List of unnumbered minor planets: 2004 W–X

This is a partial list of unnumbered minor planets for principal provisional designations assigned between 16 November and 15 December 2004. , a total of 109 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.

W

|- id="2004 WC1" bgcolor=#FFC2E0 | 7 || || ATE || 26.1 || data-sort-value="0.021" | 21 m || single || 4 days || 22 Nov 2004 || 14 || align=left | Disc.: LONEOS || |- id="2004 WH1" bgcolor=#FFC2E0 | 0 || || APO || 24.04 || data-sort-value="0.056" | 56 m || multiple || 2004-2026 || 16 Apr 2026 || 50 || align=left | Disc.: LONEOS || |- id="2004 WK1" bgcolor=#FFC2E0 | 0 || || APO || 21.10 || data-sort-value="0.21" | 210 m || multiple || 2004–2021 || 27 Nov 2021 || 44 || align=left | Disc.: LINEARPotentially hazardous object || |- id="2004 WA2" bgcolor=#d6d6d6 | 0 || || MBA-O || 17.43 || 1.8 km || multiple || 2004–2021 || 01 Dec 2021 || 55 || align=left | Disc.: CINEOSAlt.: 2015 UK58 || |- id="2004 WL5" bgcolor=#E9E9E9 | 1 || || MBA-M || 18.9 || data-sort-value="0.92" | 920 m || multiple || 2004–2013 || 07 Dec 2013 || 20 || align=left | Disc.: Spacewatch || |- id="2004 WX11" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.0 || 1.4 km || multiple || 2004–2019 || 07 Jan 2019 || 57 || align=left | Disc.: CINEOSAlt.: 2018 XY14 || |- id="2004 WM13" bgcolor=#E9E9E9 | 2 || || MBA-M || 18.9 || data-sort-value="0.49" | 490 m || multiple || 2004–2020 || 16 Aug 2020 || 50 || align=left | Disc.: CINEOS || |- id="2004 WR13" bgcolor=#E9E9E9 | 0 || || MBA-M || 17.8 || 1.2 km || multiple || 2004–2019 || 27 May 2019 || 51 || align=left | Disc.: Spacewatch || |- id="2004 WU13" bgcolor=#d6d6d6 | 1 || || MBA-O || 17.1 || 2.1 km || multiple || 2004–2019 || 19 Dec 2019 || 54 || align=left | Disc.: Spacewatch || |- id="2004 WB14" bgcolor=#FA8072 | 1 || || HUN || 20.3 || data-sort-value="0.26" | 260 m || multiple || 2004–2020 || 01 Jan 2020 || 41 || align=left | Disc.: Spacewatch || |- id="2004 WN14" bgcolor=#fefefe | 1 || || MBA-I || 18.73 || data-sort-value="0.53" | 530 m || multiple || 2004–2022 || 06 Jan 2022 || 28 || align=left | Disc.: SpacewatchAdded on 24 December 2021 ||

X

|- id="2004 XG" bgcolor=#FFC2E0 | 0 || 2004 XG || ATE || 24.1 || data-sort-value="0.054" | 54 m || multiple || 2004–2015 || 11 Jan 2015 || 86 || align=left | Disc.: CSS || |- id="2004 XJ" bgcolor=#FFC2E0 | 7 || 2004 XJ || ATE || 24.0 || data-sort-value="0.056" | 56 m || single || 14 days || 15 Dec 2004 || 75 || align=left | Disc.: LINEAR || |- id="2004 XK" bgcolor=#FFC2E0 | 7 || 2004 XK || APO || 26.0 || data-sort-value="0.022" | 22 m || single || 3 days || 04 Dec 2004 || 47 || align=left | Disc.: CSS || |- id="2004 XN" bgcolor=#FA8072 | 0 || 2004 XN || MCA || 18.5 || 1.1 km || multiple || 2004–2014 || 04 Jan 2014 || 45 || align=left | Disc.: LONEOSAlt.: 2013 WK44 || |- id="2004 XO" bgcolor=#FFC2E0 | 0 || 2004 XO || APO || 21.62 || data-sort-value="0.17" | 170 m || multiple || 2004-2023 || 15 Nov 2023 || 101|| align=left | Disc.: CSSPotentially hazardous object || |- id="2004 XH3" bgcolor=#FFC2E0 | 5 || || APO || 24.1 || data-sort-value="0.054" | 54 m || single || 6 days || 07 Dec 2004 || 24 || align=left | Disc.: LINEAR || |- id="2004 XK3" bgcolor=#FFC2E0 | 0 || || APO || 24.4 || data-sort-value="0.047" | 47 m || multiple || 2004–2008 || 06 Dec 2008 || 229 || align=left | Disc.: LONEOS || |- id="2004 XL4" bgcolor=#FFC2E0 | 7 || || AMO || 20.9 || data-sort-value="0.23" | 230 m || single || 40 days || 15 Jan 2005 || 44 || align=left | Disc.: LINEAR || |- id="2004 XD6" bgcolor=#FFC2E0 | 0 || || APO || 22.16 || data-sort-value="0.12" | 120 m || multiple || 2004-2023 || 17 Decn 2023 || 75 || align=left | Disc.: Spacewatch || |- id="2004 XE6" bgcolor=#FFC2E0 | 0 || || AMO || 19.5 || data-sort-value="0.45" | 450 m || multiple || 2004–2018 || 27 May 2018 || 138 || align=left | Disc.: LINEAR || |- id="2004 XV12" bgcolor=#E9E9E9 | 0 || || MBA-M || 17.41 || 1.4 km || multiple || 2004–2021 || 02 Oct 2021 || 62 || align=left | Disc.: LINEAR || |- id="2004 XJ14" bgcolor=#FA8072 | 1 || || MCA || 20.61 || data-sort-value="0.25" | 250 m || multiple || 2004-2022 || 04 Feb 2022 || 74 || align=left | Disc.: LINEAR || |- id="2004 XK14" bgcolor=#FFC2E0 | 0 || || ATE || 22.4 || data-sort-value="0.240" | 240 m || multiple || 2004–2017 || 23 Nov 2017 || 137 || align=left | Disc.: LINEAR || |- id="2004 XG29" bgcolor=#FFC2E0 | 5 || || APO || 25.3 || data-sort-value="0.031" | 31 m || single || 36 days || 15 Jan 2005 || 110 || align=left | Disc.: LINEAR || |- id="2004 XJ29" bgcolor=#FFC2E0 | 0 || || APO || 21.38 || data-sort-value="0.19" | 190 m || multiple || 2004–2022 || 26 Jan 2022 || 226 || align=left | Disc.: CSS || |- id="2004 XK29" bgcolor=#FFC2E0 | 0 || || APO || 19.7 || data-sort-value="0.41" | 410 m || multiple || 2004–2020 || 31 Jan 2020 || 135 || align=left | Disc.: CSS || |- id="2004 XM29" bgcolor=#FFC2E0 | 1 || || APO || 22.9 || data-sort-value="0.093" | 93 m || multiple || 2004–2008 || 01 Jun 2008 || 134 || align=left | Disc.: Spacewatch || |- id="2004 XN29" bgcolor=#FFC2E0 | 9 || || APO || 22.0 || data-sort-value="0.14" | 140 m || single || 27 days || 07 Jan 2005 || 64 || align=left | Disc.: CSSPotentially hazardous object || |- id="2004 XO29" bgcolor=#FFC2E0 | 1 || || APO || 21.1 || data-sort-value="0.21" | 210 m || multiple || 2004–2019 || 19 Dec 2019 || 59 || align=left | Disc.: Spacewatch || |- id="2004 XP29" bgcolor=#FA8072 | 1 || || MCA || 17.8 || data-sort-value="0.82" | 820 m || multiple || 2001–2020 || 28 Jun 2020 || 64 || align=left | Disc.: CSS || |- id="2004 XF35" bgcolor=#FA8072 | 0 || || MCA || 19.22 || data-sort-value="0.73" | 730 m || multiple || 2004-2022 || 21 Feb 2022 || 85 || align=left | Disc.: LINEAR || |- id="2004 XH35" bgcolor=#FA8072 | E || || MCA || 19.3 || data-sort-value="0.41" | 410 m || single || 1 day || 13 Dec 2004 || 13 || align=left | Disc.: LINEAR || |- id="2004 