— || || March 5, 1891 || Nice || A. Charlois || — || align=right | 61 km || |-id=308 bgcolor=#E9E9E9 | 308 Polyxo || — || || March 31, 1891 || Marseilles || A. Borrelly || — || align=right | 129 km || |-id=309 bgcolor=#E9E9E9 | 309 Fraternitas || — || || April 6, 1891 || Vienna || J. Palisa || — || align=right | 41 km || |-id=310 bgcolor=#E9E9E9 | 310 Margarita || — || || May 16, 1891 || Nice || A. Charlois || — || align=right | 34 km || |-id=311 bgcolor=#d6d6d6 | 311 Claudia || — || || June 11, 1891 || Nice || A. Charlois || KOR || align=right | 26 km || |-id=312 bgcolor=#E9E9E9 | 312 Pierretta || — || || August 28, 1891 || Nice || A. Charlois || — || align=right | 46 km || |-id=313 bgcolor=#fefefe | 313 Chaldaea || — || || August 30, 1891 || Vienna || J. Palisa || CHL || align=right | 71 km || |-id=314 bgcolor=#d6d6d6 | 314 Rosalia || — || || September 1, 1891 || Nice || A. Charlois || — || align=right | 61 km || |-id=315 bgcolor=#fefefe | 315 Constantia || — || || September 4, 1891 || Vienna || J. Palisa || — || align=right | 6.5 km || |-id=316 bgcolor=#d6d6d6 | 316 Goberta || — || || September 8, 1891 || Nice || A. Charlois || THM || align=right | 56 km || |-id=317 bgcolor=#fefefe | 317 Roxane || — || || September 11, 1891 || Nice || A. Charlois || moon || align=right | 19 km || |-id=318 bgcolor=#d6d6d6 | 318 Magdalena || — || || September 24, 1891 || Nice || A. Charlois || — || align=right | 85 km || |-id=319 bgcolor=#d6d6d6 | 319 Leona || — || || October 8, 1891 || Nice || A. Charlois || 7:4slow || align=right | 50 km || |-id=320 bgcolor=#d6d6d6 | 320 Katharina || — || || October 11, 1891 || Vienna || J. Palisa || EOS || align=right | 23 km || |-id=321 bgcolor=#d6d6d6 | 321 Florentina || — || || October 15, 1891 || Vienna || J. Palisa || KOR || align=right | 28 km || |-id=322 bgcolor=#E9E9E9 | 322 Phaeo || — || || November 27, 1891 || Marseilles || A. Borrelly || PAE || align=right | 70 km || |-id=323 bgcolor=#fefefe | 323 Brucia ||