# List of unnumbered minor planets: 2003 H–L

This is a partial list of unnumbered minor planets for principal provisional designations assigned between 16 April and 15 June 2003. As of January 2022, a total of 463 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 | | | |

## H

| 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 |
| 0 | 2003 HL | MCA | 16.3 | 2.3 km | multiple | 2003–2020 | 31 May 2020 | 362 | Disc.: LINEAR | MPC · JPL |
| 2 | 2003 HM | ATE | 21.8 | 160 m | multiple | 2003–2020 | 30 Jan 2020 | 69 | Disc.: LINEAR Potentially hazardous object | MPC · JPL |
| 0 | 2003 HN | APO | 19.9 | 370 m | multiple | 2003–2006 | 28 Oct 2006 | 340 | Disc.: AMOS | MPC · JPL |
| 0 | 2003 HZ | MCA | 17.61 | 1.7 km | multiple | 2003–2019 | 10 Jul 2019 | 145 | Disc.: LINEAR Alt.: 2019 NE4 | MPC · JPL |
| 1 | 2003 HC2 | HUN | 18.7 | 540 m | multiple | 2003–2020 | 22 Nov 2020 | 35 | Disc.: Spacewatch Added on 17 January 2021 | MPC · JPL |
| – | 2003 HE2 | MBA-I | 20.6 | 230 m | single | 6 days | 30 Apr 2003 | 11 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 HB3 | MBA-M | 18.2 | 680 m | multiple | 2003–2020 | 10 Nov 2020 | 50 | Disc.: Spacewatch Alt.: 2011 FM143, 2015 FH229 | MPC · JPL |
| 2 | 2003 HT4 | MBA-M | 18.1 | 1.3 km | multiple | 2003–2016 | 13 Mar 2016 | 45 | Disc.: Spacewatch Alt.: 2016 BP75 | MPC · JPL |
| 2 | 2003 HD5 | MBA-I | 19.1 | 450 m | multiple | 2003–2020 | 23 Jan 2020 | 42 | Disc.: Spacewatch Alt.: 2017 HE65 | MPC · JPL |
| 0 | 2003 HA7 | MBA-I | 18.93 | 490 m | multiple | 2003–2021 | 28 Oct 2021 | 83 | Disc.: Spacewatch Added on 22 July 2020 Alt.: 2013 EX116 | MPC · JPL |
| 0 | 2003 HC7 | MBA-I | 17.9 | 780 m | multiple | 2003–2021 | 17 Jan 2021 | 69 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HH7 | MBA-I | 18.51 | 590 m | multiple | 2003–2021 | 16 May 2021 | 135 | Disc.: Spacewatch | MPC · JPL |
| 5 | 2003 HW10 | APO | 27.0 | 14 m | single | 3 days | 28 Apr 2003 | 94 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HA11 | MBA-O | 16.16 | 3.3 km | multiple | 2003–2021 | 05 Sep 2021 | 195 | Disc.: Spacewatch Alt.: 2011 SE223 | MPC · JPL |
| 1 | 2003 HB11 | MBA-M | 18.21 | 680 m | multiple | 2003–2021 | 09 Oct 2021 | 47 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HN16 | APO | 22.15 | 110 m | multiple | 2003–2022 | 19 May 2022 | 85 | Disc.: LINEAR AMO at MPC | MPC · JPL |
| 0 | 2003 HV16 | MBA-M | 17.43 | 1.4 km | multiple | 2003–2021 | 30 Oct 2021 | 136 | Disc.: LONEOS Added on 22 July 2020 Alt.: 2020 JW4 | MPC · JPL |
| 0 | 2003 HZ16 | MBA-I | 17.08 | 1.1 km | multiple | 2003–2021 | 07 May 2021 | 186 | Disc.: LONEOS Alt.: 2010 KK88, 2015 VT20 | MPC · JPL |
| 0 | 2003 HU17 | MBA-M | 17.66 | 1.2 km | multiple | 2000–2021 | 27 Nov 2021 | 111 | Disc.: Spacewatch | MPC · JPL |
| 2 | 2003 HX17 | MBA-I | 18.4 | 620 m | multiple | 2003–2020 | 17 Jun 2020 | 38 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 0 | 2003 HA18 | MBA-O | 16.8 | 2.4 km | multiple | 2003–2020 | 26 Apr 2020 | 62 | Disc.: Spacewatch Added on 22 July 2020 Alt.: 2014 EK159 | MPC · JPL |
| 0 | 2003 HE18 | MBA-O | 15.9 | 3.7 km | multiple | 2000–2020 | 25 May 2020 | 153 | Disc.: Spacewatch Alt.: 2011 UC325 | MPC · JPL |
