421001–421100
|-bgcolor=#d6d6d6 | 421001 || || — || February 5, 2011 || Haleakala || Pan-STARRS 1 || || align=right | 2.8 km || |-id=002 bgcolor=#d6d6d6 | 421002 || || — || June 21, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.5 km || |-id=003 bgcolor=#e9e9e9 | 421003 || || — || October 27, 2005 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=004 bgcolor=#fefefe | 421004 || || — || September 16, 2010 || Kitt Peak || Spacewatch || (2076) || align=right data-sort-value="0.86" | 860 m || |-id=005 bgcolor=#fefefe | 421005 || || — || December 13, 2004 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.93" | 930 m || |-id=006 bgcolor=#e9e9e9 | 421006 || || — || February 8, 2007 || Palomar || NEAT || || align=right | 2.5 km || |-id=007 bgcolor=#d6d6d6 | 421007 || || — || March 1, 2010 || WISE || WISE || || align=right | 5.4 km || |-id=008 bgcolor=#fefefe | 421008 || || — || February 2, 2005 || Kitt Peak || Spacewatch || || align=right data-sort-value="0.87" | 870 m || |-id=009 bgcolor=#d6d6d6 | 421009 || || — || October 5, 2003 || Kitt Peak || Spacewatch || EOS || align=right | 2.2 km || |-id=010 bgcolor=#e9e9e9 | 421010 || || — || October 24, 2009 || Mount Lemmon || Mount Lemmon Survey || EUN || align=right | 1.4 km || |-id=011 bgcolor=#fefefe | 421011 || || — || September 14, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.90" | 900 m || |-id=012 bgcolor=#d6d6d6 | 421012 || || — || February 4, 2005 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=013 bgcolor=#d6d6d6 | 421013 || || — || October 2, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.2 km || |-id=014 bgcolor=#d6d6d6 | 421014 || || — || March 18, 2001 || Kitt Peak || Spacewatch || EOS || align=right | 2.2 km || |-id=015 bgcolor=#fefefe | 421015 || || — || March 12, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right data-sort-value="0.85" | 850 m || |-id=016 bgcolor=#fefefe | 421016 || || — || May 4, 2005 || Palomar || NEAT || || align=right | 1.8 km || |-id=017 bgcolor=#d6d6d6 | 421017 || || — || September 6, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.8 km || |-id=018 bgcolor=#d6d6d6 | 421018 || || — || June 20, 2013 || Haleakala || Pan-STARRS 1 || || align=right | 3.3 km || |-id=019 bgcolor=#d6d6d6 | 421019 || || — || November 30, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.0 km || |-id=020 bgcolor=#d6d6d6 | 421020 || || — || March 12, 2007 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=021 bgcolor=#e9e9e9 | 421021 || || — || November 25, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=022 bgcolor=#d6d6d6 | 421022 || || — || December 13, 2004 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=023 bgcolor=#d6d6d6 | 421023 || || — || September 29, 2003 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=024 bgcolor=#e9e9e9 | 421024 || || — || October 10, 1996 || Kitt Peak || Spacewatch || || align=right | 1.6 km || |-id=025 bgcolor=#e9e9e9 | 421025 || || — || October 28, 2005 || Campo Imperatore || CINEOS || || align=right | 1.6 km || |-id=026 bgcolor=#d6d6d6 | 421026 || || — || September 19, 2003 || Kitt Peak || Spacewatch || || align=right | 2.5 km || |-id=027 bgcolor=#e9e9e9 | 421027 || || — || November 2, 2005 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=028 bgcolor=#e9e9e9 | 421028 || || — || November 27, 2000 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=029 bgcolor=#e9e9e9 | 421029 || || — || August 27, 2009 || Kitt Peak || Spacewatch || || align=right | 1.5 km || |-id=030 bgcolor=#d6d6d6 | 421030 || || — || December 13, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.5 km || |-id=031 bgcolor=#d6d6d6 | 421031 || || — || November 24, 2009 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=032 bgcolor=#c2ffff | 421032 || || — || April 3, 2008 || Mount Lemmon || Mount