| 21156 || || — || August 20, 1993 || La Silla || E. W. Elst || V || align=right | 2.0 km || |-id=157 bgcolor=#d6d6d6 | 21157 || || — || September 15, 1993 || La Silla || E. W. Elst || — || align=right | 9.2 km || |-id=158 bgcolor=#fefefe | 21158 || || — || September 15, 1993 || La Silla || H. Debehogne, E. W. Elst || — || align=right | 2.0 km || |-id=159 bgcolor=#fefefe | 21159 || || — || September 17, 1993 || La Silla || E. W. Elst || — || align=right | 2.5 km || |-id=160 bgcolor=#d6d6d6 | 21160 Saveriolombardi || 1993 TJ || || October 10, 1993 || Stroncone || A. Vagnozzi || EOS || align=right | 8.8 km || |-id=161 bgcolor=#d6d6d6 | 21161 Yamashitaharuo || || || October 15, 1993 || Kitami || K. Endate, K. Watanabe || — || align=right | 19 km || |-id=162 bgcolor=#d6d6d6 | 21162 || || — || October 9, 1993 || La Silla || E. W. Elst || — || align=right | 6.4 km || |-id=163 bgcolor=#fefefe | 21163 || || — || October 9, 1993 || La Silla || E. W. Elst || — || align=right | 2.3 km || |-id=164 bgcolor=#d6d6d6 | 21164 || || — || October 20, 1993 || La Silla || E. W. Elst || — || align=right | 17 km || |-id=165 bgcolor=#fefefe | 21165 || || — || November 11, 1993 || Kushiro || S. Ueda, H. Kaneda || — || align=right | 2.9 km || |-id=166 bgcolor=#fefefe | 21166 Nobuyukishouji || 1993 XH || || December 6, 1993 || Geisei || T. Seki || — || align=right | 2.4 km || |-id=167 bgcolor=#d6d6d6 | 21167 || 1993 XQ || — || December 9, 1993 || Oizumi || T. Kobayashi || KOR || align=right | 4.7 km || |-id=168 bgcolor=#fefefe | 21168 || || — || January 7, 1994 || Kitt Peak || Spacewatch || — || align=right | 2.5 km || |-id=169 bgcolor=#fefefe | 21169 || || — || January 8, 1994 || Kitt Peak || Spacewatch || NYS || align=right | 1.3 km || |-id=170 bgcolor=#fefefe | 21170 || || — || January 8, 1994 || Kitt Peak || Spacewatch || — || align=right | 2.5 km || |-id=171 bgcolor=#fefefe | 21171 || || — || February 7, 1994 || Oizumi || T. Kobayashi