1989 || Geisei || T. Seki || — || align=right | 4.1 km || |-id=125 bgcolor=#fefefe | 5125 Okushiri || || || February 10, 1989 || Kushiro || S. Ueda, H. Kaneda || — || align=right | 5.6 km || |-id=126 bgcolor=#C2FFFF | 5126 Achaemenides || || || February 1, 1989 || Palomar || C. S. Shoemaker || L4 || align=right | 52 km || |-id=127 bgcolor=#fefefe | 5127 Bruhns || || || February 4, 1989 || La Silla || E. W. Elst || — || align=right | 4.1 km || |-id=128 bgcolor=#E9E9E9 | 5128 Wakabayashi || 1989 FJ || || March 30, 1989 || Ayashi Station || M. Koishikawa || — || align=right | 18 km || |-id=129 bgcolor=#fefefe | 5129 Groom || 1989 GN || || April 7, 1989 || Palomar || E. F. Helin || — || align=right | 7.5 km || |-id=130 bgcolor=#C2FFFF | 5130 Ilioneus || || || September 30, 1989 || Palomar || C. S. Shoemaker || L5 || align=right | 61 km || |-id=131 bgcolor=#FFC2E0 | 5131 || 1990 BG || — || January 21, 1990 || Palomar || E. F. Helin, B. Roman || APO +1km || align=right | 3.9 km || |-id=132 bgcolor=#E9E9E9 | 5132 Maynard || 1990 ME || || June 22, 1990 || Palomar || H. E. Holt || — || align=right | 11 km || |-id=133 bgcolor=#E9E9E9 | 5133 Phillipadams || 1990 PA || || August 12, 1990 || Siding Spring || R. H. McNaught || — || align=right | 23 km || |-id=134 bgcolor=#E9E9E9 | 5134 Ebilson || || || September 17, 1990 || Palomar || H. E. Holt || — || align=right | 11 km || |-id=135 bgcolor=#fefefe | 5135 Nibutani || 1990 UE || || October 16, 1990 || Kushiro || S. Ueda, H. Kaneda || moon || align=right | 4.8 km || |-id=136 bgcolor=#d6d6d6 | 5136 Baggaley || || || October 20, 1990 || Siding Spring || R. H. McNaught || EOS || align=right | 13 km || |-id=137 bgcolor=#E9E9E9 | 5137 Frevert || 1990 VC || || November 8, 1990 || Chions || J. M. Baur || MAR || align=right | 6.7 km || |-id=138 bgcolor=#d6d6d6 | 5138 Gyoda || || || November 13, 1990 || Okutama || T. Hioki, S. Hayakawa || THM || align=right | 15 km || |-id=139 bgcolor=#d6d6d6 | 5139 Rumoi || || || November 13, 1990 || Kagoshima