| 0 | 2003 HG18 | MBA-M | 18.30 | 650 m | multiple | 2000–2021 | 07 Nov 2021 | 53 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HN18 | MBA-I | 18.0 | 750 m | multiple | 1999–2019 | 19 Nov 2019 | 86 | Disc.: Spacewatch Alt.: 2011 OM41, 2015 RM244 | MPC · JPL |
| 0 | 2003 HO18 | MBA-I | 17.70 | 860 m | multiple | 2000–2021 | 03 May 2021 | 93 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HS18 | MBA-O | 16.2 | 3.2 km | multiple | 2003–2020 | 16 May 2020 | 107 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HW18 | MBA-I | 18.23 | 670 m | multiple | 2003–2021 | 12 Apr 2021 | 48 | Disc.: Spacewatch Alt.: 2004 VL68 | MPC · JPL |
| 0 | 2003 HA19 | MBA-I | 18.74 | 530 m | multiple | 2003–2021 | 30 Jul 2021 | 70 | Disc.: LPL/Spacewatch II Alt.: 2010 OA50, 2017 JV | MPC · JPL |
| 0 | 2003 HJ19 | MBA-M | 17.6 | 1.7 km | multiple | 2003–2021 | 14 Jan 2021 | 36 | Disc.: Spacewatch | MPC · JPL |
| 4 | 2003 HK19 | MBA-I | 19.2 | 430 m | multiple | 2003–2020 | 27 Apr 2020 | 24 | Disc.: Spacewatch Added on 19 October 2020 | MPC · JPL |
| 0 | 2003 HO22 | MBA-I | 17.2 | 1.1 km | multiple | 2003–2021 | 05 Jan 2021 | 143 | Disc.: Spacewatch Alt.: 2010 FH75 | MPC · JPL |
| 0 | 2003 HH23 | MBA-I | 18.2 | 680 m | multiple | 2003–2021 | 17 Jan 2021 | 88 | Disc.: Spacewatch Alt.: 2014 GS9 | MPC · JPL |
| 1 | 2003 HR23 | MBA-M | 18.2 | 960 m | multiple | 2003–2020 | 11 Aug 2020 | 47 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 0 | 2003 HV23 | MBA-O | 16.91 | 2.3 km | multiple | 2003–2021 | 07 Nov 2021 | 152 | Disc.: LPL/Spacewatch II Alt.: 2009 KT6, 2010 NE113, 2016 UG168 | MPC · JPL |
| 0 | 2003 HW23 | MBA-M | 17.85 | 1.1 km | multiple | 2003–2021 | 13 Sep 2021 | 82 | Disc.: Spacewatch Alt.: 2016 GF190, 2017 SW116 | MPC · JPL |
| 0 | 2003 HY23 | MBA-O | 16.8 | 2.4 km | multiple | 2003–2020 | 23 Apr 2020 | 42 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 6 | 2003 HJ24 | MBA-O | 17.3 | 1.9 km | multiple | 2003–2014 | 31 Jul 2014 | 27 | Disc.: LPL/Spacewatch II Alt.: 2014 OU269 | MPC · JPL |
| 0 | 2003 HO24 | MBA-M | 17.82 | 1.1 km | multiple | 2003–2021 | 07 Aug 2021 | 61 | Disc.: LPL/Spacewatch II Added on 22 July 2020 | MPC · JPL |
| 1 | 2003 HP24 | MBA-I | 18.4 | 620 m | multiple | 2003–2019 | 05 Nov 2019 | 35 | Disc.: LPL/Spacewatch II Added on 21 August 2021 Alt.: 2015 RB336 | MPC · JPL |
| 2 | 2003 HP25 | MBA-M | 17.9 | 780 m | multiple | 2003–2017 | 26 Sep 2017 | 46 | Disc.: Spacewatch Alt.: 2007 EQ193 | MPC · JPL |
| 0 | 2003 HV25 | JT | 14.25 | 7.9 km | multiple | 2003–2021 | 30 Nov 2021 | 134 | Disc.: Spacewatch Added on 9 March 2021 Greek camp (L4) Alt.: 2009 WW267, 2009 WX267, 2015 HA157 | MPC · JPL |
| 0 | 2003 HY25 | MBA-M | 16.8 | 2.4 km | multiple | 2003–2021 | 18 Jan 2021 | 120 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HK26 | MBA-I | 17.46 | 960 m | multiple | 1996–2021 | 14 Jun 2021 | 204 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HW27 | MBA-I | 17.75 | 840 m | multiple | 2003–2021 | 31 Oct 2021 | 187 | Disc.: Spacewatch Alt.: 2006 BR72 | MPC · JPL |
| 0 | 2003 HM29 | MBA-M | 17.50 | 1.3 km | multiple | 2000–2021 | 05 Aug 2021 | 149 | Disc.: LONEOS Alt.: 2014 WJ124 | MPC · JPL |
