October 12, 1991 || Siding Spring || R. H. McNaught || EUN || align=right | 4.5 km || |-id=306 bgcolor=#fefefe | 12306 Pebronstein || || || October 7, 1991 || Palomar || C. P. de Saint-Aignan || NYS || align=right | 9.0 km || |-id=307 bgcolor=#d6d6d6 | 12307 || 1991 UA || — || October 18, 1991 || Kushiro || S. Ueda, H. Kaneda || SHU3:2 || align=right | 20 km || |-id=308 bgcolor=#E9E9E9 | 12308 || || — || November 4, 1991 || Dynic || A. Sugie || MAR || align=right | 6.1 km || |-id=309 bgcolor=#E9E9E9 | 12309 Tommygrav || || || February 25, 1992 || Kitt Peak || Spacewatch || — || align=right | 8.7 km || |-id=310 bgcolor=#E9E9E9 | 12310 Londontario || || || February 29, 1992 || Kitt Peak || Spacewatch || — || align=right | 8.4 km || |-id=311 bgcolor=#E9E9E9 | 12311 Ingemyr || || || March 1, 1992 || La Silla || UESAC || — || align=right | 5.5 km || |-id=312 bgcolor=#E9E9E9 | 12312 Väte || || || March 2, 1992 || La Silla || UESAC || — || align=right | 7.4 km || |-id=313 bgcolor=#E9E9E9 | 12313 || || — || March 6, 1992 || La Silla || UESAC || — || align=right | 3.4 km || |-id=314 bgcolor=#E9E9E9 | 12314 || || — || March 2, 1992 || La Silla || UESAC || — || align=right | 4.0 km || |-id=315 bgcolor=#E9E9E9 | 12315 || || — || March 28, 1992 || Kushiro || S. Ueda, H. Kaneda || PAD || align=right | 15 km || |-id=316 bgcolor=#d6d6d6 | 12316 || 1992 HG || — || April 27, 1992 || Kiyosato || S. Otomo || — || align=right | 17 km || |-id=317 bgcolor=#E9E9E9 | 12317 Madicampbell || || || April 24, 1992 || Kitt Peak || Spacewatch || HOF || align=right | 13 km || |-id=318 bgcolor=#d6d6d6 | 12318 Kästner || || || April 30, 1992 || Tautenburg Observatory || F. Börngen || — || align=right | 12 km || |-id=319 bgcolor=#fefefe | 12319 || 1992 PC || — || August 2, 1992 || Harvard Observatory || Oak Ridge Observatory || FLO || align=right | 2.3 km || |-id=320 bgcolor=#fefefe | 12320 Loschmidt || || || August 8, 1992 || Caussols || E. W. Elst || — || align=right | 2.1 km || |-id=321 bgcolor=#fefefe | 12321 Zurakowski ||