|| align=right | 6.0 km || |-id=253 bgcolor=#fefefe | 27253 Graceleanor || || || December 6, 1999 || Socorro || LINEAR || NYS || align=right | 4.3 km || |-id=254 bgcolor=#fefefe | 27254 Shubhrosaha || || || December 6, 1999 || Socorro || LINEAR || V || align=right | 1.5 km || |-id=255 bgcolor=#fefefe | 27255 || || — || December 6, 1999 || Socorro || LINEAR || V || align=right | 3.1 km || |-id=256 bgcolor=#E9E9E9 | 27256 || || — || December 6, 1999 || Socorro || LINEAR || — || align=right | 4.0 km || |-id=257 bgcolor=#fefefe | 27257 Tang-Quan || || || December 6, 1999 || Socorro || LINEAR || FLO || align=right | 3.0 km || |-id=258 bgcolor=#fefefe | 27258 Chelseavoss || || || December 7, 1999 || Socorro || LINEAR || — || align=right | 2.6 km || |-id=259 bgcolor=#E9E9E9 | 27259 || || — || December 13, 1999 || Fountain Hills || C. W. Juels || GER || align=right | 8.3 km || |-id=260 bgcolor=#fefefe | 27260 || || — || December 8, 1999 || Socorro || LINEAR || PHO || align=right | 4.9 km || |-id=261 bgcolor=#fefefe | 27261 Yushiwang || || || December 8, 1999 || Socorro || LINEAR || — || align=right | 5.7 km || |-id=262 bgcolor=#fefefe | 27262 || || — || December 12, 1999 || Socorro || LINEAR || V || align=right | 3.3 km || |-id=263 bgcolor=#fefefe | 27263 Elainezhou || || || December 12, 1999 || Socorro || LINEAR || V || align=right | 2.3 km || |-id=264 bgcolor=#fefefe | 27264 Frankclayton || || || December 12, 1999 || Socorro || LINEAR || — || align=right | 3.6 km || |-id=265 bgcolor=#fefefe | 27265 Toddgonzales || || || December 4, 1999 || Anderson Mesa || LONEOS || V || align=right | 2.6 km || |-id=266 bgcolor=#fefefe | 27266 || 1999 YH || — || December 16, 1999 || Socorro || LINEAR || H || align=right | 1.8 km || |-id=267 bgcolor=#fefefe | 27267 Wiberg || || || December 28, 1999 || Fair Oaks Ranch || J. V. McClusky || — || align=right | 2.6 km || |-id=268 bgcolor=#fefefe | 27268 || || — || December 31, 1999 || Oizumi || T. Kobayashi || FLO || align=right | 3.3 km || |-id=269 bgcolor=#fefefe | 27269 Albinocarbognani || || || January 3, 2000 || San Marcello ||