYG || align=right | 7.8 km || |-id=694 bgcolor=#d6d6d6 | 52694 || || — || March 20, 1998 || Socorro || LINEAR || — || align=right | 4.2 km || |-id=695 bgcolor=#d6d6d6 | 52695 || || — || March 20, 1998 || Socorro || LINEAR || URS || align=right