September 13, 1999 || Višnjan Observatory || K. Korlević || KOR || align=right | 5.6 km || |-id=273 bgcolor=#d6d6d6 | 38273 || || — || September 14, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 8.0 km || |-id=274 bgcolor=#d6d6d6 | 38274 || || — || September 14, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 4.8 km || |-id=275 bgcolor=#E9E9E9 | 38275 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 2.5 km || |-id=276 bgcolor=#d6d6d6 | 38276 || || — || September 7, 1999 || Socorro || LINEAR || ALA || align=right | 12 km || |-id=277 bgcolor=#d6d6d6 | 38277 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 3.5 km || |-id=278 bgcolor=#fefefe | 38278 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 2.0 km || |-id=279 bgcolor=#E9E9E9 | 38279 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 2.6 km || |-id=280 bgcolor=#E9E9E9 | 38280 || || — || September 7, 1999 || Socorro || LINEAR || RAF || align=right | 2.6 km || |-id=281 bgcolor=#E9E9E9 | 38281 || || — || September 7, 1999 || Socorro || LINEAR || EUN || align=right | 3.8 km || |-id=282 bgcolor=#E9E9E9 | 38282 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 3.3 km || |-id=283 bgcolor=#E9E9E9 | 38283 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 5.9 km || |-id=284 bgcolor=#E9E9E9 | 38284 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 4.9 km || |-id=285 bgcolor=#d6d6d6 | 38285 || || — || September 7, 1999 || Socorro || LINEAR || KOR || align=right | 3.6 km || |-id=286 bgcolor=#fefefe | 38286 || || — || September 7, 1999 || Socorro || LINEAR || MAS || align=right | 2.2 km || |-id=287 bgcolor=#E9E9E9 | 38287 || || — || September 7, 1999 || Socorro || LINEAR || PAD || align=right | 7.4 km || |-id=288 bgcolor=#d6d6d6 | 38288 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 6.5 km || |-id=289 bgcolor=#E9E9E9 | 38289 || || — || September 7, 1999