| 1 | 2003 HY30 | MBA-I | 18.3 | 650 m | multiple | 2003–2021 | 10 Jan 2021 | 44 | Disc.: Spacewatch Alt.: 2010 HQ128 | MPC · JPL |
| 3 | 2003 HO32 | MCA | 22.1 | 110 m | multiple | 2003–2006 | 04 May 2006 | 41 | Disc.: Spacewatch Alt.: 2006 JY5 | MPC · JPL |
| 1 | 2003 HP32 | APO | 19.6 | 430 m | multiple | 2003–2012 | 22 May 2012 | 64 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HD34 | MBA-I | 18.60 | 570 m | multiple | 2003–2021 | 11 May 2021 | 81 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HN34 | MBA-I | 18.3 | 650 m | multiple | 2003–2021 | 18 Jan 2021 | 59 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HA35 | MBA-I | 18.13 | 700 m | multiple | 2003–2021 | 08 Apr 2021 | 77 | Disc.: Spacewatch Added on 19 October 2020 | MPC · JPL |
| 0 | 2003 HR35 | MBA-M | 16.8 | 2.4 km | multiple | 2003–2021 | 17 Jan 2021 | 134 | Disc.: LONEOS | MPC · JPL |
| 1 | 2003 HM36 | MBA-M | 17.4 | 1.4 km | multiple | 2003–2020 | 25 Jan 2020 | 41 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HR36 | MBA-O | 16.6 | 2.7 km | multiple | 2003–2021 | 02 Oct 2021 | 102 | Disc.: Spacewatch Alt.: 2010 NV51, 2015 PC237 | MPC · JPL |
| 0 | 2003 HV36 | MBA-O | 17.70 | 1.6 km | multiple | 2003–2020 | 13 Sep 2020 | 69 | Disc.: Spacewatch | MPC · JPL |
| 6 | 2003 HT42 | ATE | 24.8 | 39 m | single | 12 days | 11 May 2003 | 110 | Disc.: LINEAR | MPC · JPL |
| 1 | 2003 HV42 | MCA | 17.3 | 1.5 km | multiple | 2003–2020 | 26 May 2020 | 216 | Disc.: LINEAR | MPC · JPL |
| 0 | 2003 HS44 | MBA-I | 18.2 | 680 m | multiple | 2003–2021 | 18 Jan 2021 | 53 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HZ52 | MBA-I | 17.9 | 780 m | multiple | 2003–2021 | 18 Jan 2021 | 94 | Disc.: Spacewatch Alt.: 2010 EU141, 2014 HO122 | MPC · JPL |
| 0 | 2003 HA53 | MBA-O | 16.3 | 3.9 km | multiple | 2003–2020 | 20 May 2020 | 68 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HU53 | MBA-M | 17.4 | 1.8 km | multiple | 2003–2018 | 13 Jul 2018 | 62 | Disc.: LPL/Spacewatch II Alt.: 2008 JL36 | MPC · JPL |
| 0 | 2003 HC55 | MBA-M | 16.78 | 2.5 km | multiple | 2003–2021 | 17 Apr 2021 | 139 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 3 | 2003 HL55 | MBA-M | 17.4 | 1.8 km | multiple | 2003–2021 | 17 Jan 2021 | 25 | Disc.: CINEOS | MPC · JPL |
| 0 | 2003 HV55 | MBA-O | 16.77 | 2.5 km | multiple | 2003–2021 | 11 Oct 2021 | 61 | Disc.: Spacewatch | MPC · JPL |
| 3 | 2003 HX56 | TNO | 7.1 | 158 km | multiple | 2003–2019 | 06 Jun 2019 | 23 | Disc.: Mauna Kea Obs. LoUTNOs, other TNO, BR-mag: 1.01 | MPC · JPL |
| 3 | 2003 HZ56 | TNO | 7.5 | 105 km | multiple | 2003–2013 | 14 May 2013 | 17 | Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold) | MPC · JPL |
| 2 | 2003 HA57 | TNO | 8.1 | 113 km | multiple | 2003–2019 | 07 May 2019 | 17 | Disc.: Mauna Kea Obs. LoUTNOs, plutino | MPC · JPL |
| 2 | 2003 HD57 | TNO | 7.9 | 124 km | multiple | 2003–2014 | 01 May 2014 | 23 | Disc.: Mauna Kea Obs. LoUTNOs, plutino | MPC · JPL |
| 3 | 2003 HE57 | TNO | 7.3 | 178 km | multiple | 2003–2015 | 26 Apr 2015 | 25 | Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot) | MPC · JPL |
| 3 | 2003 HF57 | TNO | 8.6 | 90 km | multiple | 2003–2017 | 29 May 2017 | 27 | Disc.: Mauna Kea Obs. LoUTNOs, plutino | MPC · JPL |
