# List of unnumbered minor planets: 2003 U (0–289)

This is a partial list of unnumbered minor planets for principal provisional designations assigned during 16–31 October 2003. Since this period yielded a high number of provisional discoveries, it is further split into several standalone pages. As of January 2022, a total of 482 bodies remain unnumbered for this period. Objects for this year are listed on the following pages: A–E · F–G · H–L · M–R · S$_i$ · S$_{ii}$ · S$_{iii}$ · S$_{iv}$ · T · U$_i$ · U$_{ii}$ · U$_{iii}$ · U$_{iv}$ · V · W$_i$ · W$_{ii}$ and X–Y. Also see previous and next year.
| Near-Earth obj. | MBA (inner) | MBA (outer) | Centaur |
| Mars-crosser | MBA (middle) | Jupiter trojan | Trans-Neptunian obj. |
| Unclassified | | | |

## U

| U | Designation | Class | Physical | Physical | Observations | Observations | Observations | Observations | Description and notes | Ref |
| U | Designation | Class | H | D | Opp. | Arc | Last | Used | Description and notes | Ref |
| 1 | 2003 UA | HUN | 18.2 | 680 m | multiple | 2003–2020 | 25 Jan 2020 | 150 | Alt.: 2011 UJ33 | MPC · JPL |
| – | 2003 UC | MCA | 20.3 | 260 m | single | 1 day | 17 Oct 2003 | 17 | — | MPC · JPL |
| 0 | 2003 UE | AMO | 20.32 | 310 m | multiple | 2003–2021 | 29 Nov 2021 | 149 | — | MPC · JPL |
| 0 | 2003 UF | MBA-M | 17.8 | 1.2 km | multiple | 2003–2020 | 12 Dec 2020 | 173 | — | MPC · JPL |
| 0 | 2003 UK | MBA-M | 17.5 | 940 m | multiple | 2003–2021 | 17 Jan 2021 | 84 | Alt.: 2007 RN35 | MPC · JPL |
| 1 | 2003 UM | MCA | 18.4 | 620 m | multiple | 2003–2020 | 22 Jun 2020 | 145 | — | MPC · JPL |
| 0 | 2003 UD1 | MBA-I | 18.67 | 550 m | multiple | 2003–2021 | 28 Nov 2021 | 118 | Alt.: 2014 XQ16 | MPC · JPL |
| 0 | 2003 UF1 | MBA-I | 18.26 | 660 m | multiple | 2003–2021 | 27 Nov 2021 | 123 | Alt.: 2014 WK119 | MPC · JPL |
| 3 | 2003 UV1 | MBA-M | 19.0 | 670 m | multiple | 2003–2020 | 08 Nov 2020 | 21 | Disc.: LPL/Spacewatch II Added on 17 June 2021 | MPC · JPL |
| 1 | 2003 UE2 | MBA-O | 18.4 | 1.2 km | multiple | 2003–2019 | 03 Dec 2019 | 41 | — | MPC · JPL |
| 0 | 2003 UK2 | MBA-M | 17.7 | 1.2 km | multiple | 2003–2020 | 03 Nov 2020 | 62 | Disc.: LPL/Spacewatch II Added on 17 January 2021 | MPC · JPL |
| 0 | 2003 UL2 | MBA-I | 19.03 | 460 m | multiple | 2003–2022 | 06 Jan 2022 | 55 | Alt.: 2017 QP53 | MPC · JPL |
| 0 | 2003 UP2 | MBA-M | 17.68 | 1.6 km | multiple | 2003–2021 | 08 Nov 2021 | 85 | Disc.: Spacewatch Added on 21 August 2021 | MPC · JPL |
| 0 | 2003 UY2 | MBA-O | 16.5 | 2.8 km | multiple | 2003–2021 | 01 Feb 2021 | 104 | Alt.: 2010 FZ104 | MPC · JPL |
| 1 | 2003 UG3 | MBA-O | 18.0 | 1.4 km | multiple | 2003–2021 | 03 Jan 2021 | 45 | Alt.: 2014 SP167 | MPC · JPL |
| 9 | 2003 UM3 | APO | 28.1 | 9 m | single | 1 day | 18 Oct 2003 | 12 | — | MPC · JPL |
| 0 | 2003 UQ3 | AMO | 19.6 | 430 m | multiple | 2003–2020 | 07 Dec 2020 | 140 | — | MPC · JPL |
| 1 | 2003 UT3 | MCA | 18.8 | 520 m | multiple | 2003–2020 | 10 Sep 2020 | 109 | Alt.: 2010 OO95 | MPC · JPL |
| 1 | 2003 UA4 | MBA-I | 19.0 | 470 m | multiple | 2003–2018 | 11 Nov 2018 | 34 | — | MPC · JPL |
| 0 | 2003 UB5 | AMO | 19.59 | 430 m | multiple | 2003–2021 | 17 Apr 2021 | 345 | — | MPC · JPL |
| 0 | 2003 UC5 | APO | 20.35 | 300 m | multiple | 2003–2021 | 07 Nov 2021 | 99 | — | MPC · JPL |
| 1 | 2003 UD5 | AMO | 23.3 | 78 m | single | 33 days | 20 Nov 2003 | 110 | — | MPC · JPL |
| 1 | 2003 UJ5 | MBA-M | 18.25 | 1.2 km | multiple | 2003–2021 | 16 Jul 2021 | 57 | — | MPC · JPL |
| 2 | 2003 UL5 | HUN | 19.9 | 310 m | multiple | 2003–2018 | 17 May 2018 | 21 | — | MPC · JPL |
| 3 | 2003 UQ5 | MBA-M | 17.5 | 1.8 km | multiple | 2003–2014 | 05 Mar 2014 | 32 | Alt.: 2014 EL75 | MPC · JPL |
| 2 | 2003 UR5 | MCA | 19.3 | 580 m | multiple | 2003–2020 | 15 Dec 2020 | 77 | — | MPC · JPL |
| 6 | 2003 UW5 | AMO | 24.3 | 49 m | single | 44 days | 01 Dec 2003 | 53 | — | MPC · JPL |
| 0 | 2003 UX5 | APO | 20.29 | 310 m | multiple | 2003–2023 | 19 Mar 2023 | 276 | Potentially hazardous object | MPC · JPL |
| 2 | 2003 UD6 | MBA-M | 17.9 | 1.1 km | multiple | 2003–2019 | 28 May 2019 | 25 | — | MPC · JPL |
| 0 | 2003 UE6 | HUN | 20.12 | 280 m | multiple | 2003–2021 | 27 Jun 2021 | 22 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 2 | 2003 UM6 | MBA-M | 17.7 | 860 m | multiple | 2003–2019 | 08 Jun 2019 | 51 | — | MPC · JPL |
| 0 | 2003 UO6 | MBA-O | 15.9 | 3.7 km | multiple | 2003–2021 | 15 Jan 2021 | 117 | Alt.: 2014 UT221 | MPC · JPL |
| 0 | 2003 UU6 | MBA-M | 17.31 | 1.5 km | multiple | 2003–2022 | 10 Jan 2022 | 215 | — | MPC · JPL |
| 1 | 2003 UG7 | MCA | 16.9 | 1.2 km | multiple | 2003–2021 | 03 Jan 2021 | 79 | — | MPC · JPL |
| 0 | 2003 UY7 | HUN | 19.0 | 470 m | multiple | 2003–2020 | 08 Nov 2020 | 94 | — | MPC · JPL |
| 2 | 2003 UZ7 | MCA | 20.9 | 280 m | multiple | 2003–2016 | 02 Nov 2016 | 33 | Alt.: 2016 TG18 | MPC · JPL |
| 1 | 2003 UB8 | HUN | 19.0 | 470 m | multiple | 2003–2019 | 01 Nov 2019 | 80 | — | MPC · JPL |
| 0 | 2003 UC8 | MBA-I | 18.5 | 590 m | multiple | 2002–2020 | 05 Nov 2020 | 104 | Alt.: 2002 GH140 | MPC · JPL |
| 6 | 2003 UE8 | AMO | 24.9 | 37 m | single | 43 days | 30 Nov 2003 | 36 | — | MPC · JPL |
| 1 | 2003 UF8 | MBA-M | 18.4 | 880 m | multiple | 2003–2021 | 07 Jan 2021 | 73 | — | MPC · JPL |
| 1 | 2003 UE9 | MBA-I | 18.1 | 710 m | multiple | 2003–2020 | 04 Dec 2020 | 157 | Alt.: 2015 FA391 | MPC · JPL |
| 7 | 2003 UL9 | APO | 22.4 | 120 m | single | 6 days | 25 Oct 2003 | 24 | — | MPC · JPL |
| 0 | 2003 UR9 | MBA-O | 16.7 | 2.5 km | multiple | 2002–2021 | 06 Jan 2021 | 127 | — | MPC · JPL |
| 1 | 2003 US9 | MCA | 18.5 | 590 m | multiple | 2003–2016 | 13 Mar 2016 | 82 | — | MPC · JPL |
| 8 | 2003 UC10 | APO | 23.9 | 59 m | single | 13 days | 02 Nov 2003 | 29 | — | MPC · JPL |
| 1 | 2003 UJ10 | MBA-M | 17.3 | 1.0 km | multiple | 2003–2021 | 16 Jan 2021 | 51 | — | MPC · JPL |
| 0 | 2003 UK10 | MBA-M | 17.11 | 2.1 km | multiple | 2003–2021 | 08 Dec 2021 | 177 | Alt.: 2012 VR36 | MPC · JPL |
| 0 | 2003 UM10 | MBA-O | 17.0 | 2.2 km | multiple | 2003–2019 | 07 Jul 2019 | 114 | Alt.: 2014 SA286 | MPC · JPL |
| 0 | 2003 UQ10 | MBA-M | 17.1 | 1.6 km | multiple | 2003–2021 | 15 Jan 2021 | 156 | — | MPC · JPL |
| 0 | 2003 UU10 | MBA-I | 18.1 | 710 m | multiple | 2003–2021 | 09 Jan 2021 | 210 | — | MPC · JPL |
| 0 | 2003 UP11 | MCA | 18.0 | 750 m | multiple | 2003–2020 | 05 Dec 2020 | 164 | — | MPC · JPL |
| 0 | 2003 UC12 | MBA-I | 17.5 | 940 m | multiple | 2003–2020 | 19 Apr 2020 | 231 | Alt.: 2012 BX100 | MPC · JPL |
| 0 | 2003 UO12 | APO | 23.9 | 59 m | multiple | 2003–2018 | 20 Feb 2018 | 195 | Alt.: 2018 AX11 | MPC · JPL |
| 7 | 2003 UP12 | APO | 25.5 | 28 m | single | 5 days | 26 Oct 2003 | 37 | — | MPC · JPL |
| 7 | 2003 UQ12 | APO | 24.9 | 37 m | single | 9 days | 30 Oct 2003 | 40 | — | MPC · JPL |
| 0 | 2003 UW12 | MBA-O | 16.37 | 3.0 km | multiple | 2003–2021 | 07 Apr 2021 | 239 | — | MPC · JPL |
