277001–277100
|-bgcolor=#E9E9E9
| 277001 || || — || December 9, 2004 || Catalina || CSS || — || align=right | 1.9 km || |-id=002 bgcolor=#E9E9E9 | 277002 || || — || December 9, 2004 || Catalina || CSS || WIT || align=right | 1.8 km || |-id=003 bgcolor=#E9E9E9 | 277003 || || — || December 10, 2004 || Kitt Peak || Spacewatch || — || align=right | 3.6 km || |-id=004 bgcolor=#d6d6d6 | 277004 || || — || December 10, 2004 || Socorro || LINEAR || — || align=right | 2.8 km || |-id=005 bgcolor=#d6d6d6 | 277005 || || — || December 11, 2004 || Socorro || LINEAR || — || align=right | 2.6 km || |-id=006 bgcolor=#d6d6d6 | 277006 || || — || December 12, 2004 || Kitt Peak || Spacewatch || BRA || align=right | 1.9 km || |-id=007 bgcolor=#E9E9E9 | 277007 || || — || December 14, 2004 || Socorro || LINEAR || — || align=right | 2.5 km || |-id=008 bgcolor=#fefefe | 277008 || || — || December 14, 2004 || Campo Imperatore || CINEOS || H || align=right data-sort-value="0.74" | 740 m || |-id=009 bgcolor=#E9E9E9 | 277009 || || — || December 15, 2004 || Socorro || LINEAR || — || align=right | 2.3 km || |-id=010 bgcolor=#E9E9E9 | 277010 || || — || December 15, 2004 || Socorro || LINEAR || — || align=right | 1.6 km || |-id=011 bgcolor=#d6d6d6 | 277011 || || — || December 18, 2004 || Mount Lemmon || Mount Lemmon Survey || — || align=right | 2.6 km || |-id=012 bgcolor=#d6d6d6 | 277012 || || — || December 18, 2004 || Mount Lemmon || Mount Lemmon Survey || KOR || align=right | 1.4 km || |-id=013 bgcolor=#E9E9E9 | 277013 || || — || January 6, 2005 || Socorro || LINEAR || — || align=right | 3.9 km || |-id=014 bgcolor=#E9E9E9 | 277014 || || — || January 6, 2005 || Socorro || LINEAR || WAT || align=right | 2.9 km || |-id=015 bgcolor=#d6d6d6 | 277015 || || — || January 11, 2005 || Socorro || LINEAR || HYG || align=right | 4.6 km || |-id=016 bgcolor=#d6d6d6 | 277016 || || — || January 13, 2005 || Kitt Peak || Spacewatch || — || align=right | 3.7 km || |-id=017 bgcolor=#E9E9E9 | 277017 || || — || January 13, 2005 || Kitt Peak || Spacewatch || — || align=right | 2.8 km || |-id=018 bgcolor=#d6d6d6 | 277018 || || — || January 15, 2005 || Kitt Peak || Spacewatch || — || align=right | 2.9 km || |-id=019 bgcolor=#E9E9E9 | 277019 || || — || January 15, 2005 || Catalina || CSS || — || align=right | 4.1 km || |-id=020 bgcolor=#d6d6d6 | 277020 || || — || January 15, 2005 || Catalina || CSS || — || align=right | 3.7 km || |-id=021 bgcolor=#fefefe | 277021 || || — || January 13, 2005 || Kitt Peak || Spacewatch || NYS || align=right data-sort-value="0.74" | 740 m || |-id=022 bgcolor=#d6d6d6 | 277022 || || — || January 15, 2005 || Kitt Peak || Spacewatch || 615 || align=right | 1.7 km || |-id=023 bgcolor=#d6d6d6 | 277023 || || — || January 15, 2005 || Kitt Peak || Spacewatch || — || align=right | 3.3 km || |-id=024 bgcolor=#d6d6d6 | 277024 || || — || January 15, 2005 || Kitt Peak || Spacewatch || — || align=right | 5.3 km || |-id=025 bgcolor=#E9E9E9 | 277025 || || — || January 16, 2005 || Kitt Peak || Spacewatch || HOF || align=right | 3.7 km || |-id=026 bgcolor=#d6d6d6 | 277026 || || — || January 16, 2005 || Socorro || LINEAR || — || align=right | 3.7 km || |-id=027 bgcolor=#d6d6d6 | 277027 || || — || February 1, 2005 || Palomar || NEAT || — || align=right | 3.6 km || |-id=028 bgcolor=#d6d6d6 | 277028 || || — || February 1, 2005 || Palomar || NEAT || — || align=right | 4.1 km || |-id=029 bgcolor=#d6d6d6 | 277029 || || — || February 4, 2005 || Wrightwood || J. W. Young || — || align=right | 3.7 km || |-id=030 bgcolor=#d6d6d6 | 277030 || || — || February 1, 2005 || Kitt Peak || Spacewatch || — || align=right | 2.6 km || |-id=031 bgcolor=#d6d6d6 | 277031 || || — || February 2, 2005 || Kitt Peak || Spacewatch || — || align=right | 3.8 km || |-id=032 bgcolor=#d6d6d6 | 277032 || || — || February 2, 2005 || Catalina || CSS || — || align=right | 5.4 km || |-id=033 bgcolor=#d6d6d6 | 277033 || || — || February 4, 2005 || Palomar || NEAT || — || align=right | 2.6 km || |-id=034 bgcolor=#d6d6d6 | 277034 || || — || February 1, 2005 || Kitt Peak || Spacewatch || EOS || align=right | 3.6 km || |-id=035 bgcolor=#fefefe | 277035 || || — || February 1, 2005 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.99" | 990 m || |-id=036 bgcolor=#E9E9E9 | 277036 || || — || February 2, 2005 || Kitt Peak || Spacewatch || — || align=right | 2.0 km || |-id=037 bgcolor=#d6d6d6 | 277037 || || — || February 7, 2005 || Jonathan B. Postel || Jonathan B. Postel Obs. || — || align=right | 4.4 km || |-id=038 bgcolor=#d6d6d6 | 277038 || || — || February 9, 2005 || La Silla || A. Boattini, H.