Lemmon Survey || L5 || align=right | 9.9 km || |-id=033 bgcolor=#d6d6d6 | 421033 || || — || December 18, 2009 || Mount Lemmon || Mount Lemmon Survey || EOS || align=right | 1.8 km || |-id=034 bgcolor=#e9e9e9 | 421034 || || — || February 24, 2012 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=035 bgcolor=#d6d6d6 | 421035 || || — || November 3, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.0 km || |-id=036 bgcolor=#d6d6d6 | 421036 || || — || October 2, 2006 || Mount Lemmon || Mount Lemmon Survey || 3:2 || align=right | 4.4 km || |-id=037 bgcolor=#fefefe | 421037 || || — || September 16, 2006 || Kitt Peak || Spacewatch || || align=right | 1.0 km || |-id=038 bgcolor=#e9e9e9 | 421038 || || — || September 11, 2004 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=039 bgcolor=#e9e9e9 | 421039 || || — || March 16, 2007 || Kitt Peak || Spacewatch || || align=right | 2.2 km || |-id=040 bgcolor=#e9e9e9 | 421040 || || — || March 25, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.4 km || |-id=041 bgcolor=#d6d6d6 | 421041 || || — || August 4, 2002 || Palomar || NEAT || || align=right | 2.9 km || |-id=042 bgcolor=#d6d6d6 | 421042 || || — || September 26, 2003 || Apache Point || SDSS || || align=right | 1.9 km || |-id=043 bgcolor=#fefefe | 421043 || || — || October 2, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.3 km || |-id=044 bgcolor=#e9e9e9 | 421044 || || — || August 5, 2005 || Palomar || NEAT || || align=right | 1.3 km || |-id=045 bgcolor=#d6d6d6 | 421045 || || — || September 21, 2003 || Kitt Peak || Spacewatch || || align=right | 2.4 km || |-id=046 bgcolor=#d6d6d6 | 421046 || || — || February 7, 2006 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.1 km || |-id=047 bgcolor=#d6d6d6 | 421047 || || — || August 23, 2003 || Cerro Tololo || Deep Ecliptic Survey || KOR || align=right | 1.5 km || |-id=048 bgcolor=#d6d6d6 | 421048 || || — || September 18, 2003 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=049 bgcolor=#e9e9e9 | 421049 || 2013 QP || — || October 1, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=050 bgcolor=#d6d6d6 | 421050 || 2013 QV || — || November 21, 2003 || Palomar || NEAT || || align=right | 3.9 km || |-id=051 bgcolor=#e9e9e9 | 421051 || || — || October 5, 2004 || Kitt Peak || Spacewatch || || align=right | 2.3 km || |-id=052 bgcolor=#fefefe | 421052 || || — || March 2, 2005 || Socorro || LINEAR || PHO || align=right | 1.3 km || |-id=053 bgcolor=#e9e9e9 | 421053 || || — || July 29, 2009 || Kitt Peak || Spacewatch || || align=right | 1.4 km || |-id=054 bgcolor=#d6d6d6 | 421054 || || — || September 23, 2008 || Kitt Peak || Spacewatch || || align=right | 2.8 km || |-id=055 bgcolor=#e9e9e9 | 421055 || || — || January 11, 2011 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=056 bgcolor=#d6d6d6 | 421056 || || — || March 15, 2007 || Kitt Peak || Spacewatch || KOR || align=right | 1.3 km || |-id=057 bgcolor=#d6d6d6 | 421057 || || — || April 22, 2007 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=058 bgcolor=#d6d6d6 | 421058 || || — || November 17, 2009 || Mount Lemmon || Mount Lemmon Survey || EOS || align=right | 1.9 km || |-id=059 bgcolor=#d6d6d6 | 421059 || || — || September 9, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=060 bgcolor=#e9e9e9 | 421060 || || — || March 12, 2002 || Palomar || NEAT || || align=right | 2.4 km || |-id=061 bgcolor=#d6d6d6 | 421061 || || — || September 20, 2001 || Apache Point || SDSS || || align=right | 6.1 km || |-id=062 bgcolor=#e9e9e9 | 421062 || || — || March 20, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.4 km || |-id=063 bgcolor=#d6d6d6 | 421063 || || — || January 13, 2005 || Catalina || CSS || || align=right | 3.4 km || |-id=064 bgcolor=#d6d6d6 | 421064 || || — || October 7, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.6 