| 1 | 2003 UY12 | ATE | 22.9 | 93 m | multiple | 2003–2016 | 13 Nov 2016 | 84 | Alt.: 2003 US12, 2013 UT8 | MPC · JPL |
| 1 | 2003 UB13 | MCA | 17.5 | 1.3 km | multiple | 2003–2020 | 02 May 2020 | 76 | — | MPC · JPL |
| 0 | 2003 UC13 | MBA-M | 17.90 | 1.1 km | multiple | 2003–2022 | 27 Jan 2022 | 62 | — | MPC · JPL |
| 0 | 2003 UA14 | HUN | 19.04 | 460 m | multiple | 2003–2021 | 29 Aug 2021 | 63 | — | MPC · JPL |
| – | 2003 UZ14 | MBA-O | 18.5 | 1.1 km | single | 8 days | 24 Oct 2003 | 13 | — | MPC · JPL |
| – | 2003 UL15 | MBA-O | 17.9 | 1.5 km | single | 51 days | 19 Nov 2003 | 34 | — | MPC · JPL |
| 2 | 2003 UV15 | MCA | 18.3 | 650 m | multiple | 2003–2011 | 01 Aug 2011 | 49 | — | MPC · JPL |
| 1 | 2003 UX15 | MBA-M | 17.9 | 780 m | multiple | 1995–2019 | 29 Nov 2019 | 129 | — | MPC · JPL |
| 1 | 2003 UC16 | MCA | 17.8 | 820 m | multiple | 2003–2018 | 31 Dec 2018 | 172 | — | MPC · JPL |
| 2 | 2003 UA17 | MBA-O | 17.7 | 1.6 km | multiple | 2003–2020 | 15 Oct 2020 | 32 | Disc.: Spacewatch Added on 17 January 2021 | MPC · JPL |
| 3 | 2003 UC17 | MBA-M | 18.3 | 650 m | multiple | 2003–2019 | 17 Nov 2019 | 27 | — | MPC · JPL |
| 2 | 2003 UQ17 | MBA-O | 18.2 | 1.3 km | multiple | 2003–2019 | 24 Oct 2019 | 31 | Disc.: Spacewatch Added on 22 July 2020 Alt.: 2014 VH29 | MPC · JPL |
| 0 | 2003 US17 | MBA-O | 17.0 | 2.2 km | multiple | 2003–2021 | 09 Jan 2021 | 37 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 0 | 2003 UT17 | MBA-O | 17.5 | 1.8 km | multiple | 2003–2019 | 25 Aug 2019 | 48 | — | MPC · JPL |
| 0 | 2003 UC18 | MBA-I | 18.63 | 560 m | multiple | 2003–2021 | 31 Oct 2021 | 139 | Alt.: 2014 WW212 | MPC · JPL |
| 0 | 2003 UH18 | MBA-I | 17.9 | 780 m | multiple | 2003–2020 | 02 Apr 2020 | 118 | Alt.: 2016 CS156 | MPC · JPL |
| 0 | 2003 UK18 | MBA-I | 19.4 | 390 m | multiple | 2003–2020 | 23 Nov 2020 | 40 | Disc.: Spacewatch Added on 17 January 2021 | MPC · JPL |
| 1 | 2003 UU18 | MBA-M | 18.87 | 710 m | multiple | 2003–2021 | 12 Dec 2021 | 38 | — | MPC · JPL |
| 1 | 2003 UW18 | MBA-M | 17.9 | 1.5 km | multiple | 2001–2017 | 25 Oct 2017 | 37 | — | MPC · JPL |
| – | 2003 UX18 | MBA-I | 19.4 | 390 m | single | 3 days | 23 Oct 2003 | 11 | — | MPC · JPL |
| 2 | 2003 UX19 | MBA-M | 17.7 | 1.2 km | multiple | 2003–2019 | 05 Jul 2019 | 65 | Alt.: 2019 NS2 | MPC · JPL |
| 1 | 2003 UY19 | AMO | 18.6 | 680 m | multiple | 2003–2008 | 16 Jan 2008 | 122 | — | MPC · JPL |
| 0 | 2003 UR20 | MBA-M | 16.5 | 2.8 km | multiple | 2003–2019 | 08 Feb 2019 | 109 | — | MPC · JPL |
| 1 | 2003 UT20 | HUN | 18.5 | 590 m | multiple | 1995–2019 | 31 Dec 2019 | 117 | — | MPC · JPL |
| 3 | 2003 UA21 | MCA | 19.0 | 880 m | multiple | 2003–2017 | 17 Nov 2017 | 32 | — | MPC · JPL |
| 1 | 2003 UD21 | MBA-M | 17.4 | 980 m | multiple | 1999–2019 | 27 Jun 2019 | 44 | — | MPC · JPL |
| 0 | 2003 UF21 | MBA-M | 17.6 | 1.3 km | multiple | 2003–2020 | 07 Dec 2020 | 120 | — | MPC · JPL |
| 0 | 2003 UJ21 | MBA-O | 17.1 | 2.1 km | multiple | 2003–2021 | 10 Jan 2021 | 92 | Alt.: 2014 WV85, 2016 CF119 | MPC · JPL |
| 8 | 2003 UB22 | APO | 24.3 | 49 m | single | 7 days | 28 Oct 2003 | 35 | — | MPC · JPL |
| 5 | 2003 UC22 | AMO | 22.1 | 140 m | single | 39 days | 30 Nov 2003 | 41 | — | MPC · JPL |
| 7 | 2003 UE22 | AMO | 24.7 | 41 m | single | 13 days | 05 Nov 2003 | 47 | — | MPC · JPL |
| 1 | 2003 UG22 | APO | 21.2 | 200 m | multiple | 2003–2020 | 22 Nov 2020 | 162 | — | MPC · JPL |
| 1 | 2003 UL22 | MBA-M | 18.4 | 1.2 km | multiple | 2003–2021 | 09 Sep 2021 | 54 | Alt.: 2021 PB64 | MPC · JPL |
| 1 | 2003 UM22 | MBA-O | 17.18 | 2.0 km | multiple | 2003–2021 | 27 Nov 2021 | 30 | — | MPC · JPL |
| 0 | 2003 UY23 | MBA-I | 18.13 | 700 m | multiple | 2003–2021 | 14 Apr 2021 | 132 | — | MPC · JPL |
| 1 | 2003 UP24 | AMO | 20.1 | 340 m | multiple | 2003–2013 | 08 Nov 2013 | 95 | — | MPC · JPL |
| E | 2003 US24 | MBA-I | 20.1 | 280 m | single | 1 day | 25 Oct 2003 | 9 | — | MPC · JPL |
| – | 2003 UT24 | MCA | 20.2 | 270 m | single | 20 days | 25 Oct 2003 | 23 | — | MPC · JPL |
| 0 | 2003 UU24 | MBA-I | 18.4 | 620 m | multiple | 2003–2020 | 05 Nov 2020 | 69 | — | MPC · JPL |
| 4 | 2003 UO25 | APO | 22.6 | 110 m | multiple | 2003–2005 | 28 Oct 2005 | 54 | — | MPC · JPL |
| 2 | 2003 UP25 | AMO | 23.3 | 78 m | single | 12 days | 05 Nov 2003 | 56 | — | MPC · JPL |
| 7 | 2003 UQ25 | APO | 24.1 | 54 m | single | 11 days | 04 Nov 2003 | 57 | — | MPC · JPL |
| 8 | 2003 UR25 | APO | 25.5 | 28 m | single | 0 day | 25 Oct 2003 | 18 | — | MPC · JPL |
| 0 | 2003 US25 | MCA | 17.53 | 930 m | multiple | 2003–2021 | 23 Apr 2021 | 161 | — | MPC · JPL |
| 0 | 2003 UZ25 | HUN | 19.25 | 420 m | multiple | 2003–2021 | 09 Nov 2021 | 57 | — | MPC · JPL |
| 0 | 2003 UW26 | AMO | 19.18 | 520 m | multiple | 2003–2021 | 01 Dec 2021 | 156 | — | MPC · JPL |
| 7 | 2003 UX26 | APO | 24.5 | 45 m | single | 8 days | 01 Nov 2003 | 68 | — | MPC · JPL |
| 0 | 2003 UZ26 | MBA-O | 16.6 | 2.7 km | multiple | 2003–2020 | 16 Nov 2020 | 60 | Disc.: LPL/Spacewatch II Added on 17 January 2021 Alt.: 2010 CK207 | MPC · JPL |
| 0 | 2003 UY27 | MCA | 17.7 | 1.2 km | multiple | 2003–2021 | 12 Jan 2021 | 381 | Alt.: 2003 XB | MPC · JPL |
| 0 | 2003 UE28 | MBA-I | 18.02 | 740 m | multiple | 2003–2022 | 27 Jan 2022 | 162 | — | MPC · JPL |
| 0 | 2003 UZ28 | MBA-I | 18.91 | 490 m | multiple | 2003–2022 | 05 Jan 2022 | 72 | — | MPC · JPL |
| 0 | 2003 UY29 | MBA-O | 16.2 | 3.2 km | multiple | 2003–2020 | 23 Nov 2020 | 173 | Alt.: 2014 UL11 | MPC · JPL |
| 2 | 2003 UE30 | MBA-M | 17.9 | 780 m | multiple | 2003–2015 | 10 Sep 2015 | 21 | Disc.: Spacewatch Added on 29 January 2022 | MPC · JPL |
| 2 | 2003 UO30 | MBA-I | 18.9 | 490 m | multiple | 2003–2018 | 16 Sep 2018 | 24 | — | MPC · JPL |
| 2 | 2003 UX30 | MBA-I | 19.2 | 430 m | multiple | 2003–2020 | 05 Nov 2020 | 42 | Disc.: Spacewatch Added on 17 January 2021 | MPC · JPL |
| 0 | 2003 UB31 | MBA-M | 18.00 | 1.4 km | multiple | 2003–2021 | 11 Sep 2021 | 35 | Disc.: Spacewatch Added on 21 August 2021 | MPC · JPL |
| 0 | 2003 UD31 | MBA-I | 19.1 | 450 m | multiple | 2003–2021 | 08 Jun 2021 | 30 | — | MPC · JPL |
| 0 | 2003 UE31 | MBA-O | 16.5 | 2.8 km | multiple | 2003–2020 | 05 Nov 2020 | 83 | Disc.: Spacewatch Added on 30 September 2021 Alt.: 2014 TM107 | MPC · JPL |
| 1 | 2003 UF31 | MBA-M | 18.62 | 1.1 km | multiple | 2003–2021 | 06 Nov 2021 | 45 | Disc.: Spacewatch Added on 5 November 2021 Alt.: 2012 VX10, 2021 RV78 | MPC · JPL |
| 0 | 2003 UK31 | MBA-I | 18.3 | 650 m | multiple | 2003–2020 | 15 Jul 2020 | 65 | — | MPC · JPL |
| 2 | 2003 UM31 | MBA-O | 18.0 | 1.4 km | multiple | 2003–2019 | 27 Sep 2019 | 21 | Disc.: Spacewatch Added on 21 August 2021 | MPC · JPL |
| 0 | 2003 UQ31 | MBA-M | 17.88 | 1.1 km | multiple | 2003–2021 | 08 Dec 2021 | 77 | Alt.: 2012 UJ58 | MPC · JPL |
| 0 | 2003 UA32 | HUN | 19.00 | 470 m | multiple | 2003–2021 | 30 Oct 2021 | 92 | Alt.: 2015 FF318, 2016 WB20 | MPC · JPL |
| 1 | 2003 UB32 | MBA-I | 18.1 | 710 m | multiple | 2003–2018 | 14 Aug 2018 | 53 | Alt.: 2007 UN76 | MPC · JPL |
