|| || — || April 19, 1998 || Socorro || LINEAR || — || align=right | 2.7 km || |-id=019 bgcolor=#fefefe | 40019 || || — || April 20, 1998 || Socorro || LINEAR || — || align=right | 2.2 km || |-id=020 bgcolor=#E9E9E9 | 40020 || || — || April 20, 1998 || Socorro || LINEAR || — || align=right | 2.8 km || |-id=021 bgcolor=#fefefe | 40021 || || — || April 20, 1998 || Socorro || LINEAR || V || align=right | 2.0 km || |-id=022 bgcolor=#d6d6d6 | 40022 || || — || April 23, 1998 || Socorro || LINEAR || — || align=right | 4.4 km || |-id=023 bgcolor=#E9E9E9 | 40023 ANPCEN || || || April 25, 1998 || La Silla || E. W. Elst || — || align=right | 3.0 km || |-id=024 bgcolor=#E9E9E9 | 40024 || || — || April 25, 1998 || La Silla || E. W. Elst || — || align=right | 4.4 km || |-id=025 bgcolor=#E9E9E9 | 40025 || || — || April 25, 1998 || La Silla || E. W. Elst || — || align=right | 3.1 km || |-id=026 bgcolor=#fefefe | 40026 || || — || May 1, 1998 || Anderson Mesa || LONEOS || — || align=right | 3.5 km || |-id=027 bgcolor=#E9E9E9 | 40027 || || — || May 15, 1998 || Woomera || F. B. Zoltowski || HEN || align=right | 3.0 km || |-id=028 bgcolor=#fefefe | 40028 || || — || May 18, 1998 || Anderson Mesa || LONEOS || — || align=right | 3.2 km || |-id=029 bgcolor=#E9E9E9 | 40029 || || — || May 22, 1998 || Socorro || LINEAR || — || align=right | 8.0 km || |-id=030 bgcolor=#E9E9E9 | 40030 || || — || May 22, 1998 || Socorro || LINEAR || MIT || align=right | 5.1 km || |-id=031 bgcolor=#E9E9E9 | 40031 || || — || May 22, 1998 || Socorro || LINEAR || HNS || align=right | 4.6 km || |-id=032 bgcolor=#fefefe | 40032 || || — || May 26, 1998 || Xinglong || SCAP || — || align=right | 3.2 km || |-id=033 bgcolor=#E9E9E9 | 40033 || || — || May 22, 1998 || Kitt Peak || Spacewatch || — || align=right | 3.1 km || |-id=034 bgcolor=#d6d6d6 | 40034 || || — || May 22, 1998 || Kitt Peak || Spacewatch || — || align=right | 6.6