6.1 km || |-id=234 bgcolor=#d6d6d6 | 178234 || || — || November 18, 2006 || Kitt Peak || Spacewatch || — || align=right | 4.3 km || |-id=235 bgcolor=#fefefe | 178235 || || — || November 19, 2006 || Kitt Peak || Spacewatch || — || align=right | 1.2 km || |-id=236 bgcolor=#fefefe | 178236 || || — || November 19, 2006 || Kitt Peak || Spacewatch || MAS || align=right data-sort-value="0.97" | 970 m || |-id=237 bgcolor=#d6d6d6 | 178237 || || — || November 17, 2006 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 4.7 km || |-id=238 bgcolor=#fefefe | 178238 || || — || November 22, 2006 || Catalina || CSS || — || align=right | 1.3 km || |-id=239 bgcolor=#E9E9E9 | 178239 || || — || November 23, 2006 || Kitt Peak || Spacewatch || AST || align=right | 3.0 km || |-id=240 bgcolor=#E9E9E9 | 178240 || || — || December 6, 2006 || Palomar || NEAT || JUN || align=right | 2.3 km || |-id=241 bgcolor=#d6d6d6 | 178241 || || — || December 9, 2006 || Kitt Peak || Spacewatch || THM || align=right | 3.6 km || |-id=242 bgcolor=#d6d6d6 | 178242 || 2006 YX || — || December 16, 2006 || Kitt Peak || Spacewatch || — || align=right | 3.9 km || |-id=243 bgcolor=#E9E9E9 | 178243 Schaerding || || || December 22, 2006 || Gaisberg || R. Gierlinger || — || align=right | 2.4 km || |-id=244 bgcolor=#d6d6d6 | 178244 || || — || December 21, 2006 || Catalina || CSS || — || align=right | 4.4 km || |-id=245 bgcolor=#d6d6d6 | 178245 || 2007 BT || — || January 16, 2007 || Anderson Mesa || LONEOS || — || align=right | 4.5 km || |-id=246 bgcolor=#d6d6d6 | 178246 || || — || January 24, 2007 || Catalina || CSS || — || align=right | 4.8 km || |-id=247 bgcolor=#E9E9E9 | 178247 || || — || February 21, 2007 || RAS || A. Lowe || — || align=right | 3.4 km || |-id=248 bgcolor=#d6d6d6 | 178248 || || — || September 9, 2007 || Kitt Peak || Spacewatch || EOS || align=right | 6.0 km || |-id=249 bgcolor=#d6d6d6 | 178249 || || — || September 13, 2007 || Catalina || CSS || TIR || align=right | 4.6 km || |-id=250 bgcolor=#E9E9E9 | 178250 || || — || October 10, 2007