| 1 | 2003 UN32 | HIL | 16.2 | 3.2 km | multiple | 2003–2020 | 28 Jan 2020 | 73 | — | MPC · JPL |
| 2 | 2003 UP32 | MBA-O | 17.6 | 1.7 km | multiple | 2003–2019 | 19 Nov 2019 | 40 | Alt.: 2019 TU31 | MPC · JPL |
| 0 | 2003 UX32 | MBA-M | 18.55 | 820 m | multiple | 2003–2022 | 07 Jan 2022 | 31 | — | MPC · JPL |
| 0 | 2003 UE33 | MBA-I | 18.4 | 620 m | multiple | 2003–2021 | 11 Jun 2021 | 71 | Alt.: 2014 OW378 | MPC · JPL |
| 0 | 2003 UK33 | MBA-M | 17.49 | 1.8 km | multiple | 2003–2021 | 09 Sep 2021 | 40 | Disc.: LPL/Spacewatch II Added on 21 August 2021 | MPC · JPL |
| 0 | 2003 US33 | MBA-M | 17.0 | 2.2 km | multiple | 2003–2020 | 16 May 2020 | 81 | Alt.: 2015 FP272 | MPC · JPL |
| 0 | 2003 UU33 | MBA-M | 18.29 | 1.2 km | multiple | 2003–2021 | 04 Oct 2021 | 43 | — | MPC · JPL |
| 0 | 2003 UV33 | MBA-I | 18.1 | 710 m | multiple | 2003–2021 | 18 Jan 2021 | 77 | Alt.: 2013 WL51, 2016 TQ13 | MPC · JPL |
| 2 | 2003 UY33 | MBA-I | 19.1 | 450 m | multiple | 2003–2020 | 23 Jan 2020 | 42 | Alt.: 2006 QO147 | MPC · JPL |
| 0 | 2003 UA34 | MBA-M | 17.3 | 1.0 km | multiple | 2003–2021 | 18 Jan 2021 | 81 | Alt.: 2013 BJ20 | MPC · JPL |
| 0 | 2003 UB34 | MBA-O | 16.8 | 2.4 km | multiple | 1992–2021 | 16 Jan 2021 | 92 | Alt.: 2014 WT304 | MPC · JPL |
| 0 | 2003 UC34 | MBA-O | 16.4 | 2.9 km | multiple | 2003–2020 | 20 Nov 2020 | 60 | Alt.: 2010 DA98, 2010 DA99 | MPC · JPL |
| 0 | 2003 UD34 | MBA-O | 17.35 | 1.9 km | multiple | 2000–2019 | 11 Jan 2019 | 51 | Alt.: 2008 UR136 | MPC · JPL |
| 0 | 2003 UG34 | MBA-M | 16.98 | 2.2 km | multiple | 1998–2021 | 12 Sep 2021 | 213 | Alt.: 2010 KQ4 | MPC · JPL |
| 0 | 2003 UP35 | MBA-M | 18.3 | 920 m | multiple | 2003–2021 | 11 Jan 2021 | 109 | — | MPC · JPL |
| 0 | 2003 UF36 | MBA-O | 16.20 | 3.2 km | multiple | 2003–2021 | 06 Apr 2021 | 112 | Alt.: 2004 YX22 | MPC · JPL |
| 0 | 2003 UW36 | MCA | 18.5 | 590 m | multiple | 2003–2019 | 31 Oct 2019 | 159 | Alt.: 2006 QV139 | MPC · JPL |
| 0 | 2003 UH38 | MBA-I | 18.12 | 710 m | multiple | 2003–2021 | 26 Nov 2021 | 34 | Disc.: LPL/Spacewatch II Added on 5 November 2021 | MPC · JPL |
| 0 | 2003 UX38 | MBA-I | 18.7 | 540 m | multiple | 2003–2020 | 11 Oct 2020 | 82 | Alt.: 2010 VX129 | MPC · JPL |
| 0 | 2003 UY38 | MBA-O | 17.3 | 1.9 km | multiple | 2001–2020 | 16 Dec 2020 | 49 | — | MPC · JPL |
| 1 | 2003 UZ38 | MBA-I | 18.4 | 620 m | multiple | 2003–2020 | 16 Mar 2020 | 85 | Alt.: 2012 AY3 | MPC · JPL |
| – | 2003 UC39 | MBA-O | 18.4 | 1.2 km | single | 17 days | 19 Oct 2003 | 9 | — | MPC · JPL |
| 0 | 2003 UF39 | MBA-I | 18.1 | 710 m | multiple | 2003–2020 | 02 Feb 2020 | 62 | Alt.: 2014 OG221 | MPC · JPL |
| 0 | 2003 UZ39 | HIL | 16.9 | 2.3 km | multiple | 2003–2019 | 24 Dec 2019 | 46 | Alt.: 2011 WC35 | MPC · JPL |
| 0 | 2003 UG40 | MBA-O | 16.1 | 3.4 km | multiple | 2002–2021 | 04 Jan 2021 | 119 | — | MPC · JPL |
| 0 | 2003 UM40 | MBA-I | 19.1 | 450 m | multiple | 1996–2017 | 23 Nov 2017 | 41 | Alt.: 2010 UB99 | MPC · JPL |
| 0 | 2003 UK41 | HIL | 16.6 | 2.7 km | multiple | 2003–2021 | 07 Jan 2021 | 87 | Alt.: 2011 UN100 | MPC · JPL |
| 3 | 2003 UQ41 | MBA-M | 18.8 | 730 m | multiple | 2003–2016 | 04 Oct 2016 | 21 | — | MPC · JPL |
| 2 | 2003 UT41 | MBA-I | 18.3 | 650 m | multiple | 2003–2017 | 18 May 2017 | 27 | Alt.: 2014 SV311 | MPC · JPL |
| 3 | 2003 UY41 | MBA-I | 18.8 | 520 m | multiple | 2003–2014 | 25 Oct 2014 | 39 | Alt.: 2014 UV99 | MPC · JPL |
| 1 | 2003 UB42 | MBA-M | 18.1 | 1.0 km | multiple | 2003–2020 | 11 Oct 2020 | 38 | — | MPC · JPL |
| 0 | 2003 UQ42 | HUN | 19.17 | 440 m | multiple | 2003–2021 | 05 Dec 2021 | 78 | — | MPC · JPL |
| 0 | 2003 UY42 | MBA-M | 17.9 | 1.1 km | multiple | 2002–2016 | 01 Nov 2016 | 54 | — | MPC · JPL |
| – | 2003 UZ42 | MBA-M | 18.9 | 700 m | single | 7 days | 24 Oct 2003 | 8 | — | MPC · JPL |
| 0 | 2003 UE43 | MBA-I | 18.72 | 540 m | multiple | 2003–2021 | 31 Aug 2021 | 50 | — | MPC · JPL |
| 1 | 2003 US43 | MBA-M | 18.7 | 540 m | multiple | 2003–2019 | 27 Oct 2019 | 77 | Alt.: 2011 UY174 | MPC · JPL |
| 1 | 2003 UW43 | MBA-M | 18.3 | 650 m | multiple | 2003–2020 | 14 Dec 2020 | 28 | — | MPC · JPL |
| 0 | 2003 UX43 | MBA-O | 16.4 | 2.9 km | multiple | 1993–2021 | 16 Jan 2021 | 94 | — | MPC · JPL |
| 0 | 2003 UA44 | MBA-M | 17.6 | 1.3 km | multiple | 2003–2017 | 24 Dec 2017 | 37 | Alt.: 2012 TY161 | MPC · JPL |
| 1 | 2003 UM44 | MBA-M | 17.9 | 780 m | multiple | 2003–2020 | 10 Dec 2020 | 48 | Alt.: 2015 MR112 | MPC · JPL |
| 0 | 2003 UB45 | MBA-O | 16.2 | 3.2 km | multiple | 2001–2019 | 24 Dec 2019 | 140 | Alt.: 2014 UR216 | MPC · JPL |
| 1 | 2003 UD45 | MBA-M | 17.7 | 1.6 km | multiple | 2003–2019 | 16 Jan 2019 | 31 | Disc.: Spacewatch Added on 21 August 2021 | MPC · JPL |
| 1 | 2003 UG45 | MBA-M | 17.8 | 820 m | multiple | 1999–2019 | 30 Jun 2019 | 36 | — | MPC · JPL |
| 0 | 2003 UH45 | MBA-M | 17.88 | 1.5 km | multiple | 2003–2021 | 01 Oct 2021 | 37 | Disc.: Spacewatch Added on 30 September 2021 | MPC · JPL |
| 3 | 2003 UK45 | MBA-M | 18.9 | 700 m | multiple | 2003–2020 | 23 Oct 2020 | 36 | Disc.: Spacewatch Added on 17 January 2021 | MPC · JPL |
| 1 | 2003 UL45 | MBA-M | 18.7 | 760 m | multiple | 2003–2020 | 05 Nov 2020 | 48 | — | MPC · JPL |
| 0 | 2003 UX45 | MBA-O | 16.8 | 2.4 km | multiple | 2003–2020 | 07 Dec 2020 | 107 | Alt.: 2014 QX170 | MPC · JPL |
| – | 2003 UY45 | MBA-M | 19.2 | 430 m | single | 8 days | 26 Oct 2003 | 9 | — | MPC · JPL |
| 3 | 2003 UH46 | MBA-I | 18.8 | 520 m | multiple | 2003–2012 | 21 Mar 2012 | 23 | Disc.: Spacewatch Added on 22 July 2020 Alt.: 2005 JC13 | MPC · JPL |
| 0 | 2003 UL46 | MBA-M | 17.9 | 1.5 km | multiple | 2003–2021 | 28 Oct 2021 | 63 | Disc.: Spacewatch Added on 29 January 2022 | MPC · JPL |
| 2 | 2003 UM46 | MBA-I | 19.0 | 470 m | multiple | 2003–2017 | 21 Oct 2017 | 50 | Alt.: 2010 TA92 | MPC · JPL |
| 0 | 2003 UZ47 | MBA-M | 17.2 | 1.5 km | multiple | 2003–2021 | 06 Jan 2021 | 147 | — | MPC · JPL |
| 0 | 2003 UB48 | MBA-M | 18.16 | 1.3 km | multiple | 2003–2021 | 27 Nov 2021 | 126 | Alt.: 2012 TA175 | MPC · JPL |
| 0 | 2003 UA51 | MBA-O | 16.4 | 2.9 km | multiple | 2003–2021 | 16 Jan 2021 | 82 | Disc.: NEAT Added on 22 July 2020 Alt.: 2010 DP27 | MPC · JPL |
| 0 | 2003 UC51 | MBA-O | 16.0 | 3.5 km | multiple | 2003–2021 | 12 Jan 2021 | 157 | — | MPC · JPL |
| 0 | 2003 UD51 | MBA-O | 16.45 | 2.9 km | multiple | 2003–2022 | 24 Jan 2022 | 94 | Disc.: NEAT Added on 17 January 2021 Alt.: 2010 CD6 | MPC · JPL |
| 0 | 2003 UM51 | MBA-M | 17.18 | 1.5 km | multiple | 2003–2022 | 10 Jan 2022 | 247 | — | MPC · JPL |
| 1 | 2003 UQ51 | MBA-M | 17.2 | 1.1 km | multiple | 2003–2021 | 21 Jan 2021 | 106 | Alt.: 2007 TR138 | MPC · JPL |
| 0 | 2003 UB52 | MBA-M | 17.21 | 1.5 km | multiple | 1999–2022 | 26 Jan 2022 | 200 | — | MPC · JPL |
| 0 | 2003 UM52 | MBA-O | 16.9 | 2.3 km | multiple | 2003–2021 | 16 Jan 2021 | 130 | — | MPC · JPL |
| 7 | 2003 UT55 | ATE | 26.8 | 16 m | single | 0 day | 27 Oct 2003 | 22 | — | MPC · JPL |
