List of unnumbered minor planets: 2004 A–B

This is a partial list of unnumbered minor planets for principal provisional designations assigned during 1–31 January 2004. , a total of 102 bodies remain unnumbered for this period. Objects for this year are listed on the following pages: A–B · C · D–E · F · G–H · J–O · P–Q · Ri · Rii · Riii · S · Ti · Tii · Tiii · Tiv · U–V · W–X and Y. Also see previous and next year.

A

|- id="2004 AC" bgcolor=#FFC2E0 | 2 || 2004 AC || APO || 18.9 || data-sort-value="0.59" | 590 m || multiple || 2004–2020 || 20 Dec 2020 || 147 || align=left | Disc.: LINEAR || |- id="2004 AD" bgcolor=#FFC2E0 | 5 || 2004 AD || APO || 24.4 || data-sort-value="0.047" | 47 m || single || 26 days || 30 Jan 2004 || 86 || align=left | Disc.: LONEOS || |- id="2004 AM" bgcolor=#FFC2E0 | 7 || 2004 AM || AMO || 19.3 || data-sort-value="0.49" | 490 m || single || 16 days || 28 Jan 2004 || 24 || align=left | Disc.: NEAT || |- id="2004 AD1" bgcolor=#FFC2E0 | 1 || || APO || 22.5 || data-sort-value="0.11" | 110 m || multiple || 2004–2019 || 30 Aug 2019 || 74 || align=left | Disc.: LONEOS || |- id="2004 AY1" bgcolor=#FFC2E0 | 2 || || APO || 21.2 || data-sort-value="0.20" | 200 m || multiple || 2004–2017 || 24 Feb 2017 || 61 || align=left | Disc.: LINEAR || |- id="2004 AE6" bgcolor=#FFC2E0 | 7 || || APO || 24.4 || data-sort-value="0.047" | 47 m || single || 17 days || 01 Feb 2004 || 26 || align=left | Disc.: Spacewatch || |- id="2004 AL6" bgcolor=#E9E9E9 | 2 || || MBA-M || 18.2 || data-sort-value="0.68" | 680 m || multiple || 2004–2019 || 24 Oct 2019 || 31 || align=left | Disc.: Spacewatch || |- id="2004 AE9" bgcolor=#FFE699 | 3 || || Asteroid || 17.5 || 1.8 km || single || 89 days || 16 Mar 2004 || 81 || align=left | Disc.: LONEOSMBA at MPC || |- id="2004 AC16" bgcolor=#d6d6d6 | 0 || || MBA-O || 16.3 || 3.1 km || multiple || 2004–2021 || 17 Jan 2021 || 38 || align=left | Disc.: SpacewatchAdded on 11 May 2021Alt.: 2010 JW12 || |- id="2004 AP18" bgcolor=#d6d6d6 | 0 || || MBA-O || 16.8 || 2.4 km || multiple || 2004–2021 || 18 Jan 2021 || 45 || align=left | Disc.: Spacewatch || |- id="2004 AF19" bgcolor=#fefefe | 2 || || MBA-I || 18.6 || data-sort-value="0.57" | 570 m || multiple || 2004–2019 || 10 Jan 2019 || 28 || align=left | Disc.: SpacewatchAdded on 22 July 2020 || |- id="2004 AH19" bgcolor=#fefefe | 0 || || MBA-I || 18.95 || data-sort-value="0.48" | 480 m || multiple || 2003–2021 || 09 Nov 2021 || 43 || align=left | Disc.: Spacewatch || |- id="2004 AM24" bgcolor=#fefefe | 0 || || MBA-I || 18.6 || data-sort-value="0.57" | 570 m || multiple || 2004–2020 || 17 Dec 2020 || 36 || align=left | Disc.: Spacewatch || |- id="2004 AG27" bgcolor=#fefefe | 0 || || MBA-I || 18.96 || data-sort-value="0.48" | 480 m || multiple || 2004–2021 || 07 Nov 2021 || 54 || align=left | Disc.: Spacewatch || |- id="2004 AM27" bgcolor=#fefefe | 0 || || MBA-I || 18.7 || data-sort-value="0.54" | 540 m || multiple || 2004–2019 || 01 Nov 2019 || 37 || align=left | Disc.: Spacewatch || |- id="2004 AQ27" bgcolor=#fefefe | 0 || || MBA-I || 18.7 || data-sort-value="0.54" | 540 m || multiple || 2004–2020 || 23 Jun 2020 || 50 || align=left | Disc.: Spacewatch ||

