April 15, 1888 || Vienna || J. Palisa || — || align=right | 103 km || |-id=276 bgcolor=#d6d6d6 | 276 Adelheid || — || || April 17, 1888 || Vienna || J. Palisa || ALA || align=right | 115 km || |-id=277 bgcolor=#d6d6d6 | 277 Elvira || — || || May 3, 1888 || Nice || A. Charlois || KOR || align=right | 30 km || |-id=278 bgcolor=#E9E9E9 | 278 Paulina || — || || May 16, 1888 || Vienna || J. Palisa || — || align=right | 33 km || |-id=279 bgcolor=#d6d6d6 | 279 Thule || — || || October 25, 1888 || Vienna || J. Palisa || 4:3 || align=right | 127 km || |-id=280 bgcolor=#d6d6d6 | 280 Philia || — || || October 29, 1888 || Vienna || J. Palisa || — || align=right | 46 km || |-id=281 bgcolor=#fefefe | 281 Lucretia || — || || October 31, 1888 || Vienna || J. Palisa || FLO || align=right | 11 km || |-id=282 bgcolor=#fefefe | 282 Clorinde || — || || January 28, 1889 || Nice || A. Charlois || — || align=right | 39 km || |-id=283 bgcolor=#d6d6d6 | 283 Emma || — || || February 8, 1889 || Nice || A. Charlois || EMAmoon || align=right | 132 km || |-id=284 bgcolor=#fefefe | 284 Amalia || — || || May 29, 1889 || Nice || A. Charlois || — || align=right | 53 km || |-id=285 bgcolor=#d6d6d6 | 285 Regina || — || || August 3, 1889 || Nice || A. Charlois || — || align=right | 47 km || |-id=286 bgcolor=#d6d6d6 | 286 Iclea || — || || August 3, 1889 || Vienna || J. Palisa || — || align=right | 94 km || |-id=287 bgcolor=#fefefe | 287 Nephthys || — || || August 25, 1889 || Clinton || C. H. F. Peters || — || align=right | 60 km || |-id=288 bgcolor=#E9E9E9 | 288 Glauke || — || || February 20, 1890 || Düsseldorf || R. Luther || slow || align=right | 29 km || |-id=289 bgcolor=#d6d6d6 | 289 Nenetta || — || || March 10, 1890 || Nice || A. Charlois || — || align=right | 38 km || |-id=290 bgcolor=#fefefe | 290 Bruna || — || || March 20, 1890 || Vienna || J. Palisa || PHO || align=right | 9.8 km || |-id=291 bgcolor=#fefefe | 291 Alice || —