| 0 | 2003 UR56 | MBA-O | 16.36 | 3.0 km | multiple | 2003–2021 | 01 Apr 2021 | 223 | Alt.: 2014 UW32 | MPC · JPL |
| 0 | 2003 UH57 | MBA-I | 17.76 | 830 m | multiple | 2003–2021 | 10 Apr 2021 | 115 | — | MPC · JPL |
| 0 | 2003 UT57 | MBA-O | 15.71 | 4.0 km | multiple | 2001–2021 | 02 May 2021 | 190 | Alt.: 2008 UV372, 2010 EC65, 2016 GE142 | MPC · JPL |
| 0 | 2003 UJ58 | MBA-O | 16.8 | 2.4 km | multiple | 2003–2021 | 06 Jan 2021 | 89 | — | MPC · JPL |
| 0 | 2003 UQ58 | MBA-M | 17.61 | 1.3 km | multiple | 2003–2021 | 03 Dec 2021 | 83 | — | MPC · JPL |
| 0 | 2003 US58 | MBA-I | 17.23 | 1.1 km | multiple | 1999–2021 | 02 May 2021 | 113 | Alt.: 2018 NG9 | MPC · JPL |
| 0 | 2003 UT58 | MBA-M | 17.4 | 1.4 km | multiple | 2003–2020 | 06 Dec 2020 | 176 | — | MPC · JPL |
| 0 | 2003 UM59 | MBA-O | 17.2 | 2.0 km | multiple | 2000–2020 | 22 Jan 2020 | 83 | — | MPC · JPL |
| 0 | 2003 UQ59 | MBA-O | 16.32 | 3.0 km | multiple | 2003–2021 | 06 Apr 2021 | 114 | — | MPC · JPL |
| 0 | 2003 UT59 | MBA-M | 17.2 | 1.1 km | multiple | 2003–2021 | 21 Jan 2021 | 78 | Alt.: 2015 RJ188 | MPC · JPL |
| 0 | 2003 UG67 | MBA-I | 18.2 | 680 m | multiple | 2003–2021 | 18 Jan 2021 | 101 | — | MPC · JPL |
| 1 | 2003 UL67 | MBA-I | 19.0 | 470 m | multiple | 2003–2020 | 15 Aug 2020 | 34 | Disc.: LPL/Spacewatch II Added on 22 July 2020 Alt.: 2010 UC9 | MPC · JPL |
| 1 | 2003 UR67 | MBA-O | 18.1 | 1.3 km | multiple | 2003–2019 | 26 Sep 2019 | 37 | — | MPC · JPL |
| 0 | 2003 UB68 | MBA-I | 18.29 | 650 m | multiple | 2003–2021 | 10 Jul 2021 | 67 | Alt.: 2014 SO312 | MPC · JPL |
| 0 | 2003 UE68 | MBA-M | 18.16 | 1.3 km | multiple | 2003–2021 | 10 Jul 2021 | 42 | — | MPC · JPL |
| 0 | 2003 UN68 | MBA-O | 16.7 | 2.5 km | multiple | 2003–2021 | 18 Jan 2021 | 83 | Alt.: 2016 AU116 | MPC · JPL |
| 0 | 2003 US68 | MBA-M | 17.88 | 1.5 km | multiple | 1994–2021 | 30 Nov 2021 | 58 | Disc.: Spacewatch Added on 22 July 2020 Alt.: 2015 HL332 | MPC · JPL |
| 2 | 2003 UV68 | MBA-O | 17.4 | 1.8 km | multiple | 2003–2020 | 11 Nov 2020 | 42 | Disc.: Spacewatch Added on 17 January 2021 | MPC · JPL |
| 0 | 2003 UG69 | MBA-O | 17.1 | 2.1 km | multiple | 2003–2020 | 10 Dec 2020 | 51 | Alt.: 2009 XS30 | MPC · JPL |
| 0 | 2003 UM69 | MBA-O | 16.8 | 2.4 km | multiple | 2003–2021 | 07 Jan 2021 | 95 | Alt.: 2013 PL60 | MPC · JPL |
| 0 | 2003 UO69 | MBA-M | 17.78 | 830 m | multiple | 2003–2022 | 26 Jan 2022 | 109 | — | MPC · JPL |
| 0 | 2003 UQ69 | MBA-M | 17.42 | 1.8 km | multiple | 2003–2022 | 06 Jan 2022 | 135 | Alt.: 2012 TF188 | MPC · JPL |
| 0 | 2003 US69 | MBA-I | 18.89 | 500 m | multiple | 2003–2021 | 29 Oct 2021 | 85 | — | MPC · JPL |
| 0 | 2003 UX69 | MBA-O | 16.6 | 2.7 km | multiple | 2003–2020 | 24 Oct 2020 | 144 | Alt.: 2013 LN19 | MPC · JPL |
| 1 | 2003 UD70 | MBA-M | 18.7 | 760 m | multiple | 2003–2020 | 14 Dec 2020 | 56 | — | MPC · JPL |
| 3 | 2003 UK70 | MBA-M | 18.1 | 710 m | multiple | 2003–2020 | 11 Dec 2020 | 26 | Disc.: Spacewatch Added on 9 March 2021 Alt.: 2020 UT34 | MPC · JPL |
| 2 | 2003 UP70 | MBA-I | 19.1 | 450 m | multiple | 2003–2017 | 20 Nov 2017 | 36 | Alt.: 2010 SJ6 | MPC · JPL |
| 0 | 2003 UR70 | MBA-M | 17.4 | 1.4 km | multiple | 1999–2020 | 24 Oct 2020 | 115 | Alt.: 2013 AN66 | MPC · JPL |
| 0 | 2003 UU70 | MBA-I | 18.6 | 570 m | multiple | 2003–2018 | 13 Aug 2018 | 43 | Alt.: 2007 VW283 | MPC · JPL |
| 0 | 2003 UF71 | MBA-I | 18.60 | 570 m | multiple | 1992–2021 | 25 Nov 2021 | 111 | Alt.: 2010 QA4 | MPC · JPL |
| 1 | 2003 UR71 | MBA-M | 17.8 | 820 m | multiple | 2002–2019 | 29 Oct 2019 | 81 | Alt.: 2006 HG108 | MPC · JPL |
| 0 | 2003 UD72 | MBA-I | 18.4 | 620 m | multiple | 2003–2021 | 11 Jun 2021 | 96 | Alt.: 2008 GL5, 2011 CU104, 2011 EX107 | MPC · JPL |
| 0 | 2003 UE72 | MBA-O | 16.99 | 2.2 km | multiple | 2001–2022 | 27 Jan 2022 | 51 | Alt.: 2010 CV227 | MPC · JPL |
| 0 | 2003 UG72 | MBA-O | 16.62 | 2.6 km | multiple | 2003–2022 | 16 Jan 2022 | 123 | Alt.: 2010 BT92, 2014 QF370 | MPC · JPL |
| 0 | 2003 UV72 | MBA-O | 17.3 | 1.9 km | multiple | 2003–2020 | 22 Apr 2020 | 53 | — | MPC · JPL |
| 0 | 2003 UE73 | MBA-I | 18.60 | 570 m | multiple | 2003–2021 | 04 Aug 2021 | 58 | — | MPC · JPL |
| 0 | 2003 UQ73 | MBA-M | 17.9 | 1.1 km | multiple | 2003–2021 | 12 Jan 2021 | 108 | — | MPC · JPL |
| 2 | 2003 US73 | MBA-M | 18.2 | 680 m | multiple | 2003–2021 | 07 Jan 2021 | 81 | Alt.: 2015 VQ9 | MPC · JPL |
| 0 | 2003 UX73 | HUN | 18.51 | 590 m | multiple | 2003–2021 | 19 Nov 2021 | 130 | Alt.: 2010 JA173 | MPC · JPL |
| 0 | 2003 UB74 | MBA-I | 18.3 | 650 m | multiple | 2003–2020 | 14 Feb 2020 | 61 | — | MPC · JPL |
| 0 | 2003 US75 | MBA-M | 17.7 | 1.2 km | multiple | 2003–2020 | 04 Dec 2020 | 71 | Alt.: 2007 RR6 | MPC · JPL |
| 0 | 2003 UG76 | MBA-I | 17.93 | 770 m | multiple | 2003–2021 | 06 May 2021 | 234 | — | MPC · JPL |
| 3 | 2003 UD77 | MBA-I | 17.9 | 780 m | multiple | 2003–2019 | 19 Dec 2019 | 67 | Alt.: 2007 VR288 | MPC · JPL |
| 0 | 2003 UY77 | MBA-M | 18.3 | 920 m | multiple | 2003–2020 | 14 Dec 2020 | 77 | — | MPC · JPL |
| 0 | 2003 UJ78 | MBA-M | 16.9 | 1.8 km | multiple | 2000–2021 | 09 Jan 2021 | 249 | — | MPC · JPL |
| 0 | 2003 UK79 | MBA-M | 16.30 | 2.3 km | multiple | 2003–2021 | 08 Dec 2021 | 169 | Alt.: 2007 PN36, 2010 JX20, 2014 BT28 | MPC · JPL |
| 0 | 2003 UO79 | MBA-O | 17.38 | 2.1 km | multiple | 2003–2021 | 12 Jan 2021 | 114 | Alt.: 2020 SG8 | MPC · JPL |
| 0 | 2003 UE80 | MBA-O | 16.8 | 2.4 km | multiple | 2003–2020 | 23 Dec 2020 | 196 | — | MPC · JPL |
| 0 | 2003 UG82 | MBA-M | 17.79 | 1.2 km | multiple | 2003–2022 | 07 Jan 2022 | 39 | Alt.: 2016 QC102 | MPC · JPL |
| 0 | 2003 UA84 | MBA-O | 17.0 | 2.2 km | multiple | 2003–2019 | 28 Nov 2019 | 48 | — | MPC · JPL |
| 0 | 2003 UC84 | MBA-M | 17.7 | 860 m | multiple | 2003–2021 | 05 Mar 2021 | 42 | Alt.: 2017 BH178 | MPC · JPL |
| 0 | 2003 UK84 | MBA-I | 18.7 | 540 m | multiple | 2002–2019 | 02 Jan 2019 | 69 | — | MPC · JPL |
| 0 | 2003 UL84 | MBA-M | 17.96 | 1.4 km | multiple | 2003–2022 | 07 Jan 2022 | 39 | Alt.: 2014 ES208 | MPC · JPL |
| 2 | 2003 UY84 | MBA-M | 18.6 | 800 m | multiple | 2003–2020 | 17 Nov 2020 | 130 | Disc.: LPL/Spacewatch II Added on 17 January 2021 | MPC · JPL |
| 0 | 2003 UE85 | MBA-I | 18.94 | 480 m | multiple | 2003–2021 | 30 Nov 2021 | 87 | Alt.: 2014 WF409 | MPC · JPL |
| 0 | 2003 UH85 | MBA-M | 17.79 | 1.5 km | multiple | 2003–2021 | 08 Sep 2021 | 44 | Disc.: LPL/Spacewatch II Added on 21 August 2021 | MPC · JPL |
| 0 | 2003 UR85 | MBA-M | 18.15 | 990 m | multiple | 2003–2022 | 27 Jan 2022 | 118 | Disc.: LPL/Spacewatch II Added on 24 August 2020 | MPC · JPL |
| 0 | 2003 UC87 | MBA-M | 16.61 | 2.0 km | multiple | 2003–2021 | 18 Nov 2021 | 258 | Alt.: 2012 XN133 | MPC · JPL |
| 0 | 2003 UD87 | MBA-O | 17.27 | 2.0 km | multiple | 2003–2021 | 11 Nov 2021 | 78 | Alt.: 2010 BP104 | MPC · JPL |
| 0 | 2003 UK87 | MBA-M | 15.7 | 4.0 km | multiple | 2003–2020 | 18 May 2020 | 152 | Alt.: 2008 WQ142, 2010 CV128, 2010 JV186, 2015 BU35, 2017 OB31 | MPC · JPL |
