29, 1998 || Višnjan Observatory || Višnjan Obs. || V || align=right | 3.4 km || |-id=288 bgcolor=#E9E9E9 | 13288 || || — || August 24, 1998 || Socorro || LINEAR || — || align=right | 5.9 km || |-id=289 bgcolor=#d6d6d6 | 13289 || || — || August 24, 1998 || Socorro || LINEAR || EOS || align=right | 7.3 km || |-id=290 bgcolor=#E9E9E9 | 13290 || || — || August 24, 1998 || Socorro || LINEAR || HNS || align=right | 8.8 km || |-id=291 bgcolor=#d6d6d6 | 13291 || || — || August 24, 1998 || Socorro || LINEAR || — || align=right | 15 km || |-id=292 bgcolor=#E9E9E9 | 13292 || || — || August 28, 1998 || Socorro || LINEAR || — || align=right | 4.9 km || |-id=293 bgcolor=#fefefe | 13293 Mechelen || || || August 26, 1998 || La Silla || E. W. Elst || — || align=right | 3.8 km || |-id=294 bgcolor=#fefefe | 13294 Rockox || || || August 25, 1998 || La Silla || E. W. Elst || FLO || align=right | 5.2 km || |-id=295 bgcolor=#d6d6d6 | 13295 || 1998 RE || — || September 2, 1998 || Dynic || A. Sugie || — || align=right | 18 km || |-id=296 bgcolor=#d6d6d6 | 13296 || 1998 RV || — || September 11, 1998 || Woomera || F. B. Zoltowski || EOS || align=right | 13 km || |-id=297 bgcolor=#d6d6d6 | 13297 || 1998 RX || — || September 12, 1998 || Oizumi || T. Kobayashi || — || align=right | 23 km || |-id=298 bgcolor=#fefefe | 13298 Namatjira || || || September 15, 1998 || Reedy Creek || J. Broughton || — || align=right | 5.1 km || |-id=299 bgcolor=#fefefe | 13299 || || — || September 4, 1998 || Xinglong || SCAP || FLO || align=right | 4.1 km || |-id=300 bgcolor=#E9E9E9 | 13300 || || — || September 14, 1998 || Xinglong || SCAP || — || align=right | 3.7 km || |} 13301–13400 |-bgcolor=#E9E9E9 | 13301 || || — || September 14, 1998 || Socorro || LINEAR || HEN || align=right | 3.8 km || |-id=302 bgcolor=#fefefe | 13302 Kezmoh || || || September 14, 1998 || Socorro || LINEAR || FLO || align=right | 2.9 km || |-id=303 bgcolor=#E9E9E9 | 13303 Asmitakumar || || || September 14, 1998 || Socorro || LINEAR || — || align=right |