Spring || R. H. McNaught || EUN || align=right | 3.4 km || |-id=017 bgcolor=#E9E9E9 | 13017 Owakenoomi || 1988 FM || || March 18, 1988 || Yorii || M. Arai, H. Mori || EUN || align=right | 5.3 km || |-id=018 bgcolor=#E9E9E9 | 13018 Geoffjames || 1988 GF || || April 10, 1988 || Palomar || E. F. Helin || — || align=right | 8.0 km || |-id=019 bgcolor=#E9E9E9 | 13019 || 1988 NW || — || July 10, 1988 || Palomar || E. F. Helin || — || align=right | 6.8 km || |-id=020 bgcolor=#d6d6d6 | 13020 || || — || August 10, 1988 || Siding Spring || R. H. McNaught || — || align=right | 11 km || |-id=021 bgcolor=#d6d6d6 | 13021 || || — || September 3, 1988 || La Silla || H. Debehogne || — || align=right | 6.3 km || |-id=022 bgcolor=#fefefe | 13022 || || — || September 1, 1988 || La Silla || H. Debehogne || — || align=right | 5.1 km || |-id=023 bgcolor=#d6d6d6 | 13023 || || — || December 10, 1988 || Chiyoda || T. Kojima || — || align=right | 16 km || |-id=024 bgcolor=#fefefe | 13024 Conradferdinand || || || January 11, 1989 || Tautenburg Observatory || F. Börngen || V || align=right | 3.2 km || |-id=025 bgcolor=#fefefe | 13025 Zürich || 1989 BA || || January 28, 1989 || Zimmerwald || P. Wild || — || align=right | 4.9 km || |-id=026 bgcolor=#fefefe | 13026 || 1989 CX || — || February 7, 1989 || Kushiro || S. Ueda, H. Kaneda || PHO || align=right | 4.5 km || |-id=027 bgcolor=#E9E9E9 | 13027 Geeraerts || || || April 3, 1989 || La Silla || E. W. Elst || — || align=right | 5.0 km || |-id=028 bgcolor=#fefefe | 13028 Klaustschira || || || April 5, 1989 || La Silla || M. Geffert || — || align=right | 5.3 km || |-id=029 bgcolor=#E9E9E9 | 13029 || 1989 HA || — || April 27, 1989 || Brorfelde || P. Jensen || — || align=right | 14 km || |-id=030 bgcolor=#E9E9E9 | 13030 || 1989 PF || — || August 9, 1989 || Palomar || J. Alu, E. F. Helin || — || align=right | 7.3 km || |-id=031 bgcolor=#E9E9E9 | 13031 Durance || || || September 26, 1989 || La Silla || E. W. Elst || —