| 0 | 2003 UA88 | MBA-O | 17.3 | 1.9 km | multiple | 2003–2020 | 06 Dec 2020 | 47 | — | MPC · JPL |
| 0 | 2003 UC88 | MBA-M | 17.67 | 1.2 km | multiple | 2001–2021 | 02 Dec 2021 | 51 | Disc.: Spacewatch Added on 21 August 2021 | MPC · JPL |
| 0 | 2003 UE88 | MBA-I | 17.8 | 820 m | multiple | 2001–2020 | 18 Apr 2020 | 95 | Alt.: 2007 VY282, 2016 CN168 | MPC · JPL |
| 0 | 2003 UE89 | MBA-M | 17.5 | 940 m | multiple | 2003–2021 | 16 Jan 2021 | 74 | Disc.: Spacewatch Added on 22 July 2020 Alt.: 2007 RH154, 2009 CJ66 | MPC · JPL |
| 0 | 2003 UF89 | MBA-M | 17.34 | 1.9 km | multiple | 2003–2021 | 08 Nov 2021 | 105 | — | MPC · JPL |
| 2 | 2003 UR89 | MBA-M | 18.1 | 1.3 km | multiple | 2003–2021 | 25 Nov 2021 | 31 | Disc.: LPL/Spacewatch II Added on 24 December 2021 | MPC · JPL |
| 0 | 2003 US89 | MBA-I | 18.1 | 710 m | multiple | 2003–2021 | 12 Jun 2021 | 104 | Alt.: 2014 OG104 | MPC · JPL |
| 0 | 2003 UX89 | MBA-O | 16.1 | 2.7 km | multiple | 1992–2021 | 11 Jan 2021 | 197 | Alt.: 2005 GM42, 2010 EB26, 2012 LZ6 | MPC · JPL |
| 0 | 2003 UB90 | MBA-M | 17.2 | 1.5 km | multiple | 2003–2020 | 15 Sep 2020 | 130 | Alt.: 2003 UV253 | MPC · JPL |
| 0 | 2003 UF90 | MBA-O | 17.1 | 2.1 km | multiple | 1992–2019 | 27 Oct 2019 | 49 | — | MPC · JPL |
| 0 | 2003 UE91 | MBA-I | 18.14 | 700 m | multiple | 2003–2021 | 15 Apr 2021 | 123 | Alt.: 2006 QU53, 2012 KZ39 | MPC · JPL |
| 2 | 2003 UW91 | MBA-O | 17.2 | 2.0 km | multiple | 2003–2020 | 05 Nov 2020 | 49 | Alt.: 2014 QX436 | MPC · JPL |
| 0 | 2003 UA92 | MBA-O | 16.8 | 2.4 km | multiple | 2003–2020 | 14 Dec 2020 | 230 | Alt.: 2010 DO97 | MPC · JPL |
| 0 | 2003 UP92 | MBA-I | 17.3 | 1.0 km | multiple | 2003–2020 | 27 Apr 2020 | 178 | Alt.: 2014 SA141 | MPC · JPL |
| 0 | 2003 UE93 | MBA-O | 15.8 | 3.9 km | multiple | 2003–2021 | 16 Jan 2021 | 174 | — | MPC · JPL |
| 0 | 2003 UU95 | MBA-I | 18.30 | 650 m | multiple | 2003–2021 | 30 Nov 2021 | 133 | — | MPC · JPL |
| 0 | 2003 UD96 | MBA-M | 17.7 | 860 m | multiple | 2003–2021 | 17 Jan 2021 | 78 | — | MPC · JPL |
| 1 | 2003 UG96 | MBA-M | 17.8 | 820 m | multiple | 2003–2020 | 17 Dec 2020 | 63 | — | MPC · JPL |
| 2 | 2003 UJ97 | MBA-I | 18.4 | 620 m | multiple | 1996–2020 | 23 Aug 2020 | 85 | Alt.: 2010 UH10 | MPC · JPL |
| 2 | 2003 UQ97 | MCA | 19.1 | 450 m | multiple | 2003–2013 | 29 Sep 2013 | 40 | Alt.: 2013 QZ15 | MPC · JPL |
| 1 | 2003 UV97 | MBA-M | 17.05 | 1.2 km | multiple | 2003–2021 | 05 Apr 2021 | 41 | — | MPC · JPL |
| 0 | 2003 UL103 | MBA-M | 17.3 | 1.5 km | multiple | 2003–2020 | 20 May 2020 | 62 | Alt.: 2015 HP68 | MPC · JPL |
| 1 | 2003 UB105 | MBA-M | 17.3 | 1.9 km | multiple | 2003–2019 | 04 Feb 2019 | 73 | Alt.: 2017 SN88 | MPC · JPL |
| 0 | 2003 UM105 | MBA-M | 17.1 | 1.6 km | multiple | 2002–2021 | 05 Jan 2021 | 191 | Alt.: 2007 TA352 | MPC · JPL |
| 1 | 2003 UP106 | MBA-I | 18.1 | 710 m | multiple | 2003–2020 | 16 Oct 2020 | 57 | Alt.: 2010 VX21 | MPC · JPL |
| 0 | 2003 UV106 | MBA-I | 18.1 | 710 m | multiple | 1996–2020 | 06 Dec 2020 | 221 | — | MPC · JPL |
| 0 | 2003 UH107 | MBA-M | 17.8 | 1.2 km | multiple | 1999–2020 | 14 Dec 2020 | 137 | — | MPC · JPL |
| 0 | 2003 UQ107 | MBA-I | 18.51 | 590 m | multiple | 2003–2021 | 25 Nov 2021 | 105 | Alt.: 2010 PA75, 2014 WO18 | MPC · JPL |
| 0 | 2003 UD108 | MBA-I | 18.73 | 530 m | multiple | 2003–2021 | 30 Oct 2021 | 77 | — | MPC · JPL |
| 0 | 2003 UR108 | MBA-O | 16.50 | 2.8 km | multiple | 2000–2021 | 08 Apr 2021 | 196 | Alt.: 2015 BX208, 2016 EN111 | MPC · JPL |
| 0 | 2003 UO109 | MBA-O | 16.4 | 2.9 km | multiple | 2003–2020 | 05 Dec 2020 | 118 | Alt.: 2008 RY13, 2012 JP29, 2014 UO143 | MPC · JPL |
| 0 | 2003 UD111 | MBA-M | 16.95 | 2.3 km | multiple | 1994–2022 | 22 Jan 2022 | 226 | Alt.: 2012 TN197 | MPC · JPL |
| 0 | 2003 UL111 | MBA-O | 16.55 | 2.7 km | multiple | 2003–2022 | 27 Jan 2022 | 172 | Alt.: 2010 CF52, 2011 BM65 | MPC · JPL |
| 0 | 2003 UP111 | MBA-I | 17.98 | 750 m | multiple | 1999–2021 | 07 Apr 2021 | 48 | Alt.: 2018 PL1 | MPC · JPL |
| 0 | 2003 UX111 | MBA-M | 17.53 | 1.7 km | multiple | 2003–2021 | 05 Nov 2021 | 68 | Disc.: NEAT Added on 30 September 2021 | MPC · JPL |
| 0 | 2003 UD112 | MBA-I | 18.1 | 710 m | multiple | 2003–2021 | 04 Jan 2021 | 61 | — | MPC · JPL |
| 1 | 2003 UF114 | MBA-M | 17.9 | 780 m | multiple | 1999–2021 | 17 Jan 2021 | 34 | Disc.: Spacewatch Added on 17 January 2021 | MPC · JPL |
| 0 | 2003 UX114 | MBA-I | 18.3 | 650 m | multiple | 2003–2019 | 25 Nov 2019 | 154 | — | MPC · JPL |
| 1 | 2003 UF115 | MBA-M | 18.2 | 960 m | multiple | 2003–2020 | 08 Dec 2020 | 73 | — | MPC · JPL |
| 2 | 2003 UH115 | MBA-O | 18.0 | 1.4 km | multiple | 2003–2018 | 14 Aug 2018 | 33 | Alt.: 2008 TO150 | MPC · JPL |
| 0 | 2003 UZ115 | MBA-M | 17.3 | 1.5 km | multiple | 2003–2020 | 20 Dec 2020 | 130 | — | MPC · JPL |
| 1 | 2003 UB116 | MBA-I | 18.6 | 570 m | multiple | 2003–2017 | 20 Dec 2017 | 56 | Alt.: 2015 BM124 | MPC · JPL |
| 0 | 2003 UL116 | MBA-I | 18.4 | 620 m | multiple | 2003–2020 | 10 Nov 2020 | 103 | — | MPC · JPL |
| 2 | 2003 UM117 | MBA-M | 17.7 | 1.2 km | multiple | 2003–2020 | 31 May 2020 | 47 | — | MPC · JPL |
| 0 | 2003 UR117 | MCA | 17.8 | 1.2 km | multiple | 2003–2021 | 09 Jan 2021 | 236 | — | MPC · JPL |
| 0 | 2003 UH119 | MBA-M | 17.3 | 1.0 km | multiple | 2003–2021 | 15 Jan 2021 | 113 | Alt.: 2011 QK56, 2015 RZ5 | MPC · JPL |
| 0 | 2003 UK119 | MBA-M | 17.3 | 1.5 km | multiple | 2001–2020 | 09 Dec 2020 | 82 | — | MPC · JPL |
| 1 | 2003 UP120 | MBA-I | 18.2 | 680 m | multiple | 2003–2018 | 11 Aug 2018 | 28 | Alt.: 2007 WW18 | MPC · JPL |
| 2 | 2003 UR120 | MBA-O | 17.4 | 1.8 km | multiple | 2003–2019 | 27 Nov 2019 | 89 | — | MPC · JPL |
| 1 | 2003 UT121 | MBA-M | 17.8 | 1.2 km | multiple | 2003–2020 | 14 Dec 2020 | 141 | Disc.: NEAT Added on 9 March 2021 Alt.: 2020 PP8 | MPC · JPL |
| 0 | 2003 UH123 | MBA-O | 17.0 | 2.2 km | multiple | 2003–2020 | 17 Nov 2020 | 50 | Disc.: Spacewatch Added on 17 January 2021 | MPC · JPL |
| 0 | 2003 UW123 | MBA-I | 18.8 | 520 m | multiple | 2003–2020 | 14 Nov 2020 | 73 | — | MPC · JPL |
| 1 | 2003 UX123 | MBA-M | 18.0 | 750 m | multiple | 2003–2021 | 11 Jan 2021 | 51 | — | MPC · JPL |
| 0 | 2003 UK124 | MBA-O | 16.41 | 2.9 km | multiple | 2003–2021 | 13 May 2021 | 126 | Alt.: 2010 FF125, 2018 RO35 | MPC · JPL |
| 0 | 2003 US124 | MBA-O | 17.2 | 2.0 km | multiple | 2003–2021 | 15 Apr 2021 | 38 | Disc.: Spacewatch Added on 5 November 2021 | MPC · JPL |
| 0 | 2003 UT124 | MBA-I | 18.2 | 680 m | multiple | 2003–2017 | 11 Nov 2017 | 71 | Alt.: 2010 TC185 | MPC · JPL |
| 0 | 2003 UC125 | MBA-M | 17.1 | 1.6 km | multiple | 2003–2020 | 17 Dec 2020 | 140 | — | MPC · JPL |
| 1 | 2003 US125 | MBA-M | 17.5 | 940 m | multiple | 1999–2019 | 28 Jun 2019 | 38 | Alt.: 2015 TJ338 | MPC · JPL |
| 0 | 2003 UW125 | MBA-I | 18.0 | 750 m | multiple | 2003–2019 | 02 Jan 2019 | 109 | — | MPC · JPL |
| 0 | 2003 UB126 | MBA-I | 17.82 | 810 m | multiple | 1992–2021 | 06 Sep 2021 | 203 | Alt.: 2012 BS111 | MPC · JPL |