B

|- id="2004 BB1" bgcolor=#d6d6d6 | 0 || || MBA-O || 17.9 || 1.5 km || multiple || 2004–2020 || 02 Feb 2020 || 41 || align=left | Disc.: SpacewatchAdded on 22 July 2020 || |- id="2004 BY1" bgcolor=#FFC2E0 | 8 || || ATE || 24.5 || data-sort-value="0.045" | 45 m || single || 28 days || 14 Feb 2004 || 37 || align=left | Disc.: AMOS || |- id="2004 BK7" bgcolor=#E9E9E9 | – || || MBA-M || 19.6 || data-sort-value="0.36" | 360 m || single || 2 days || 18 Jan 2004 || 9 || align=left | Disc.: Spacewatch || |- id="2004 BD11" bgcolor=#FA8072 | – || || MCA || 21.2 || data-sort-value="0.17" | 170 m || single || 2 days || 19 Jan 2004 || 18 || align=left | Disc.: Spacewatch || |- id="2004 BF11" bgcolor=#FFC2E0 | 6 || || AMO || 24.0 || data-sort-value="0.056" | 56 m || single || 35 days || 22 Feb 2004 || 37 || align=left | Disc.: Spacewatch || |- id="2004 BH11" bgcolor=#FFC2E0 | 2 || || APO || 23.95 || data-sort-value="0.054" | 60 m || multiple || 2004-2024 || 15 Feb 2024 || 28 || align=left | Disc.: Spacewatch || |- id="2004 BJ11" bgcolor=#FFC2E0 | 5 || || AMO || 21.7 || data-sort-value="0.16" | 160 m || multiple || 2004–2011 || 02 Feb 2011 || 21 || align=left | Disc.: Spacewatch || |- id="2004 BK11" bgcolor=#FFC2E0 | 5 || || AMO || 22.4 || data-sort-value="0.12" | 120 m || single || 29 days || 16 Feb 2004 || 31 || align=left | Disc.: Spacewatch || |- id="2004 BM11" bgcolor=#FFC2E0 | 1 || || APO || 21.99 || data-sort-value="0.16" | 150 m || multiple || 2004–2016 || 30 Aug 2016 || 45 || align=left | Disc.: NEATAlt.: 2016 QP11 || |- id="2004 BR18" bgcolor=#fefefe | 0 || || MBA-I || 18.94 || data-sort-value="0.48" | 480 m || multiple || 2004–2021 || 27 Nov 2021 || 63 || align=left | Disc.: SpacewatchAdded on 5 November 2021 || |- id="2004 BV18" bgcolor=#FFC2E0 | 5 || || APO || 25.9 || data-sort-value="0.023" | 23 m || single || 30 days || 18 Feb 2004 || 96 || align=left | Disc.: Spacewatch || |- id="2004 BW18" bgcolor=#FFC2E0 | 4 || || AMO || 22.5 || data-sort-value="0.11" | 110 m || single || 105 days || 13 Apr 2004 || 93 || align=left | Disc.: LINEAR || |- id="2004 BZ18" bgcolor=#FFC2E0 | 6 || || AMO || 21.2 || data-sort-value="0.20" | 200 m || single || 27 days || 15 Feb 2004 || 30 || align=left | Disc.: LINEAR || |- id="2004 BY21" bgcolor=#FFC2E0 | 0 || || AMO || 18.8 || data-sort-value="0.62" | 620 m || multiple || 2004–2019 || 15 Jan 2019 || 50 || align=left | Disc.: LINEAR || |- id="2004 BD22" bgcolor=#FA8072 | 0 || || MCA || 17.8 || data-sort-value="0.82" | 820 m || multiple || 2004–2019 || 24 Aug 2019 || 70 || align=left | Disc.: NEATAlt.: 2015 OF47 || |- id="2004 BG41" bgcolor=#FFC2E0 | 0 || || APO || 24.4 || data-sort-value="0.047" | 47 m || multiple || 2004–2015 || 02 Nov 2015 || 84 || align=left | Disc.: LINEARAlt.: 2008 AA31 || |- id="2004 BL41" bgcolor=#E9E9E9 | E || || MBA-M || 19.1 || data-sort-value="0.64" | 640 m || single || 3 days || 26 Jan 2004 || 16 || align=left | Disc.: Sierra Nevada Obs. || |- id="2004 BN41" bgcolor=#FFC2E0 | 8 || || APO || 26.1 || data-sort-value="0.021" | 21 m || single || 7 days || 30 Jan 2004 || 23 || align=left | Disc.: LINEAR || |- id="2004 BP53" bgcolor=#FA8072 | 0 || || MCA || 18.9 || data-sort-value="0.70" | 700 m || multiple || 2004–2021 || 10 Feb 2021 || 47 || align=left | Disc.: LINEARAdded on 9 March 2021 || |- id="2004 BR58" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.0 || 1.1 km || multiple || 2004–2021 || 11 Jan 2021 || 81 || align=left | Disc.: Sandlot Obs.Alt.: 2017 BV132 || |- id="2004 BT58" bgcolor=#FFC2E0 | 0 || || ATE || 22.2 || data-sort-value="0.13" | 130 m || multiple || 2004–2020 || 25 Jan 2020 || 132 || align=left | Disc.: LINEAR || |- id="2004 BX58" bgcolor=#FFC2E0 | 0 || || AMO || 19.57 || data-sort-value="0.41" | 450 m || multiple || 2004-2022 || 04 Dec 2022 || 61 || align=left | Disc.: LINEAR || |- id="2004 BZ62" bgcolor=#E9E9E9 | 1 || || MBA-M || 16.8 || 1.3 km || multiple || 2004–2020 || 18 Jan 2020 || 35 || align=left | Disc.: LINEARAlt.: 2008 CX89 || |- id="2004 BH65" bgcolor=#d6d6d6 | 0 || || MBA-O || 17.7 || 1.6 km || multiple || 2003–2020 || 03 Feb 2020 || 30 || align=left | Disc.: LINEARAdded on 22 July 2020 || |- id="2004 BC69" bgcolor=#FA8072 | – || || MCA || 19.6 || data-sort-value="0.36" | 360 m || single || 26 days || 14 Feb 2004 || 18 || alDisc.: Spacewatch || |- id="2004 BZ74" bgcolor=#FFC2E0 | 0 || || APO || 18.1 || data-sort-value="0.962" | 962 m || multiple || 2004–2020 || 05 Feb 2020 || 165 || align=left | Disc.: LINEARNEO larger than 1 kilometer || |- id="2004 BA75" bgcolor=#FFC2E0 | 8 || || APO || 24.4 || data-sort-value="0.047" | 47 m || single || 4 days || 31 Jan 2004 || 14 || align=left | Disc.: Spacewatch || |- id="2004 BB75" bgcolor=#FFC2E0 | 7 || || AMO || 23.1 || data-sort-value="0.085" | 85 m || single || 21 days || 18 Feb 2004 || 41 || align=left | Disc.: LINEAR || |- id="2004 BS75" bgcolor=#E9E9E9 | 1 || || MBA-M || 17.4 || data-sort-value="0.98" | 980 m || multiple || 2004–2020 || 31 Jan 2020 || 66 || align=left | Disc.: LINEAR || |- id="2004 BN77" bgcolor=#E9E9E9 | 2 || || MBA-M || 18.3 || data-sort-value="0.65" | 650 m || multiple || 2004–2019 || 18 Nov 2019 || 44 || align=left | Disc.: LINEAR || |- id="2004 BF85" bgcolor=#FFC2E0 | 0 || || APO || 19.89 || data-sort-value="0.32" | 320 m || multiple || 2004-2026 || 27 Aug 2026 || 91 || align=left | Disc.: LINEAR || |- id="2004 BV85" bgcolor=#fefefe | 1 || || MBA-I || 17.87 || data-sort-value="0.98" | 980 m || multiple || 2004-2025 || 09 Jan 2025 || 29 || align=left | Disc.: LINEAR || |- id="2004 BE86" bgcolor=#FFC2E0 | 0 || || AMO || 21.09 || data-sort-value="0.23" | 200 m || multiple || 2003–2023 || 08 Mar 2023 || 397 || align=left | Disc.: LINEAR || |- id="2004 BK86" bgcolor=#FFC2E0 | 8 || || APO || 25.4 || data-sort-value="0.030" | 30 m || single || 1 day || 31 Jan 2004 || 8 || align=left | Disc.: LINEAR || |- id="2004 BL100" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.55 || data-sort-value="0.49" | 490 m || multiple || 2004-2025 || 23 May 2025 || 33 || align=left | Disc.: Spacewatch || |- id="2004 BC101" bgcolor=#d6d6d6 | 1 || || MBA-O || 17.6 || 1.7 km || multiple || 2004–2020 || 15 Mar 2020 || 40 || align=left | Disc.: SpacewatchAdded on 22 July 2020 || |- id="2004 BN101" bgcolor=#fefefe | 0 || || MBA-I || 19.19 || data-sort-value="0.43" | 430 m || multiple || 2004–2022 || 25 Jan 2022 || 38 || align=left | Disc.: Spacewatch || |- id="2004 BT122" bgcolor=#E9E9E9 | – || || MBA-M || 19.2 || data-sort-value="0.80" | 800 m || single || 9 days || 30 Jan 2004 || 13 || align=left | Disc.: Mauna Kea Obs. || |- id="2004 BU122" bgcolor=#d6d6d6 | – || || HIL || 18.6 || 1.1 km || single || 9 days || 30 Jan 2004 || 13 || align=left | Disc.: Mauna Kea Obs. || |- id="2004 BJ123" bgcolor=#fefefe | 0 || || MBA-I || 19.53 || data-sort-value="0.37" | 370 m || multiple || 2004–2022 || 25 Jan 2022 || 106 || align=left | Disc.: Mauna Kea Obs.Added on 17 June 2021Alt.: 2020 RL111 || |- id="2004 BN123" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.3 || data-sort-value="0.92" | 920 m || multiple || 2004–2018 || 14 Sep 2018 || 44 || align=left | Disc.: Mauna Kea Obs. || |- id="2004 BR123" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.7 || data-sort-value="0.54" | 540 m || multiple || 2004–2021 || 08 May 2021 || 27 || align=left | Disc.: Mauna Kea Obs.Added on 21 August 2021Alt.: 2017 HG79 || |- id="2004 BZ124" bgcolor=#fefefe | 2 || || MBA-I || 19.8 || data-sort-value="0.33" | 330 m || multiple || 2004–2015 || 15 Mar 2015 || 28 || align=left | Disc.: SpacewatchAlt.: 2015 BK507 || |- id="2004 BD126" bgcolor=#fefefe | 0 || || MBA-I || 19.13 || data-sort-value="0.44" | 440 m || multiple || 2004–2021 || 30 Oct 2021 || 64 || align=left | Disc.: SpacewatchAdded on 30 September 2021 || |- id="2004 BQ127" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.08 || 1.3 km || multiple || 2004–2021 || 28 Nov 2021 || 74 || align=left | Disc.: SpacewatchAdded on 5 November 2021 || |- id="2004 BA131" bgcolor=#d6d6d6 | 1 || || MBA-O || 18.3 || 1.2 km || multiple || 2004–2020 || 02 Feb 2020 || 24 || align=left | Disc.: SpacewatchAdded on 17 January 2021 || |- id="2004 BZ133" bgcolor=#d6d6d6 | 1 || || MBA-O || 17.8 || 1.5 km || multiple || 2004–2021 || 17 Feb 2021 || 23 || align=left | Disc.: SpacewatchAdded on 17 June 2021 || |- id="2004 BQ135" bgcolor=#d6d6d6 | 0 || || MBA-O || 17.1 || 2.1 km || multiple || 2004–2020 || 22 Mar 2020 || 43 || align=left | Disc.: SpacewatchAdded on 22 July 2020 || |- id="2004 BB136" bgcolor=#d6d6d6 | 3 || || MBA-O || 17.6 || 1.7 km || multiple || 2004–2020 || 14 Feb 2020 || 43 || align=left | Disc.: SpacewatchAdded on 22 July 2020Alt.: 2015 EJ52 || |- id="2004 BX141" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.2 || data-sort-value="0.96" | 960 m || multiple || 2004–2021 || 15 Jan 2021 || 42 || align=left | Disc.: Spacewatch ||