| 3 | 2003 HG57 | TNO | 6.5 | 118 km | multiple | 2003–2015 | 22 May 2015 | 26 | Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold), binary: 118 km | MPC · JPL |
| 3 | 2003 HH57 | TNO | 7.4 | 110 km | multiple | 2003–2013 | 14 May 2013 | 19 | Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold) | MPC · JPL |
| E | 2003 HJ57 | TNO | 8.3 | 103 km | single | 1 day | 27 Apr 2003 | 4 | Disc.: Mauna Kea Obs. LoUTNOs, plutino? | MPC · JPL |
| E | 2003 HK57 | TNO | 8.0 | 86 km | single | 1 day | 27 Apr 2003 | 4 | Disc.: Mauna Kea Obs. LoUTNOs, cubewano? | MPC · JPL |
| E | 2003 HL57 | TNO | 6.3 | 189 km | single | 1 day | 27 Apr 2003 | 7 | Disc.: Mauna Kea Obs. LoUTNOs, cubewano? | MPC · JPL |
| 0 | 2003 HM57 | TNO | 8.4 | 116 km | multiple | 2003–2017 | 21 Jul 2017 | 99 | Disc.: Mauna Kea Obs. LoUTNOs, centaur | MPC · JPL |
| E | 2003 HN57 | TNO | 7.5 | 109 km | single | 34 days | 30 May 2003 | 7 | Disc.: Mauna Kea Obs. LoUTNOs, cubewano? | MPC · JPL |
| 3 | 2003 HO57 | TNO | 8.0 | 83 km | multiple | 2003–2019 | 05 Apr 2019 | 15 | Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold) | MPC · JPL |
| E | 2003 HP57 | TNO | 6.4 | 218 km | single | 1 day | 27 Apr 2003 | 4 | Disc.: Mauna Kea Obs. LoUTNOs, other TNO | MPC · JPL |
| 0 | 2003 HE58 | MBA-I | 18.39 | 620 m | multiple | 2001–2021 | 11 May 2021 | 94 | Disc.: LPL/Spacewatch II Alt.: 2013 AT26 | MPC · JPL |
| 1 | 2003 HL58 | HUN | 18.9 | 490 m | multiple | 2003–2020 | 24 Dec 2020 | 47 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HT58 | MCA | 18.38 | 630 m | multiple | 2003–2020 | 21 Aug 2020 | 142 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HL59 | MBA-I | 18.3 | 650 m | multiple | 2003–2020 | 06 Dec 2020 | 98 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HM59 | MBA-O | 16.2 | 3.2 km | multiple | 2003–2020 | 11 May 2020 | 113 | Disc.: Siding Spring | MPC · JPL |
| 0 | 2003 HN59 | MBA-M | 17.6 | 900 m | multiple | 2003–2020 | 13 May 2020 | 85 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HO59 | MBA-M | 16.3 | 2.3 km | multiple | 2003–2020 | 17 Apr 2020 | 90 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HP59 | MBA-I | 17.6 | 900 m | multiple | 2003–2020 | 05 Jan 2020 | 98 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HQ59 | MBA-O | 16.07 | 3.4 km | multiple | 2003–2021 | 06 Dec 2021 | 165 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HS59 | MBA-I | 18.3 | 650 m | multiple | 2003–2019 | 10 Jul 2019 | 122 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HU59 | MBA-I | 17.7 | 860 m | multiple | 2003–2020 | 22 Jan 2020 | 94 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HW59 | MBA-I | 17.9 | 780 m | multiple | 2003–2021 | 16 Jan 2021 | 125 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HX59 | MBA-I | 18.3 | 650 m | multiple | 2003–2020 | 12 Sep 2020 | 75 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HZ59 | MBA-M | 16.64 | 2.6 km | multiple | 2003–2021 | 10 Feb 2021 | 136 | Disc.: SDSS | MPC · JPL |
