|-id=316 bgcolor=#E9E9E9 | 18316 || || — || March 1, 1981 || Siding Spring || S. J. Bus || — || align=right | 4.6 km || |-id=317 bgcolor=#d6d6d6 | 18317 || || — || March 2, 1981 || Siding Spring || S. J. Bus || — || align=right | 8.6 km || |-id=318 bgcolor=#d6d6d6 | 18318 || || — || March 6, 1981 || Siding Spring || S. J. Bus || EUP || align=right | 7.1 km || |-id=319 bgcolor=#fefefe | 18319 || || — || August 23, 1981 || La Silla || H. Debehogne || NYS || align=right | 2.8 km || |-id=320 bgcolor=#fefefe | 18320 || || — || October 24, 1981 || Palomar || S. J. Bus || NYS || align=right | 2.8 km || |-id=321 bgcolor=#E9E9E9 | 18321 Bobrov || || || October 25, 1982 || Nauchnij || L. V. Zhuravleva || — || align=right | 3.8 km || |-id=322 bgcolor=#E9E9E9 | 18322 Korokan || || || November 14, 1982 || Kiso || H. Kosai, K. Furukawa || — || align=right | 4.2 km || |-id=323 bgcolor=#E9E9E9 | 18323 || || — || September 2, 1983 || La Silla || H. Debehogne || RAF || align=right | 5.7 km || |-id=324 bgcolor=#d6d6d6 | 18324 || || — || April 27, 1984 || La Silla || La Silla Obs. || — || align=right | 10 km || |-id=325 bgcolor=#E9E9E9 | 18325 || || — || September 29, 1984 || Kleť || A. Mrkos || — || align=right | 6.6 km || |-id=326 bgcolor=#d6d6d6 | 18326 || || — || February 11, 1985 || La Silla || H. Debehogne || THM || align=right | 8.9 km || |-id=327 bgcolor=#fefefe | 18327 || || — || February 12, 1985 || La Silla || H. Debehogne || — || align=right | 2.7 km || |-id=328 bgcolor=#fefefe | 18328 || 1985 UU || — || October 20, 1985 || Kleť || A. Mrkos || — || align=right | 4.9 km || |-id=329 bgcolor=#fefefe | 18329 || || — || September 1, 1986 || La Silla || H. Debehogne || FLO || align=right | 3.1 km || |-id=330 bgcolor=#fefefe | 18330 || || — || January 25, 1987 || La Silla || E. W. Elst || — || align=right | 2.2 km || |-id=331 bgcolor=#d6d6d6 | 18331 || || — || February 24, 1987 || La Silla || H. Debehogne || URS