October 10, 1999 || Socorro || LINEAR || — || align=right | 1.9 km || |-id=252 bgcolor=#E9E9E9 | 162252 || || — || October 10, 1999 || Socorro || LINEAR || — || align=right | 1.3 km || |-id=253 bgcolor=#E9E9E9 | 162253 || || — || October 2, 1999 || Kitt Peak || Spacewatch || — || align=right | 1.4 km || |-id=254 bgcolor=#E9E9E9 | 162254 || || — || October 9, 1999 || Socorro || LINEAR || — || align=right | 2.8 km || |-id=255 bgcolor=#E9E9E9 | 162255 || || — || October 9, 1999 || Socorro || LINEAR || — || align=right | 3.3 km || |-id=256 bgcolor=#d6d6d6 | 162256 || || — || October 7, 1999 || Socorro || LINEAR || HIL3:2 || align=right | 8.8 km || |-id=257 bgcolor=#E9E9E9 | 162257 || || — || October 7, 1999 || Socorro || LINEAR || — || align=right | 1.6 km || |-id=258 bgcolor=#E9E9E9 | 162258 || || — || October 2, 1999 || Socorro || LINEAR || — || align=right | 1.3 km || |-id=259 bgcolor=#E9E9E9 | 162259 || || — || October 31, 1999 || Socorro || LINEAR || — || align=right | 7.0 km || |-id=260 bgcolor=#fefefe | 162260 || || — || October 31, 1999 || Socorro || LINEAR || H || align=right | 1.2 km || |-id=261 bgcolor=#fefefe | 162261 || || — || October 30, 1999 || Catalina || CSS || H || align=right data-sort-value="0.97" | 970 m || |-id=262 bgcolor=#E9E9E9 | 162262 || || — || October 31, 1999 || Kitt Peak || Spacewatch || — || align=right | 1.4 km || |-id=263 bgcolor=#E9E9E9 | 162263 || || — || October 28, 1999 || Catalina || CSS || — || align=right | 1.3 km || |-id=264 bgcolor=#E9E9E9 | 162264 || || — || October 29, 1999 || Anderson Mesa || LONEOS || — || align=right | 3.2 km || |-id=265 bgcolor=#E9E9E9 | 162265 || || — || October 29, 1999 || Anderson Mesa || LONEOS || — || align=right | 2.3 km || |-id=266 bgcolor=#E9E9E9 | 162266 || || — || October 31, 1999 || Catalina || CSS || — || align=right | 1.6 km || |-id=267 bgcolor=#E9E9E9 | 162267 || || — || October 29, 1999 || Anderson Mesa || LONEOS || — || align=right | 2.1 km || |-id=268 bgcolor=#E9E9E9 | 162268 || || — || October 31, 1999