|| align=right | 12 km || |-id=342 bgcolor=#fefefe | 56342 || || — || December 5, 1999 || Kitt Peak || Spacewatch || — || align=right | 1.6 km || |-id=343 bgcolor=#fefefe | 56343 || 1999 YG || — || December 16, 1999 || Socorro || LINEAR || H || align=right | 2.0 km || |-id=344 bgcolor=#fefefe | 56344 || || — || December 29, 1999 || Socorro || LINEAR || H || align=right | 1.4 km || |-id=345 bgcolor=#fefefe | 56345 || || — || January 3, 2000 || Socorro || LINEAR || — || align=right | 2.0 km || |-id=346 bgcolor=#fefefe | 56346 || || — || January 4, 2000 || Socorro || LINEAR || V || align=right | 1.8 km || |-id=347 bgcolor=#E9E9E9 | 56347 || || — || January 4, 2000 || Socorro || LINEAR || — || align=right | 5.2 km || |-id=348 bgcolor=#fefefe | 56348 || || — || January 5, 2000 || Socorro || LINEAR || FLO || align=right | 2.0 km || |-id=349 bgcolor=#fefefe | 56349 || || — || January 5, 2000 || Socorro || LINEAR || ERI || align=right | 4.6 km || |-id=350 bgcolor=#E9E9E9 | 56350 || || — || January 5, 2000 || Socorro || LINEAR || — || align=right | 6.2 km || |-id=351 bgcolor=#fefefe | 56351 || || — || January 4, 2000 || Socorro || LINEAR || H || align=right | 1.9 km || |-id=352 bgcolor=#fefefe | 56352 || || — || January 6, 2000 || Socorro || LINEAR || H || align=right | 1.6 km || |-id=353 bgcolor=#E9E9E9 | 56353 || || — || January 5, 2000 || Socorro || LINEAR || — || align=right | 6.3 km || |-id=354 bgcolor=#fefefe | 56354 || || — || January 5, 2000 || Socorro || LINEAR || FLO || align=right | 2.3 km || |-id=355 bgcolor=#C2FFFF | 56355 || || — || January 6, 2000 || Socorro || LINEAR || L4 || align=right | 18 km || |-id=356 bgcolor=#E9E9E9 | 56356 || || — || January 5, 2000 || Socorro || LINEAR || — || align=right | 3.3 km || |-id=357 bgcolor=#fefefe | 56357 || || — || January 5, 2000 || Socorro || LINEAR || — || align=right | 1.5 km || |-id=358 bgcolor=#fefefe | 56358 || || — || January 9, 2000 || Socorro || LINEAR || H || align=right | 1.5 km ||