| 1 | 2003 HA60 | HUN | 18.6 | 570 m | multiple | 2003–2017 | 24 Nov 2017 | 72 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HB60 | MBA-O | 17.27 | 2.0 km | multiple | 2004–2022 | 25 Jan 2022 | 88 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HD60 | HUN | 19.64 | 350 m | multiple | 2003–2021 | 26 Nov 2021 | 116 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HH60 | MBA-O | 16.7 | 2.5 km | multiple | 2003–2021 | 04 Oct 2021 | 79 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HJ60 | MBA-M | 17.2 | 2.0 km | multiple | 2003–2021 | 20 Jan 2021 | 65 | Disc.: CINEOS | MPC · JPL |
| 0 | 2003 HK60 | MBA-O | 16.17 | 3.2 km | multiple | 2003–2021 | 04 Dec 2021 | 119 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HM60 | MBA-O | 16.05 | 3.4 km | multiple | 2003–2022 | 11 Jan 2022 | 83 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HN60 | HUN | 18.55 | 580 m | multiple | 2003–2021 | 29 Jul 2021 | 73 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HO60 | MBA-O | 16.2 | 3.2 km | multiple | 2000–2020 | 22 May 2020 | 103 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HP60 | HUN | 18.7 | 540 m | multiple | 2003–2021 | 17 Jan 2021 | 59 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HQ60 | MBA-O | 16.91 | 2.3 km | multiple | 2003–2021 | 30 Nov 2021 | 102 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HU60 | MBA-I | 17.9 | 780 m | multiple | 2003–2021 | 18 Jan 2021 | 80 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HW60 | JT | 13.51 | 11 km | multiple | 2003–2022 | 25 Jan 2022 | 207 | Disc.: SDSS Greek camp (L4) | MPC · JPL |
| 0 | 2003 HY60 | MBA-M | 17.2 | 2.0 km | multiple | 2003–2019 | 19 Dec 2019 | 59 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HZ60 | MBA-I | 18.5 | 590 m | multiple | 1996–2020 | 25 Jan 2020 | 61 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HB61 | MBA-O | 16.4 | 2.9 km | multiple | 2000–2020 | 24 Mar 2020 | 66 | Disc.: Spacewatch | MPC · JPL |
| 2 | 2003 HD61 | MBA-M | 18.70 | 540 m | multiple | 2003–2020 | 17 Aug 2020 | 53 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HF61 | MCA | 18.1 | 710 m | multiple | 2003–2020 | 15 Dec 2020 | 55 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HH61 | MBA-I | 18.0 | 750 m | multiple | 2003–2020 | 11 Dec 2020 | 74 | Disc.: Spacewatch Alt.: 2010 FG114 | MPC · JPL |
| 0 | 2003 HK61 | MBA-M | 17.4 | 1.4 km | multiple | 1995–2017 | 29 Sep 2017 | 49 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HL61 | MBA-M | 17.2 | 2.0 km | multiple | 2003–2021 | 23 Jan 2021 | 57 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HO61 | MBA-O | 17.2 | 2.0 km | multiple | 2003–2019 | 28 Feb 2019 | 48 | Disc.: Mauna Kea Obs. | MPC · JPL |
| 0 | 2003 HR61 | MBA-O | 16.5 | 2.8 km | multiple | 2003–2020 | 24 Mar 2020 | 68 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HS61 | MBA-M | 17.3 | 1.9 km | multiple | 2003–2021 | 17 Jan 2021 | 46 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HT61 | MBA-I | 18.57 | 570 m | multiple | 2003–2021 | 08 May 2021 | 71 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HU61 | MBA-M | 17.03 | 1.7 km | multiple | 2003–2021 | 07 Aug 2021 | 64 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HV61 | MBA-I | 18.32 | 640 m | multiple | 2010–2021 | 15 May 2021 | 78 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HZ61 | MBA-M | 17.1 | 1.6 km | multiple | 2003–2020 | 21 Apr 2020 | 53 