| 1 | 2003 UB127 | MBA-O | 17.3 | 1.9 km | multiple | 2001–2018 | 07 Sep 2018 | 58 | — | MPC · JPL |
| 0 | 2003 UF127 | MBA-O | 17.0 | 2.2 km | multiple | 2003–2021 | 16 Jan 2021 | 97 | Alt.: 2003 UW310, 2016 CV151 | MPC · JPL |
| 1 | 2003 UU127 | MBA-I | 18.5 | 590 m | multiple | 2003–2020 | 17 Dec 2020 | 143 | Alt.: 2003 UU313, 2013 PP94 | MPC · JPL |
| 0 | 2003 UO128 | MBA-I | 17.9 | 780 m | multiple | 2003–2021 | 15 Apr 2021 | 59 | Disc.: LPL/Spacewatch II Added on 11 May 2021 Alt.: 2007 TS201 | MPC · JPL |
| 0 | 2003 UB129 | MBA-O | 17.4 | 1.8 km | multiple | 2003–2019 | 02 Nov 2019 | 37 | Disc.: Spacewatch Added on 9 March 2021 Alt.: 2019 SO58 | MPC · JPL |
| 0 | 2003 UR130 | MBA-M | 16.95 | 1.2 km | multiple | 2003–2021 | 09 Apr 2021 | 213 | Alt.: 2015 TV189 | MPC · JPL |
| 0 | 2003 US130 | MBA-M | 17.4 | 980 m | multiple | 2003–2021 | 18 Jan 2021 | 53 | — | MPC · JPL |
| 0 | 2003 UA131 | MBA-M | 16.9 | 1.8 km | multiple | 2003–2021 | 14 Jan 2021 | 98 | Alt.: 2013 BL71 | MPC · JPL |
| 0 | 2003 UV133 | MBA-M | 17.4 | 980 m | multiple | 2003–2021 | 21 Jan 2021 | 51 | — | MPC · JPL |
| 0 | 2003 UD136 | MBA-O | 16.98 | 1.8 km | multiple | 2003–2022 | 27 Jan 2022 | 176 | Alt.: 2010 EV163 | MPC · JPL |
| 0 | 2003 UT136 | MBA-M | 17.19 | 2.0 km | multiple | 2001–2021 | 27 Sep 2021 | 174 | Alt.: 2012 RA3 | MPC · JPL |
| 0 | 2003 UE137 | MBA-I | 17.98 | 750 m | multiple | 2003–2021 | 08 Apr 2021 | 222 | — | MPC · JPL |
| 0 | 2003 UF137 | MBA-O | 16.49 | 2.8 km | multiple | 2003–2021 | 10 Nov 2021 | 220 | — | MPC · JPL |
| 0 | 2003 UJ139 | MBA-M | 16.70 | 1.4 km | multiple | 2003–2022 | 27 Jan 2022 | 115 | Alt.: 2015 PF62 | MPC · JPL |
| 1 | 2003 UL139 | MBA-I | 17.9 | 780 m | multiple | 2003–2021 | 18 Jan 2021 | 60 | — | MPC · JPL |
| 0 | 2003 UQ140 | MBA-O | 15.8 | 3.9 km | multiple | 2000–2021 | 15 Jan 2021 | 187 | Alt.: 2013 PK71 | MPC · JPL |
| 1 | 2003 UH142 | HUN | 17.9 | 780 m | multiple | 2003–2019 | 20 Dec 2019 | 157 | Alt.: 2005 JH17, 2011 UB270 | MPC · JPL |
| 0 | 2003 UM149 | MBA-I | 17.8 | 820 m | multiple | 2003–2020 | 21 Apr 2020 | 141 | Alt.: 2012 BD85 | MPC · JPL |
| 1 | 2003 UL152 | MCA | 18.0 | 1.1 km | multiple | 2003–2020 | 14 Jun 2020 | 108 | — | MPC · JPL |
| 0 | 2003 UM153 | MBA-M | 17.80 | 1.2 km | multiple | 2003–2022 | 23 Jan 2022 | 64 | Alt.: 2016 WU11 | MPC · JPL |
| 0 | 2003 UP153 | MBA-O | 16.5 | 2.8 km | multiple | 2003–2020 | 05 Jan 2020 | 76 | — | MPC · JPL |
| 2 | 2003 US153 | MBA-M | 18.6 | 1.1 km | multiple | 2003–2021 | 09 Nov 2021 | 47 | Disc.: LPL/Spacewatch II Added on 24 December 2021 | MPC · JPL |
| 0 | 2003 UT153 | MBA-I | 18.1 | 710 m | multiple | 2003–2021 | 22 Jan 2021 | 82 | Disc.: LPL/Spacewatch II Added on 30 September 2021 Alt.: 2005 HG12 | MPC · JPL |
| 1 | 2003 UB154 | MBA-M | 18.1 | 710 m | multiple | 1999–2019 | 25 Sep 2019 | 51 | — | MPC · JPL |
| 0 | 2003 UH154 | MBA-M | 17.6 | 1.3 km | multiple | 2003–2020 | 11 Oct 2020 | 97 | — | MPC · JPL |
| 0 | 2003 UM154 | MBA-M | 17.63 | 1.7 km | multiple | 2003–2021 | 01 Nov 2021 | 73 | Disc.: Spacewatch Added on 21 August 2021 Alt.: 2015 GC35 | MPC · JPL |
| – | 2003 UP154 | MBA-O | 18.6 | 1.1 km | single | 19 days | 24 Oct 2003 | 12 | — | MPC · JPL |
| 0 | 2003 UL155 | MBA-I | 18.77 | 520 m | multiple | 2003–2021 | 08 Dec 2021 | 72 | Alt.: 2010 HF138 | MPC · JPL |
| 0 | 2003 UQ155 | MBA-I | 18.80 | 520 m | multiple | 2003–2022 | 06 Jan 2022 | 59 | — | MPC · JPL |
| 0 | 2003 UX155 | MBA-O | 16.9 | 2.3 km | multiple | 1998–2019 | 02 Nov 2019 | 69 | Alt.: 2014 WF222 | MPC · JPL |
| 0 | 2003 UY155 | MBA-O | 16.85 | 2.4 km | multiple | 2003–2022 | 27 Jan 2022 | 69 | — | MPC · JPL |
| – | 2003 UL156 | MBA-I | 19.3 | 410 m | single | 19 days | 24 Oct 2003 | 11 | — | MPC · JPL |
| 0 | 2003 UO156 | MBA-I | 17.77 | 830 m | multiple | 2003–2021 | 11 Jul 2021 | 102 | Alt.: 2014 OY225 | MPC · JPL |
| 0 | 2003 UC157 | MBA-M | 17.4 | 980 m | multiple | 1999–2021 | 18 Jan 2021 | 108 | Alt.: 1999 YY24 | MPC · JPL |
| 0 | 2003 UH157 | MBA-I | 18.36 | 630 m | multiple | 2001–2021 | 13 Jul 2021 | 63 | — | MPC · JPL |
| 0 | 2003 UA158 | MBA-I | 18.8 | 520 m | multiple | 2003–2020 | 23 Aug 2020 | 28 | Disc.: Spacewatch Added on 21 August 2021 | MPC · JPL |
| 1 | 2003 UY159 | MBA-M | 18.0 | 1.1 km | multiple | 2003–2020 | 07 Oct 2020 | 83 | — | MPC · JPL |
| 0 | 2003 UJ160 | MBA-M | 17.20 | 2.0 km | multiple | 2003–2021 | 27 Oct 2021 | 125 | Alt.: 2003 TD | MPC · JPL |
| 0 | 2003 UW160 | MBA-O | 16.78 | 2.5 km | multiple | 2003–2021 | 07 Apr 2021 | 92 | — | MPC · JPL |
| 3 | 2003 UJ165 | MBA-M | 17.9 | 1.1 km | multiple | 2003–2020 | 17 Dec 2020 | 59 | — | MPC · JPL |
| 2 | 2003 UZ165 | MBA-M | 18.4 | 880 m | multiple | 2003–2016 | 01 Nov 2016 | 42 | — | MPC · JPL |
| 0 | 2003 UH166 | MBA-I | 18.73 | 530 m | multiple | 2003–2021 | 09 Nov 2021 | 63 | Disc.: Spacewatch Added on 22 July 2020 Alt.: 2010 QQ | MPC · JPL |
| 1 | 2003 UQ166 | MBA-I | 18.1 | 710 m | multiple | 2003–2020 | 24 Dec 2020 | 86 | Alt.: 2016 TQ45 | MPC · JPL |
| 0 | 2003 US167 | MBA-O | 16.5 | 2.8 km | multiple | 2003–2020 | 16 Nov 2020 | 58 | Alt.: 2003 UL415 | MPC · JPL |
| 1 | 2003 UD169 | MBA-I | 18.75 | 530 m | multiple | 2003–2021 | 04 Jul 2021 | 37 | — | MPC · JPL |
| 0 | 2003 UN169 | MBA-I | 18.29 | 650 m | multiple | 2003–2021 | 15 Apr 2021 | 62 | Alt.: 2006 KE30 | MPC · JPL |
| 0 | 2003 UV170 | MBA-I | 17.5 | 940 m | multiple | 1999–2020 | 27 Apr 2020 | 124 | — | MPC · JPL |
| – | 2003 UA171 | MBA-M | 17.7 | 860 m | single | 5 days | 24 Oct 2003 | 11 | — | MPC · JPL |
| 1 | 2003 UV172 | MBA-M | 18.4 | 880 m | multiple | 2003–2020 | 16 Oct 2020 | 28 | Disc.: Spacewatch Added on 9 March 2021 | MPC · JPL |
| 2 | 2003 UY172 | MCA | 19.71 | 350 m | multiple | 2003-2023 | 24 Aug 2023 | 27 | — | MPC · JPL |
| 0 | 2003 UB173 | MBA-M | 17.0 | 1.7 km | multiple | 2003–2021 | 05 Jan 2021 | 318 | — | MPC · JPL |
| 3 | 2003 UW176 | MBA-M | 18.3 | 920 m | multiple | 2003–2020 | 16 Dec 2020 | 34 | Disc.: LONEOS Added on 9 March 2021 | MPC · JPL |
| 0 | 2003 UX176 | MBA-M | 16.8 | 1.3 km | multiple | 2003–2021 | 09 Jan 2021 | 97 | Alt.: 2015 KH149 | MPC · JPL |
| 0 | 2003 UN179 | MBA-M | 17.61 | 1.3 km | multiple | 2003–2022 | 10 Jan 2022 | 76 | Alt.: 2016 SS65 | MPC · JPL |
| 2 | 2003 US181 | MBA-I | 17.7 | 860 m | multiple | 2003–2020 | 28 Jan 2020 | 59 | Alt.: 2007 VD318 | MPC · JPL |
| 0 | 2003 UM182 | MBA-M | 17.2 | 1.5 km | multiple | 2003–2021 | 11 Jan 2021 | 158 | — | MPC · JPL |
| 0 | 2003 UP182 | MBA-I | 18.3 | 650 m | multiple | 1996–2020 | 10 Nov 2020 | 149 | Alt.: 1996 TB61 | MPC · JPL |
| 0 | 2003 UX182 | MBA-M | 17.52 | 1.7 km | multiple | 1994–2021 | 27 Nov 2021 | 113 | — | MPC · JPL |
| 0 | 2003 UZ182 | MBA-O | 17.09 | 2.1 km | multiple | 2003–2021 | 15 Apr 2021 | 174 | Alt.: 2010 HV72 | MPC · JPL |
| 1 | 2003 UB183 | MBA-M | 17.3 | 1.5 km | multiple | 2003–2021 | 05 Jan 2021 | 124 | — | MPC · JPL |