XJ35" bgcolor=#FFC2E0 | 2 || || AMO || 20.3 || data-sort-value="0.31" | 310 m || multiple || 2004–2007 || 16 Dec 2007 || 86 || align=left | Disc.: Spacewatch || |- id="2004 XO35" bgcolor=#FFC2E0 | 7 || || AMO || 21.8 || data-sort-value="0.16" | 160 m || single || 19 days || 31 Dec 2004 || 25 || align=left | Disc.: LINEAR || |- id="2004 XP35" bgcolor=#FFC2E0 | 6 || || APO || 23.4 || data-sort-value="0.074" | 74 m || single || 22 days || 02 |- id="2004 XG37" bgcolor=#fefefe | 0 || || MBA-I || 18.3 || data-sort-value="0.65" | 650 m || multiple || 2004–2019 || 28 Dec 2019 || 77 || align=left | Disc.: CINEOS || |- id="2004 XL44" bgcolor=#FA8072 | 2 || || MCA || 19.68 || data-sort-value="0.43" | 430 m || multiple || 2004-2021 || 11 Aug 2021 || 22 || align=left | Disc.: Mauna Kea Obs. || |- id="2004 XM44" bgcolor=#FA8072 | E || || MCA || 19.8 || data-sort-value="0.33" | 330 m || single || 2 days || 14 Dec 2004 || 9 || align=left | Disc.: Mauna Kea Obs. || |- id="2004 XX44" bgcolor=#FA8072 | 1 || || MCA || 19.46 || data-sort-value="0.52" | 400 m || multiple || 2004-2023 || 06 Dec 2023 || 34 || align=left | Disc.: Mauna Kea Obs. || |- id="2004 XZ44" bgcolor=#FA8072 | 4 || || MCA || 18.8 || data-sort-value="0.52" | 520 m || multiple || 2004–2020 || 21 Apr 2020 || 33 || align=left | Disc.: Mauna Kea Obs.Alt.: 2020 FQ5 || |- id="2004 XA45" bgcolor=#FFC2E0 | 0 || || APO || 21.0 || data-sort-value="0.22" | 220 m || multiple || 2004–2008 || 22 Oct 2008 || 44 || align=left | Disc.: Mauna Kea Obs. || |- id="2004 XB45" bgcolor=#FFC2E0 | 5 || || APO || 26.2 || data-sort-value="0.020" | 20 m || single || 4 days || 16 Dec 2004 || 45 || align=left | Disc.: Spacewatch || |- id="2004 XR45" bgcolor=#E9E9E9 | 1 || || MBA-M || 17.5 || data-sort-value="0.94" | 940 m || multiple || 2004–2021 || 11 Jan 2021 || 50 || align=left | Disc.: SpacewatchAdded on 9 March 2021 || |- id="2004 XH50" bgcolor=#d6d6d6 | 0 || || MBA-O || 16.5 || 2.8 km || multiple || 2004–2017 || 03 Jan 2017 || 85 || align=left | Disc.: CINEOSMCA at MPC || |- id="2004 XJ50" bgcolor=#FFC2E0 | 0 || || AMO || 19.27 || data-sort-value="0.50" | 500 m || multiple || 2004–2022 || 27 Jan 2022 || 86 || align=left | Disc.: LONEOS || |- id="2004 XC51" bgcolor=#FFC2E0 | 8 || || APO || 19.9 || data-sort-value="0.37" | 370 m || single || 9 days || 23 Dec 2004 || 45 || align=left | Disc.: LINEAR || |- id="2004 XD51" bgcolor=#FFC2E0 | 7 || || APO || 25.0 || data-sort-value="0.036" | 36 m || single || 5 days || 19 Dec 2004 || 33 || align=left | Disc.: LINEAR || |- id="2004 XS53" bgcolor=#d6d6d6 | 2 || || MBA-O || 17.0 || 2.2 km || multiple || 2004–2021 || 04 Jan 2021 || 40 || align=left | Disc.: SpacewatchAdded on 17 June 2021Alt.: 2010 BG127, 2020 WU9 || |- id="2004 XL58" bgcolor=#E9E9E9 | 1 || || MBA-M || 17.39 || 1.4 km || multiple || 2004–2022 || 27 Jan 2022 || 41 || align=left | Disc.: Spacewatch || |- id="2004 XD60" bgcolor=#d6d6d6 | 0 || || MBA-O || 17.21 || 2.0 km || multiple || 2004–2022 || 24 Jan 2022 || 45 || align=left | Disc.: SpacewatchAdded on 29 January 2022 || |- id="2004 XP61" bgcolor=#FA8072 | 0 || || MCA || 17.42 || 1.4 km || multiple || 2004–2021 || 16 Nov 2021 || 31 || align=left | Disc.: SpacewatchAdded on 9 March 2021Alt.: 2020 MG1 || |- id="2004 XO63" bgcolor=#FFC2E0 | 5 || || APO || 26.2 || data-sort-value="0.020" | 20 m || single || 6 days || 21 Dec 2004 || 37 || align=left | Disc.: LINEAR || |- id="2004 XF73" bgcolor=#fefefe | 0 || || MBA-I || 17.57 || data-sort-value="0.91" | 910 m || multiple || 2004–2021 || 30 Jun 2021 || 46 || align=left | Disc.: NEAT || |- id="2004 XN76" bgcolor=#d6d6d6 | 0 || || MBA-O || 16.8 || 2.4 km || multiple || 2004–2020 || 22 Jun 2020 || 71 || align=left | Disc.: SpacewatchAlt.: 2016 AV188 || |- id="2004 XB82" bgcolor=#E9E9E9 | 2 || || MBA-M || 19.0 || data-sort-value="0.52" | 520 m || multiple || 2001-2012 || 10 Oct 2012 || 27 || align=left | Disc.: CINEOS || |- id="2004 XR82" bgcolor=#fefefe | 0 || || MBA-I || 17.0 || 1.2 km || multiple || 2004–2019 || 30 Dec 2019 || 55 || align=left | Disc.: SpacewatchAlt.: 2015 XK308 || |- id="2004 XC87" bgcolor=#d6d6d6 | 1 || || MBA-O || 17.8 || 1.5 km || multiple || 2004–2021 || 11 Jan 2021 || 75 || align=left | Disc.: CSSAlt.: 2020 SA11 || |- id="2004 XP118" bgcolor=#E9E9E9 | 1 || || MBA-M || 18.3 || data-sort-value="0.65" | 650 m || multiple || 2004–2020 || 11 Nov 2020 || 31 || align=left | Disc.: SpacewatchAdded on 29 January 2022 || |- id="2004 XF131" bgcolor=#fefefe | 3 || || MBA-I || 18.8 || data-sort-value="0.52" | 520 m || multiple || 2004–2018 || 31 Dec 2018 || 17 || align=left | Disc.: Spacewatch || |- id="2004 XW137" bgcolor=#E9E9E9 | 1 || || MBA-M || 17.8 || 1.5 km || multiple || 2004–2019 || 04 Mar 2019 || 32 || align=left | Disc.: Spacewatch || |- id="2004 XY141" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.63 || data-sort-value="0.79" | 790 m || multiple || 2004–2021 || 31 Aug 2021 || 31 || align=left | Disc.: Spacewatch || |- id="2004 XY144" bgcolor=#E9E9E9 | 1 || || MBA-M || 17.6 || data-sort-value="0.90" | 900 m || multiple || 2004–2020 || 05 Dec 2020 || 54 || align=left | Disc.: SpacewatchAdded on 17 January 2021 || |- id="2004 XQ150" bgcolor=#fefefe | 0 || || MBA-I || 18.80 || data-sort-value="0.52" | 520 m || multiple || 2004–2021 || 10 Aug 2021 || 45 || align=left | Disc.: Spacewatch || |- id="2004 XO151" bgcolor=#E9E9E9 | 0 || || MBA-M || 19.2 || data-sort-value="0.43" | 430 m || multiple || 2004–2020 || 11 Dec 2020 || 57 || align=left | Disc.: Spacewatch || |- id="2004 XR152" bgcolor=#fefefe | 1 || || MBA-I || 18.6 || data-sort-value="0.57" | 570 m || multiple || 2004–2017 || 27 Mar 2017 || 38 || align=left | Disc.: SpacewatchAdded on 22 July 2020 || |- id="2004 XQ154" bgcolor=#E9E9E9 | 1 || || MBA-M || 18.3 || data-sort-value="0.65" | 650 m || multiple || 2004–2020 || 14 Dec 2020 || 33 || align=left | Disc.: SpacewatchAdded on 17 January 2021 ||