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HA62 | HUN | 18.36 | 630 m | multiple | 2003–2021 | 13 Apr 2021 | 94 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HB62 | MBA-M | 17.2 | 2.0 km | multiple | 2003–2021 | 16 Jan 2021 | 66 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 HC62 | MBA-M | 17.69 | 1.6 km | multiple | 2003–2021 | 03 Apr 2021 | 51 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HD62 | MBA-I | 17.9 | 780 m | multiple | 2003–2018 | 14 Jun 2018 | 32 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HE62 | MBA-I | 18.5 | 590 m | multiple | 2003–2020 | 27 Jun 2020 | 42 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HF62 | MBA-M | 17.34 | 1.0 km | multiple | 2003–2021 | 05 Dec 2021 | 61 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HG62 | MBA-M | 17.79 | 1.2 km | multiple | 2003–2021 | 25 Nov 2021 | 100 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HH62 | MBA-I | 18.6 | 570 m | multiple | 2003–2017 | 20 Apr 2017 | 36 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HJ62 | MBA-M | 17.80 | 1.2 km | multiple | 2003–2021 | 03 Dec 2021 | 75 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HK62 | MBA-M | 17.98 | 1.4 km | multiple | 2003–2021 | 11 Jul 2021 | 79 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HL62 | MBA-I | 18.90 | 490 m | multiple | 2003–2021 | 30 Jul 2021 | 48 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HM62 | MBA-I | 17.7 | 860 m | multiple | 2003–2021 | 04 Jan 2021 | 46 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HN62 | MBA-I | 19.0 | 470 m | multiple | 2003–2020 | 14 Sep 2020 | 40 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HO62 | MBA-I | 18.3 | 650 m | multiple | 2003–2018 | 18 Mar 2018 | 81 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HP62 | MBA-O | 16.8 | 2.4 km | multiple | 2003–2020 | 14 Jun 2020 | 45 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HQ62 | MBA-M | 17.5 | 1.3 km | multiple | 2003–2020 | 25 May 2020 | 53 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HR62 | MBA-M | 17.73 | 1.2 km | multiple | 2003–2021 | 10 Aug 2021 | 61 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 HS62 | HUN | 18.8 | 520 m | multiple | 2003–2019 | 08 Jan 2019 | 24 | Disc.: SDSS | MPC · JPL |
| 1 | 2003 HT62 | MBA-I | 18.6 | 570 m | multiple | 2003–2021 | 18 Jan 2021 | 32 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 HU62 | MBA-M | 17.8 | 1.2 km | multiple | 2003–2020 | 16 Aug 2020 | 87 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HW62 | MBA-I | 17.8 | 820 m | multiple | 2003–2020 | 14 Dec 2020 | 141 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HY62 | MBA-M | 17.1 | 2.1 km | multiple | 2003–2021 | 24 Jan 2021 | 75 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HA63 | MBA-O | 16.7 | 2.5 km | multiple | 2003–2019 | 05 Jun 2019 | 69 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HB63 | MBA-I | 17.2 | 1.1 km | multiple | 2003–2021 | 17 Jan 2021 | 85 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HC63 | MBA-O | 16.1 | 3.4 km | multiple | 2003–2020 | 17 Jun 2020 | 94 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HD63 | MBA-I | 18.42 | 620 m | multiple | 2003–2022 | 27 Jan 2022 | 95 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HG63 | MBA-M | 18.0 | 750 m | multiple | 2003–2020 | 17 Oct 2020 | 75 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HH63 | MBA-O | 16.62 | 2.6 km | multiple | 1995–2021 | 30 Nov 2021 | 145 | Disc.: Spacewatch Alt.: 1995 UB79, 2010 MF101 | MPC · JPL |
