April 14, 1991 || Palomar || C. S. Shoemaker, D. H. Levy || — || align=right | 7.4 km || |-id=277 bgcolor=#d6d6d6 | 15277 || || — || August 6, 1991 || La Silla || E. W. Elst || KOR || align=right | 5.9 km || |-id=278 bgcolor=#d6d6d6 | 15278 Pâquet || || || August 6, 1991 || La Silla || E. W. Elst || 3:2 || align=right | 25 km || |-id=279 bgcolor=#fefefe | 15279 || || — || August 6, 1991 || La Silla || E. W. Elst || — || align=right | 2.3 km || |-id=280 bgcolor=#fefefe | 15280 || || — || August 7, 1991 || Palomar || H. E. Holt || — || align=right | 3.6 km || |-id=281 bgcolor=#d6d6d6 | 15281 || || — || August 7, 1991 || Palomar || H. E. Holt || KOR || align=right | 7.4 km || |-id=282 bgcolor=#d6d6d6 | 15282 Franzmarc || || || September 13, 1991 || Tautenburg Observatory || F. Börngen, L. D. Schmadel || — || align=right | 6.8 km || |-id=283 bgcolor=#fefefe | 15283 || || — || September 12, 1991 || Palomar || H. E. Holt || FLO || align=right | 3.5 km || |-id=284 bgcolor=#fefefe | 15284 || || — || September 15, 1991 || Palomar || H. E. Holt || — || align=right | 2.6 km || |-id=285 bgcolor=#d6d6d6 | 15285 || || — || September 14, 1991 || Palomar || H. E. Holt || — || align=right | 10 km || |-id=286 bgcolor=#fefefe | 15286 || || — || September 15, 1991 || Palomar || H. E. Holt || — || align=right | 3.2 km || |-id=287 bgcolor=#fefefe | 15287 || || — || September 12, 1991 || Palomar || H. E. Holt || — || align=right | 2.8 km || |-id=288 bgcolor=#E9E9E9 | 15288 || || — || September 11, 1991 || Palomar || H. E. Holt || MAR || align=right | 8.4 km || |-id=289 bgcolor=#fefefe | 15289 || 1991 TL || — || October 1, 1991 || Siding Spring || R. H. McNaught || — || align=right | 2.5 km || |-id=290 bgcolor=#d6d6d6 | 15290 || || — || October 12, 1991 || Siding Spring || R. H. McNaught || — || align=right | 13 km || |-id=291 bgcolor=#fefefe | 15291 || || — || November 4, 1991 || Kushiro || S. Ueda, H. Kaneda || FLO