| 0 | 2003 UL189 | MBA-M | 17.64 | 1.2 km | multiple | 2003–2021 | 01 Dec 2021 | 35 | — | MPC · JPL |
| 0 | 2003 UM189 | MBA-M | 17.7 | 1.2 km | multiple | 2003–2020 | 20 Dec 2020 | 83 | — | MPC · JPL |
| 2 | 2003 UC191 | MBA-M | 18.6 | 570 m | multiple | 2003–2019 | 28 Jul 2019 | 50 | Alt.: 2007 TM291 | MPC · JPL |
| 0 | 2003 UE191 | MBA-O | 16.46 | 2.8 km | multiple | 2000–2022 | 26 Jan 2022 | 98 | Alt.: 2009 WQ138, 2013 NK20 | MPC · JPL |
| 0 | 2003 UF191 | MBA-O | 16.59 | 2.7 km | multiple | 2003–2022 | 25 Jan 2022 | 121 | — | MPC · JPL |
| 0 | 2003 UM191 | MBA-I | 17.61 | 890 m | multiple | 2003–2021 | 05 Jan 2021 | 138 | — | MPC · JPL |
| 0 | 2003 UO192 | MBA-M | 17.7 | 1.2 km | multiple | 2003–2020 | 12 Dec 2020 | 78 | Disc.: Spacewatch Added on 24 August 2020 | MPC · JPL |
| 0 | 2003 UP192 | MBA-I | 18.4 | 620 m | multiple | 2003–2020 | 17 Nov 2020 | 95 | Alt.: 2016 LH30 | MPC · JPL |
| 0 | 2003 UQ192 | MBA-M | 18.1 | 1.0 km | multiple | 2003–2020 | 17 Sep 2020 | 65 | Disc.: Spacewatch Added on 19 October 2020 | MPC · JPL |
| 0 | 2003 UC194 | MBA-O | 15.5 | 4.4 km | multiple | 2000–2021 | 09 Jan 2021 | 158 | Alt.: 2011 UZ138 | MPC · JPL |
| 0 | 2003 UD198 | MBA-M | 17.1 | 1.6 km | multiple | 2003–2021 | 08 Jan 2021 | 111 | — | MPC · JPL |
| 0 | 2003 UD199 | MBA-O | 17.07 | 2.1 km | multiple | 2003–2021 | 03 May 2021 | 122 | Alt.: 2016 GF50 | MPC · JPL |
| 0 | 2003 UF199 | MBA-M | 17.16 | 2.1 km | multiple | 2003–2021 | 09 Dec 2021 | 154 | — | MPC · JPL |
| 0 | 2003 UC200 | MBA-M | 17.9 | 1.1 km | multiple | 2003–2020 | 17 Nov 2020 | 160 | — | MPC · JPL |
| 0 | 2003 UP203 | MBA-M | 17.30 | 1.0 km | multiple | 2003–2021 | 07 Apr 2021 | 149 | Alt.: 2015 PE220 | MPC · JPL |
| 0 | 2003 UR203 | MBA-M | 17.99 | 1.4 km | multiple | 2003–2021 | 01 Dec 2021 | 96 | Alt.: 2012 TR56 | MPC · JPL |
| 1 | 2003 UM204 | MCA | 19.3 | 410 m | multiple | 2003–2019 | 28 Aug 2019 | 52 | Alt.: 2016 WP4 | MPC · JPL |
| 0 | 2003 UK205 | MCA | 18.18 | 690 m | multiple | 2003–2021 | 03 Dec 2021 | 289 | Alt.: 2014 WU5 | MPC · JPL |
| 0 | 2003 UC207 | MBA-I | 17.68 | 870 m | multiple | 2003–2021 | 05 Jun 2021 | 217 | Alt.: 2007 RF97 | MPC · JPL |
| 0 | 2003 UM207 | MCA | 17.59 | 1.7 km | multiple | 2003–2022 | 25 Jan 2022 | 67 | — | MPC · JPL |
| 0 | 2003 UA209 | MBA-M | 19.00 | 880 m | multiple | 2003–2021 | 09 Nov 2021 | 90 | Alt.: 2012 TE117 | MPC · JPL |
| 0 | 2003 US209 | MBA-M | 18.2 | 680 m | multiple | 2003–2021 | 10 Jan 2021 | 69 | — | MPC · JPL |
| 0 | 2003 UM210 | MBA-I | 17.70 | 860 m | multiple | 2003–2021 | 04 May 2021 | 106 | — | MPC · JPL |
| 0 | 2003 UN210 | HUN | 18.87 | 500 m | multiple | 2003–2021 | 11 May 2021 | 48 | Alt.: 2011 UZ116 | MPC · JPL |
| 1 | 2003 UP211 | MCA | 19.4 | 390 m | multiple | 2003–2019 | 12 Jan 2019 | 38 | — | MPC · JPL |
| 0 | 2003 UX212 | MBA-I | 17.96 | 760 m | multiple | 2003–2022 | 26 Jan 2022 | 156 | — | MPC · JPL |
| 2 | 2003 UE214 | MCA | 19.5 | 370 m | multiple | 2003–2016 | 05 Jun 2016 | 41 | Alt.: 2013 TV1 | MPC · JPL |
| 0 | 2003 UG214 | MBA-I | 18.94 | 480 m | multiple | 2003–2021 | 09 Nov 2021 | 64 | Disc.: LINEAR Added on 22 July 2020 Alt.: 2014 WJ406 | MPC · JPL |
| 0 | 2003 UZ214 | MBA-I | 18.27 | 660 m | multiple | 2003–2021 | 29 Oct 2021 | 101 | Alt.: 2014 UE47, 2014 VD34 | MPC · JPL |
| 0 | 2003 UG216 | MBA-I | 18.1 | 710 m | multiple | 2003–2020 | 15 Sep 2020 | 85 | Alt.: 2010 VH82 | MPC · JPL |
| 1 | 2003 UA217 | MBA-I | 18.2 | 680 m | multiple | 2003–2020 | 16 Feb 2020 | 55 | Alt.: 2019 YY8 | MPC · JPL |
| 0 | 2003 UF220 | MBA-M | 17.5 | 940 m | multiple | 2003–2021 | 04 Jan 2021 | 76 | Alt.: 2014 HJ60 | MPC · JPL |
| 0 | 2003 UH220 | MBA-I | 18.39 | 620 m | multiple | 2003–2022 | 07 Jan 2022 | 109 | Alt.: 2014 YJ17 | MPC · JPL |
| 3 | 2003 UU220 | MBA-O | 17.3 | 1.9 km | multiple | 2003–2021 | 06 Jan 2021 | 50 | Disc.: Spacewatch Added on 9 March 2021 | MPC · JPL |
| 0 | 2003 UN224 | MBA-I | 17.6 | 900 m | multiple | 2003–2020 | 02 Feb 2020 | 104 | Alt.: 2016 AV71 | MPC · JPL |
| 0 | 2003 UW224 | MBA-M | 17.7 | 860 m | multiple | 2003–2021 | 07 Jan 2021 | 66 | — | MPC · JPL |
| 0 | 2003 UF225 | MBA-I | 18.6 | 570 m | multiple | 2003–2021 | 05 Jan 2021 | 108 | Alt.: 2010 WF67 | MPC · JPL |
| 0 | 2003 UP228 | MBA-I | 18.5 | 590 m | multiple | 2003–2019 | 01 Nov 2019 | 114 | — | MPC · JPL |
| 1 | 2003 UA229 | MBA-M | 17.8 | 1.2 km | multiple | 2001–2021 | 06 Jan 2021 | 201 | — | MPC · JPL |
| 1 | 2003 UM230 | MBA-M | 18.3 | 920 m | multiple | 2003–2021 | 06 Jan 2021 | 72 | Disc.: Spacewatch Added on 17 January 2021 | MPC · JPL |
| 0 | 2003 UT231 | MBA-O | 16.2 | 3.2 km | multiple | 2003–2021 | 06 Jan 2021 | 92 | Alt.: 2017 HD14 | MPC · JPL |
| 0 | 2003 UV231 | MBA-I | 19.2 | 430 m | multiple | 2003–2020 | 14 Dec 2020 | 59 | Disc.: LPL/Spacewatch II Added on 9 March 2021 Alt.: 2020 TN14 | MPC · JPL |
| 1 | 2003 UO232 | MBA-I | 18.8 | 520 m | multiple | 2003–2019 | 19 Nov 2019 | 70 | — | MPC · JPL |
| 0 | 2003 US232 | MBA-M | 17.8 | 1.2 km | multiple | 2003–2020 | 16 Nov 2020 | 136 | Alt.: 2007 RB81 | MPC · JPL |
| 0 | 2003 UN233 | MBA-O | 16.9 | 2.3 km | multiple | 2003–2021 | 05 Jan 2021 | 84 | Disc.: Spacewatch Added on 17 January 2021 Alt.: 2010 EE171, 2014 QK490 | MPC · JPL |
| 0 | 2003 UU233 | MBA-M | 17.69 | 1.6 km | multiple | 2003–2021 | 05 Nov 2021 | 126 | — | MPC · JPL |
| 0 | 2003 UM234 | MBA-O | 17.0 | 2.2 km | multiple | 2003–2020 | 14 Dec 2020 | 57 | Alt.: 2014 WP146 | MPC · JPL |
| 2 | 2003 UQ234 | MBA-M | 18.8 | 520 m | multiple | 2003–2019 | 25 Oct 2019 | 46 | Alt.: 2007 TN390 | MPC · JPL |
| 0 | 2003 UC235 | MBA-O | 17.3 | 1.9 km | multiple | 2003–2020 | 12 Dec 2020 | 65 | Alt.: 2014 QY294 | MPC · JPL |
| 4 | 2003 UL235 | MBA-I | 19.3 | 410 m | multiple | 2003–2017 | 23 Oct 2017 | 37 | — | MPC · JPL |
| 0 | 2003 UB236 | MBA-O | 16.7 | 2.5 km | multiple | 2003–2021 | 09 Jan 2021 | 142 | Alt.: 2010 DE84 | MPC · JPL |
| 0 | 2003 UG236 | MBA-I | 18.4 | 620 m | multiple | 2003–2021 | 16 Jan 2021 | 78 | Alt.: 2016 SQ22 | MPC · JPL |
| 0 | 2003 UO236 | MBA-I | 17.4 | 980 m | multiple | 2003–2020 | 14 May 2020 | 256 | Alt.: 2003 UB143 | MPC · JPL |
| 0 | 2003 US237 | MBA-M | 16.62 | 2.6 km | multiple | 2003–2022 | 04 Jan 2022 | 177 | Alt.: 2010 MO50 | MPC · JPL |
| 0 | 2003 UT238 | MBA-I | 18.36 | 630 m | multiple | 2003–2021 | 27 Nov 2021 | 109 | Alt.: 2014 XJ5 | MPC · JPL |
| 0 | 2003 UX238 | MBA-O | 16.92 | 2.3 km | multiple | 1993–2021 | 15 Apr 2021 | 110 | — | MPC · JPL |
| 0 | 2003 UD239 | MBA-M | 17.56 | 1.7 km | multiple | 2003–2021 | 08 Sep 2021 | 74 | — | MPC · JPL |
| 1 | 2003 UW239 | MBA-M | 16.9 | 1.8 km | multiple | 2003–2021 | 09 Jan 2021 | 135 | Alt.: 2003 UG149 | MPC · JPL |
| 0 | 2003 UR240 | MBA-I | 18.1 | 710 m | multiple | 2003–2020 | 22 Nov 2020 | 61 | — | MPC · JPL |
| 0 | 2003 UT242 | MBA-O | 16.3 | 3.1 km | multiple | 2003–2021 | 14 Jan 2021 | 166 | — | MPC · JPL |
| 2 | 2003 UN244 | MBA-M | 17.2 | 2.0 km | multiple | 2003–2018 | 14 Jan 2018 | 54 | — | MPC · JPL |
