7, 1999 || Socorro || LINEAR || — || align=right | 3.0 km || |-id=256 bgcolor=#E9E9E9 | 38256 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 3.2 km || |-id=257 bgcolor=#C2FFFF | 38257 || || — || September 7, 1999 || Socorro || LINEAR || L5 || align=right | 17 km || |-id=258 bgcolor=#d6d6d6 | 38258 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 3.9 km || |-id=259 bgcolor=#d6d6d6 | 38259 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 12 km || |-id=260 bgcolor=#E9E9E9 | 38260 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 5.8 km || |-id=261 bgcolor=#d6d6d6 | 38261 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 9.4 km || |-id=262 bgcolor=#d6d6d6 | 38262 || || — || September 7, 1999 || Socorro || LINEAR || HYG || align=right | 3.8 km || |-id=263 bgcolor=#d6d6d6 | 38263 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 10 km || |-id=264 bgcolor=#E9E9E9 | 38264 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 13 km || |-id=265 bgcolor=#d6d6d6 | 38265 || || — || September 7, 1999 || Socorro || LINEAR || VER || align=right | 7.9 km || |-id=266 bgcolor=#d6d6d6 | 38266 || || — || September 7, 1999 || Socorro || LINEAR || KOR || align=right | 6.0 km || |-id=267 bgcolor=#d6d6d6 | 38267 || || — || September 7, 1999 || Socorro || LINEAR || KOR || align=right | 4.5 km || |-id=268 bgcolor=#E9E9E9 | 38268 Zenkert || || || September 9, 1999 || Drebach || A. Knöfel || NEM || align=right | 4.7 km || |-id=269 bgcolor=#d6d6d6 | 38269 Gueymard || || || September 10, 1999 || Needville || W. G. Dillon, K. Rivich || — || align=right | 5.6 km || |-id=270 bgcolor=#E9E9E9 | 38270 Wettzell || || || September 11, 1999 || Starkenburg Observatory || Starkenburg Obs. || — || align=right | 2.9 km || |-id=271 bgcolor=#d6d6d6 | 38271 || || — || September 12, 1999 || Ondřejov || M. Wolf, P. Pravec || — || align=right | 5.3 km || |-id=272 bgcolor=#d6d6d6 | 38272 || || — ||