km || |-id=065 bgcolor=#fefefe | 421065 || || — || September 19, 2006 || Kitt Peak || Spacewatch || || align=right | 1.3 km || |-id=066 bgcolor=#d6d6d6 | 421066 || || — || December 18, 2004 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.1 km || |-id=067 bgcolor=#d6d6d6 | 421067 || || — || February 25, 2006 || Kitt Peak || Spacewatch || || align=right | 2.6 km || |-id=068 bgcolor=#d6d6d6 | 421068 || || — || November 25, 2009 || Kitt Peak || Spacewatch || || align=right | 1.9 km || |-id=069 bgcolor=#d6d6d6 | 421069 || || — || September 28, 2008 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.6 km || |-id=070 bgcolor=#d6d6d6 | 421070 || || — || February 8, 2011 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.7 km || |-id=071 bgcolor=#e9e9e9 | 421071 || || — || January 27, 2007 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.7 km || |-id=072 bgcolor=#d6d6d6 | 421072 || || — || March 25, 2010 || WISE || WISE || || align=right | 4.9 km || |-id=073 bgcolor=#e9e9e9 | 421073 || || — || May 30, 2003 || Cerro Tololo || Deep Ecliptic Survey || || align=right | 1.5 km || |-id=074 bgcolor=#d6d6d6 | 421074 || || — || October 18, 2003 || Kitt Peak || Spacewatch || || align=right | 2.1 km || |-id=075 bgcolor=#d6d6d6 | 421075 || || — || March 4, 2005 || Kitt Peak || Spacewatch || EOS || align=right | 1.9 km || |-id=076 bgcolor=#d6d6d6 | 421076 || || — || December 11, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.1 km || |-id=077 bgcolor=#fefefe | 421077 || || — || October 13, 2010 || Mount Lemmon || Mount Lemmon Survey || V || align=right data-sort-value="0.66" | 660 m || |-id=078 bgcolor=#d6d6d6 | 421078 || || — || September 23, 2008 || Kitt Peak || Spacewatch || || align=right | 2.9 km || |-id=079 bgcolor=#e9e9e9 | 421079 || || — || October 7, 2004 || Kitt Peak || Spacewatch || || align=right | 1.8 km || |-id=080 bgcolor=#d6d6d6 | 421080 || || — || January 27, 2000 || Kitt Peak || Spacewatch || || align=right | 3.5 km || |-id=081 bgcolor=#e9e9e9 | 421081 || || — || October 23, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 1.9 km || |-id=082 bgcolor=#d6d6d6 | 421082 || || — || March 31, 2012 || Mount Lemmon || Mount Lemmon Survey || || align=right | 3.0 km || |-id=083 bgcolor=#e9e9e9 | 421083 || || — || October 24, 2009 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=084 bgcolor=#d6d6d6 | 421084 || || — || September 19, 2003 || Palomar || NEAT || || align=right | 1.4 km || |-id=085 bgcolor=#d6d6d6 | 421085 || || — || July 24, 2003 || Palomar || NEAT || BRA || align=right | 2.3 km || |-id=086 bgcolor=#fefefe | 421086 || || — || October 2, 1999 || Kitt Peak || Spacewatch || || align=right | 1.1 km || |-id=087 bgcolor=#d6d6d6 | 421087 || || — || November 22, 2009 || Mount Lemmon || Mount Lemmon Survey || || align=right | 2.9 km || |-id=088 bgcolor=#e9e9e9 | 421088 || || — || October 7, 2004 || Kitt Peak || Spacewatch || HOF || align=right | 2.8 km || |-id=089 bgcolor=#d6d6d6 | 421089 || || — || September 22, 2008 || Kitt Peak || Spacewatch || || align=right | 3.1 km || |-id=090 bgcolor=#d6d6d6 | 421090 || || — || September 29, 2003 || Kitt Peak || Spacewatch || || align=right | 1.7 km || |-id=091 bgcolor=#d6d6d6 | 421091 || || — || October 23, 2003 || Apache Point || SDSS || || align=right | 2.1 km || |-id=092 bgcolor=#d6d6d6 | 421092 || || — || April 24, 2007 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=093 bgcolor=#e9e9e9 | 421093 || || — || September 13, 2004 || Kitt Peak || Spacewatch || || align=right | 2.0 km || |-id=094 bgcolor=#fefefe | 421094 || || — || August 18, 2006 || Kitt Peak || Spacewatch || || align=right | 1.2 km || |-id=095 bgcolor=#d6d6d6 | 421095 || || — || May 16, 2012 || Kitt Peak || Spacewatch || || align=right | 2.7 km || |-id=096 bgcolor=#d6d6d6