| 4 | 2003 UD245 | MBA-I | 18.7 | 540 m | multiple | 2003–2019 | 29 Oct 2019 | 38 | Disc.: Spacewatch Added on 9 March 2021 Alt.: 2019 SD29 | MPC · JPL |
| 0 | 2003 UQ245 | MBA-I | 18.3 | 650 m | multiple | 2003–2020 | 07 Dec 2020 | 112 | — | MPC · JPL |
| 0 | 2003 UZ247 | MBA-O | 16.8 | 2.4 km | multiple | 2003–2020 | 21 Jan 2020 | 87 | Alt.: 2008 RE139 | MPC · JPL |
| 0 | 2003 UE248 | HIL | 16.0 | 3.5 km | multiple | 2003–2020 | 22 Dec 2020 | 90 | — | MPC · JPL |
| 0 | 2003 UP248 | MBA-I | 18.65 | 550 m | multiple | 2003–2021 | 30 Dec 2021 | 111 | — | MPC · JPL |
| 0 | 2003 UH250 | MBA-M | 17.54 | 1.7 km | multiple | 2003–2021 | 30 Oct 2021 | 62 | — | MPC · JPL |
| 0 | 2003 UF251 | MBA-I | 19.21 | 430 m | multiple | 2003–2021 | 02 Oct 2021 | 63 | — | MPC · JPL |
| 0 | 2003 UM251 | MBA-M | 17.3 | 1.5 km | multiple | 2003–2021 | 15 Jan 2021 | 126 | Alt.: 2011 US133 | MPC · JPL |
| 2 | 2003 UV251 | MBA-O | 17.3 | 1.9 km | multiple | 2003–2019 | 19 Sep 2019 | 26 | — | MPC · JPL |
| 2 | 2003 UC253 | MBA-M | 18.1 | 1.3 km | multiple | 2003–2017 | 24 Oct 2017 | 40 | — | MPC · JPL |
| 0 | 2003 UD254 | MBA-I | 18.66 | 550 m | multiple | 2003–2021 | 03 Aug 2021 | 38 | — | MPC · JPL |
| 0 | 2003 UO258 | MBA-I | 18.08 | 720 m | multiple | 2003–2021 | 09 Dec 2021 | 144 | Alt.: 2010 RS79 | MPC · JPL |
| 0 | 2003 UR261 | MBA-M | 17.58 | 1.7 km | multiple | 2003–2021 | 09 Aug 2021 | 76 | — | MPC · JPL |
| 0 | 2003 UV262 | MBA-O | 17.1 | 2.1 km | multiple | 2003–2021 | 14 Jan 2021 | 71 | — | MPC · JPL |
| 0 | 2003 UX262 | MBA-O | 17.4 | 1.8 km | multiple | 2003–2019 | 27 Nov 2019 | 69 | Alt.: 2014 WU268 | MPC · JPL |
| 0 | 2003 UY262 | MBA-I | 18.8 | 520 m | multiple | 2003–2019 | 27 Oct 2019 | 98 | — | MPC · JPL |
| 0 | 2003 UC268 | MBA-O | 17.2 | 2.0 km | multiple | 2003–2019 | 25 Sep 2019 | 78 | Alt.: 2014 WV224 | MPC · JPL |
| 0 | 2003 UZ268 | MBA-I | 18.47 | 600 m | multiple | 2003–2021 | 04 Apr 2021 | 40 | Alt.: 2007 VB118 | MPC · JPL |
| 0 | 2003 UH269 | MBA-O | 16.9 | 2.3 km | multiple | 2003–2020 | 20 Dec 2020 | 202 | Alt.: 2003 US134 | MPC · JPL |
| 0 | 2003 UY269 | MBA-M | 17.75 | 1.6 km | multiple | 2003–2021 | 04 Oct 2021 | 70 | — | MPC · JPL |
| 0 | 2003 UL271 | MBA-M | 17.72 | 1.6 km | multiple | 2003–2021 | 24 Nov 2021 | 185 | Alt.: 2012 TK9 | MPC · JPL |
| 0 | 2003 UO273 | MBA-I | 18.1 | 710 m | multiple | 2003–2021 | 08 Jan 2021 | 133 | Alt.: 2010 XC47, 2015 FM222 | MPC · JPL |
| 1 | 2003 UZ274 | MBA-I | 18.0 | 750 m | multiple | 2003–2018 | 10 Dec 2018 | 77 | Alt.: 2014 SU311 | MPC · JPL |
| 0 | 2003 UN279 | MBA-O | 16.4 | 2.9 km | multiple | 2003–2021 | 07 Jan 2021 | 113 | Alt.: 2014 WG104 | MPC · JPL |
| 0 | 2003 UT279 | MBA-M | 17.41 | 1.8 km | multiple | 2003–2021 | 10 Aug 2021 | 141 | Alt.: 2012 QO7 | MPC · JPL |
| 0 | 2003 UM281 | MBA-M | 17.5 | 1.3 km | multiple | 2003–2021 | 05 Jan 2021 | 185 | — | MPC · JPL |
| 0 | 2003 UQ281 | MBA-O | 16.5 | 2.8 km | multiple | 2003–2020 | 22 Nov 2020 | 99 | — | MPC · JPL |
| 0 | 2003 UV281 | MBA-O | 17.72 | 1.6 km | multiple | 2003–2022 | 26 Jan 2022 | 46 | Disc.: Kitt Peak Obs. Added on 17 January 2021 | MPC · JPL |
| 2 | 2003 UW281 | MBA-M | 17.9 | 1.5 km | multiple | 2003–2021 | 07 Oct 2021 | 66 | — | MPC · JPL |
| 0 | 2003 UX282 | MBA-O | 16.1 | 3.4 km | multiple | 2003–2021 | 14 Jan 2021 | 218 | — | MPC · JPL |
| 0 | 2003 UG283 | MBA-I | 18.4 | 620 m | multiple | 2000–2019 | 19 Sep 2019 | 38 | — | MPC · JPL |
| – | 2003 UY283 | TNO | 15.3 | 5.0 km | single | 32 days | 19 Nov 2003 | 44 | LoUTNOs, centaur | MPC · JPL |
| 3 | 2003 UN284 | TNO | 7.5 | 124 km | multiple | 2003–2020 | 14 Nov 2020 | 39 | LoUTNOs, cubewano (cold), albedo: 0.090; binary: 83 km | MPC · JPL |
| 0 | 2003 UX284 | MBA-M | 18.36 | 1.2 km | multiple | 2003–2021 | 02 Dec 2021 | 49 | — | MPC · JPL |
| 1 | 2003 UC285 | MBA-I | 19.1 | 450 m | multiple | 2003–2019 | 19 Sep 2019 | 44 | — | MPC · JPL |
| 2 | 2003 UJ285 | MBA-I | 19.7 | 340 m | multiple | 2003–2019 | 29 Sep 2019 | 16 | Disc.: Kitt Peak Obs. Added on 30 September 2021 | MPC · JPL |
| 1 | 2003 UB286 | MBA-O | 17.6 | 1.7 km | multiple | 2000–2019 | 21 Sep 2019 | 29 | Disc.: Kitt Peak Obs. Added on 21 August 2021 | MPC · JPL |
| 1 | 2003 UC286 | MBA-O | 17.41 | 1.8 km | multiple | 1998–2021 | 08 May 2021 | 56 | — | MPC · JPL |
| 3 | 2003 UD286 | MBA-O | 18.2 | 1.3 km | multiple | 2003–2019 | 28 Oct 2019 | 22 | — | MPC · JPL |
| 0 | 2003 UK286 | MBA-O | 17.9 | 1.5 km | multiple | 2003–2021 | 18 May 2021 | 35 | Disc.: Kitt Peak Obs. Added on 22 July 2020 Alt.: 2018 VQ104 | MPC · JPL |
| 0 | 2003 UO286 | MBA-M | 18.2 | 680 m | multiple | 2003–2019 | 08 Aug 2019 | 32 | — | MPC · JPL |
| 0 | 2003 UQ286 | MBA-M | 17.6 | 1.3 km | multiple | 2003–2020 | 07 Sep 2020 | 79 | Alt.: 2014 EJ113, 2015 KA96 | MPC · JPL |
| 0 | 2003 UX286 | MBA-O | 17.23 | 2.0 km | multiple | 2003–2022 | 26 Jan 2022 | 35 | Disc.: Kitt Peak Obs. Added on 17 January 2021 | MPC · JPL |
| 3 | 2003 UZ286 | MBA-O | 17.5 | 1.8 km | multiple | 2003–2020 | 10 Nov 2020 | 27 | Disc.: Kitt Peak Obs. Added on 17 January 2021 | MPC · JPL |
| 1 | 2003 UG287 | MBA-I | 18.7 | 540 m | multiple | 2003–2016 | 21 Oct 2016 | 43 | — | MPC · JPL |
| 0 | 2003 UL287 | MBA-M | 18.5 | 590 m | multiple | 2003–2021 | 11 Feb 2021 | 51 | Disc.: Kitt Peak Obs. Added on 11 May 2021 Alt.: 2007 RK220 | MPC · JPL |
| 0 | 2003 UX287 | MBA-M | 17.32 | 1.0 km | multiple | 2003–2021 | 13 Apr 2021 | 69 | Disc.: Kitt Peak Obs. Added on 22 July 2020 Alt.: 2017 BJ117 | MPC · JPL |
| – | 2003 UH288 | MBA-M | 17.6 | 1.3 km | single | 5 days | 24 Oct 2003 | 9 | — | MPC · JPL |
| 0 | 2003 UP288 | MBA-M | 18.09 | 1.3 km | multiple | 2003–2019 | 15 Jan 2019 | 39 | — | MPC · JPL |
| 4 | 2003 UR288 | MBA-I | 19.2 | 430 m | single | 70 days | 01 Dec 2003 | 17 | — | MPC · JPL |
| 0 | 2003 UV288 | MBA-I | 17.98 | 750 m | multiple | 2003–2021 | 06 Nov 2021 | 95 | Alt.: 2016 HY7 | MPC · JPL |
| 0 | 2003 UB289 | MBA-M | 18.0 | 750 m | multiple | 2003–2019 | 29 Sep 2019 | 54 | Alt.: 2010 PJ31 | MPC · JPL |
| 0 | 2003 UF289 | MBA-M | 18.0 | 1.1 km | multiple | 2003–2020 | 17 Nov 2020 | 37 | Disc.: Kitt Peak Obs. Added on 17 January 2021 | MPC · JPL |
| 0 | 2003 UG289 | MBA-O | 17.1 | 2.1 km | multiple | 2003–2021 | 18 Jan 2021 | 92 | Alt.: 2011 BC192, 2017 HT24 | MPC · JPL |
| 0 | 2003 UL289 | MBA-I | 17.9 | 780 m | multiple | 2003–2020 | 31 Jan 2020 | 52 | — | MPC · JPL |
| 1 | 2003 UM289 | MBA-M | 17.8 | 820 m | multiple | 2003–2018 | 19 May 2018 | 32 | — | MPC · JPL |
| 0 | 2003 UN289 | MBA-O | 17.2 | 2.0 km | multiple | 2003–2019 | 26 Nov 2019 | 56 | — | MPC · JPL |
| 0 | 2003 UP289 | MBA-O | 16.7 | 2.5 km | multiple | 2003–2020 | 08 Dec 2020 | 79 | — | MPC · JPL |
| 0 | 2003 UQ289 | MBA-I | 19.07 | 460 m | multiple | 1999–2021 | 10 Apr 2021 | 39 | — | MPC · JPL |
| 0 | 2003 UU289 | MBA-I | 18.37 | 630 m | multiple | 2003–2021 | 30 Nov 2021 | 78 | Disc.: Kitt Peak Obs. Added on 5 November 2021 | MPC · JPL |