40001–40100
|-bgcolor=#fefefe | 40001 || || — || April 21, 1998 || Socorro || LINEAR || || align=right | 2.3 km || |-id=002 bgcolor=#e9e9e9 | 40002 || || — || April 21, 1998 || Socorro || LINEAR || || align=right | 4.1 km || |-id=003 bgcolor=#d6d6d6 | 40003 || || — || April 21, 1998 || Socorro || LINEAR || THM || align=right | 5.4 km || |-id=004 bgcolor=#e9e9e9 | 40004 || || — || April 21, 1998 || Socorro || LINEAR || || align=right | 4.0 km || |-id=005 bgcolor=#e9e9e9 | 40005 || || — || April 21, 1998 || Socorro || LINEAR || MAR || align=right | 2.7 km || |-id=006 bgcolor=#e9e9e9 | 40006 || || — || April 24, 1998 || Reedy Creek || J. Broughton || || align=right | 3.8 km || |-id=007 bgcolor=#e9e9e9 | 40007 Vieuxtemps || || || April 25, 1998 || La Silla || E. W. Elst || || align=right | 6.0 km || |-id=008 bgcolor=#fefefe | 40008 || || — || April 23, 1998 || Socorro || LINEAR || || align=right | 3.8 km || |-id=009 bgcolor=#e9e9e9 | 40009 || || — || April 23, 1998 || Socorro || LINEAR || || align=right | 3.7 km || |-id=010 bgcolor=#d6d6d6 | 40010 || || — || April 23, 1998 || Socorro || LINEAR || || align=right | 12 km || |-id=011 bgcolor=#e9e9e9 | 40011 || || — || April 23, 1998 || Socorro || LINEAR || || align=right | 5.3 km || |-id=012 bgcolor=#e9e9e9 | 40012 || || — || April 23, 1998 || Socorro || LINEAR || || align=right | 2.7 km || |-id=013 bgcolor=#e9e9e9 | 40013 || || — || April 23, 1998 || Socorro || LINEAR || || align=right | 3.5 km || |-id=014 bgcolor=#e9e9e9 | 40014 || || — || April 23, 1998 || Socorro || LINEAR || || align=right | 3.5 km || |-id=015 bgcolor=#e9e9e9 | 40015 || || — || April 23, 1998 || Socorro || LINEAR || MAR || align=right | 2.7 km || |-id=016 bgcolor=#fefefe | 40016 || || — || April 18, 1998 || Socorro || LINEAR || NYS || align=right | 2.6 km || |-id=017 bgcolor=#fefefe | 40017 || || — || April 18, 1998 || Socorro || LINEAR || || align=right | 3.5 km || |-id=018 bgcolor=#fefefe | 40018 || || — || April 19, 1998 || Socorro || LINEAR || || align=right | 2.7 km || |-id=019 bgcolor=#fefefe | 40019 || || — || April 20, 1998 || Socorro || LINEAR || || align=right | 3.0 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 | 1.9 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 | 4.3 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 | 4.8 km || |-id=027 bgcolor=#e9e9e9 | 40027 || || — || May 15, 1998 || Woomera || F. B. Zoltowski || || 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 || || align=right | 5.0 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 || slow || align=right | 4.4 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 km || |-id=035 bgcolor=#e9e9e9 | 40035 || || — || May 22, 1998 || Socorro || LINEAR || EUNfast || align=right | 2.9 km || |-id=036 bgcolor=#e9e9e9 | 40036 || || — || May 22, 1998 || Socorro || LINEAR || (5) || align=right | 2.4 km || |-id=037 bgcolor=#e9e9e9 | 40037 || || — || May 22, 1998 || Socorro || LINEAR || AEO || align=right | 4.0 km || |-id=038 bgcolor=#e9e9e9 | 40038 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 3.1 km || |-id=039 bgcolor=#e9e9e9 | 40039 || || — || May 21, 1998 || Mallorca || Á. López J., R. Pacheco || || align=right | 6.0 km || |-id=040 bgcolor=#e9e9e9 | 40040 || || — || May 22, 1998 || Socorro || LINEAR || EUN || align=right | 3.0 km || |-id=041 bgcolor=#e9e9e9 | 40041 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 2.4 km || |-id=042 bgcolor=#e9e9e9 | 40042 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 3.4 km || |-id=043 bgcolor=#e9e9e9 | 40043 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 4.9 km || |-id=044 bgcolor=#e9e9e9 | 40044 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 2.8 km || |-id=045 bgcolor=#e9e9e9 | 40045 || || — || May 22, 1998 || Socorro || LINEAR || EUN || align=right | 3.9 km || |-id=046 bgcolor=#e9e9e9 | 40046 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 6.7 km || |-id=047 bgcolor=#e9e9e9 | 40047 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 1.8 km || |-id=048 bgcolor=#e9e9e9 | 40048 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 11 km || |-id=049 bgcolor=#e9e9e9 | 40049 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 4.2 km || |-id=050 bgcolor=#e9e9e9 | 40050 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 2.8 km || |-id=051 bgcolor=#e9e9e9 | 40051 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 3.7 km || |-id=052 bgcolor=#e9e9e9 | 40052 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 3.3 km || |-id=053 bgcolor=#e9e9e9 | 40053 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 3.4 km || |-id=054 bgcolor=#fefefe | 40054 || || — || May 27, 1998 || Anderson Mesa || LONEOS || PHO || align=right | 3.8 km || |-id=055 bgcolor=#e9e9e9 | 40055 || || — || May 24, 1998 || Socorro || LINEAR || || align=right | 5.1 km || |-id=056 bgcolor=#e9e9e9 | 40056 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 5.4 km || |-id=057 bgcolor=#e9e9e9 | 40057 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 5.1 km || |-id=058 bgcolor=#fefefe | 40058 || || — || May 22, 1998 || Socorro || LINEAR || ERI || align=right | 5.7 km || |-id=059 bgcolor=#e9e9e9 | 40059 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 5.0 km || |-id=060 bgcolor=#fefefe | 40060 || || — || May 22, 1998 || Socorro || LINEAR || PHO || align=right | 3.1 km || |-id=061 bgcolor=#e9e9e9 | 40061 || || — || May 22, 1998 || Socorro || LINEAR || (5) || align=right | 4.7 km || |-id=062 bgcolor=#e9e9e9 | 40062 || || — || May 23, 1998 || Socorro || LINEAR || || align=right | 5.4 km || |-id=063 bgcolor=#e9e9e9 | 40063 || || — || May 23, 1998 || Socorro || LINEAR || EUN || align=right | 3.3 km || |-id=064 bgcolor=#e9e9e9 | 40064 || || — || May 23, 1998 || Socorro || LINEAR || || align=right | 9.4 km || |-id=065 bgcolor=#e9e9e9 | 40065 || || — || May 23, 1998 || Socorro || LINEAR || || align=right | 3.8 km || |-id=066 bgcolor=#e9e9e9 | 40066 || || — || May 23, 1998 || Socorro || LINEAR || || align=right | 5.0 km || |-id=067 bgcolor=#e9e9e9 | 40067 || || — || May 23, 1998 || Socorro || LINEAR || || align=right | 5.0 km || |-id=068 bgcolor=#e9e9e9 | 40068 || || — || May 23, 1998 || Socorro || LINEAR || || align=right | 3.2 km || |-id=069 bgcolor=#e9e9e9 | 40069 || || — || May 23, 1998 || Socorro || LINEAR || EUN || align=right | 2.9 km || |-id=070 bgcolor=#e9e9e9 | 40070 || || — || May 26, 1998 || Socorro || LINEAR || || align=right | 3.3 km || |-id=071 bgcolor=#e9e9e9 | 40071 || || — || May 23, 1998 || Socorro || LINEAR || || align=right | 2.3 km || |-id=072 bgcolor=#e9e9e9 | 40072 || || — || May 23, 1998 || Socorro || LINEAR || || align=right | 2.7 km || |-id=073 bgcolor=#fefefe | 40073 || || — || May 23, 1998 || Socorro || LINEAR || PHO || align=right | 3.2 km || |-id=074 bgcolor=#e9e9e9 | 40074 || || — || May 22, 1998 || Socorro || LINEAR || || align=right | 4.2 km || |-id=075 bgcolor=#e9e9e9 | 40075 || || — || May 22, 1998 || Socorro || LINEAR || (5) || align=right | 3.6 km || |-id=076 bgcolor=#e9e9e9 | 40076 || 1998 LB || — || June 2, 1998 || Anderson Mesa || LONEOS || MAR || align=right | 3.1 km || |-id=077 bgcolor=#e9e9e9 | 40077 || || — || June 19, 1998 || Kitt Peak || Spacewatch || || align=right | 3.0 km || |-id=078 bgcolor=#e9e9e9 | 40078 || || — || June 19, 1998 || Socorro || LINEAR || || align=right | 5.7 km || |-id=079 bgcolor=#e9e9e9 | 40079 || || — || June 19, 1998 || Socorro || LINEAR || EUN || align=right | 5.1 km || |-id=080 bgcolor=#e9e9e9 | 40080 || || — || June 19, 1998 || Socorro || LINEAR || WAT || align=right | 7.5 km || |-id=081 bgcolor=#e9e9e9 | 40081 Rault || || || June 25, 1998 || Caussols || ODAS || MAR || align=right | 3.8 km || |-id=082 bgcolor=#d6d6d6 | 40082 || || — || June 27, 1998 || Kitt Peak || Spacewatch || || align=right | 6.6 km || |-id=083 bgcolor=#e9e9e9 | 40083 || || — || June 19, 1998 || Caussols || ODAS || || align=right | 3.2 km || |-id=084 bgcolor=#e9e9e9 | 40084 || || — || June 24, 1998 || Socorro || LINEAR || || align=right | 4.7 km || |-id=085 bgcolor=#fefefe | 40085 || || — || June 24, 1998 || Socorro || LINEAR || || align=right | 2.5 km || |-id=086 bgcolor=#e9e9e9 | 40086 || || — || June 24, 1998 || Socorro || LINEAR || || align=right | 8.2 km || |-id=087 bgcolor=#e9e9e9 | 40087 || || — || June 24, 1998 || Socorro || LINEAR || EUN || align=right | 3.6 km || |-id=088 bgcolor=#e9e9e9 | 40088 || || — || June 23, 1998 || Anderson Mesa || LONEOS || || align=right | 4.4 km || |-id=089 bgcolor=#d6d6d6 | 40089 || || — || June 26, 1998 || La Silla || E. W. Elst || || align=right | 5.0 km || |-id=090 bgcolor=#d6d6d6 | 40090 || || — || June 28, 1998 || La Silla || E. W. Elst || || align=right | 4.4 km || |-id=091 bgcolor=#e9e9e9 | 40091 || || — || June 28, 1998 || La Silla || E. W. Elst || || align=right | 5.9 km || |-id=092 bgcolor=#e9e9e9 | 40092 Memel || || || June 28, 1998 || La Silla || E. W. Elst || GEF || align=right | 3.2 km || |-id=093 bgcolor=#e9e9e9 | 40093 || 1998 NH || — || July 15, 1998 || Prescott || P. G. Comba || || align=right | 4.5 km || |-id=094 bgcolor=#e9e9e9 | 40094 || 1998 NN || — || July 15, 1998 || Anderson Mesa || LONEOS || || align=right | 3.7 km || |-id=095 bgcolor=#e9e9e9 | 40095 || || — || July 29, 1998 || Višnjan Observatory || Višnjan || || align=right | 6.0 km || |-id=096 bgcolor=#d6d6d6 | 40096 || || — || July 26, 1998 || La Silla || E. W. Elst || || align=right | 8.6 km || |-id=097 bgcolor=#d6d6d6 | 40097 || || — || July 26, 1998 || La Silla || E. W. Elst || || align=right | 13 km || |-id=098 bgcolor=#d6d6d6 | 40098 || || — || July 26, 1998 || La Silla || E. W. Elst || || align=right | 5.9 km || |-id=099 bgcolor=#d6d6d6 | 40099 || || — || July 26, 1998 || La Silla || E. W. Elst || KOR || align=right | 5.4 km || |-id=100 bgcolor=#e9e9e9 | 40100 || 1998 PV || — || August 12, 1998 || Woomera || F. B. Zoltowski || || align=right | 4.4 km ||
40101–40200
|-bgcolor=#e9e9e9 | 40101 || 1998 QX || — || August 19, 1998 || Haleakala || NEAT || || align=right | 5.1 km || |-id=102 bgcolor=#e9e9e9 | 40102 || || — || August 19, 1998 || Haleakala || NEAT || || align=right | 4.1 km || |-id=103 bgcolor=#d6d6d6 | 40103 || || — || August 17, 1998 || Višnjan Observatory || Višnjan || || align=right | 10 km || |-id=104 bgcolor=#d6d6d6 | 40104 Stevekerr || || || August 17, 1998 || Reedy Creek || J. Broughton || EOS || align=right | 8.8 km || |-id=105 bgcolor=#d6d6d6 | 40105 || || — || August 17, 1998 || Woomera || F. B. Zoltowski || KOR || align=right | 3.8 km || |-id=106 bgcolor=#d6d6d6