| 0 | 2003 HJ63 | MBA-O | 16.5 | 2.8 km | multiple | 2002–2020 | 29 May 2020 | 130 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HK63 | MBA-I | 17.6 | 900 m | multiple | 2003–2021 | 08 Jan 2021 | 66 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HL63 | MBA-I | 18.35 | 640 m | multiple | 2003–2021 | 08 Apr 2021 | 67 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HM63 | MBA-O | 17.46 | 1.8 km | multiple | 2003–2019 | 24 Aug 2019 | 55 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HN63 | MBA-I | 18.3 | 650 m | multiple | 2003–2019 | 26 Nov 2019 | 55 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HP63 | MBA-O | 16.6 | 2.7 km | multiple | 2003–2020 | 28 Apr 2020 | 56 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HR63 | MBA-I | 18.13 | 700 m | multiple | 2003–2022 | 27 Jan 2022 | 53 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HS63 | MBA-O | 17.0 | 2.2 km | multiple | 2003–2020 | 21 Oct 2020 | 81 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HV63 | MBA-I | 17.9 | 780 m | multiple | 2003–2021 | 09 Jan 2021 | 76 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HW63 | MBA-I | 18.5 | 590 m | multiple | 2003–2019 | 27 Oct 2019 | 41 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HX63 | MBA-O | 17.0 | 2.2 km | multiple | 2003–2020 | 14 Dec 2020 | 47 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HY63 | MBA-O | 17.8 | 1.5 km | multiple | 2003–2019 | 31 May 2019 | 40 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 HA64 | MCA | 18.7 | 540 m | multiple | 2003–2019 | 01 Sep 2019 | 51 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HB64 | MBA-O | 16.7 | 2.5 km | multiple | 2003–2020 | 24 Jun 2020 | 70 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HC64 | HIL | 16.19 | 3.2 km | multiple | 2003–2021 | 11 Sep 2021 | 66 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 HD64 | MBA-I | 17.9 | 780 m | multiple | 2003–2020 | 06 Dec 2020 | 46 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HE64 | MBA-I | 18.6 | 570 m | multiple | 2003–2020 | 08 Aug 2020 | 44 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HF64 | MBA-O | 17.0 | 2.2 km | multiple | 2003–2019 | 09 Feb 2019 | 34 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HG64 | MBA-I | 18.7 | 540 m | multiple | 2003–2018 | 12 Aug 2018 | 29 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HH64 | HUN | 19.29 | 410 m | multiple | 2003–2021 | 15 Apr 2021 | 25 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HK64 | MBA-I | 17.8 | 820 m | multiple | 2003–2019 | 25 Sep 2019 | 72 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HM64 | MBA-M | 17.1 | 2.1 km | multiple | 2003–2019 | 28 Dec 2019 | 75 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 HN64 | MBA-O | 15.7 | 4.0 km | multiple | 2003–2020 | 26 Jun 2020 | 96 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HO64 | MBA-O | 15.9 | 3.7 km | multiple | 2003–2020 | 12 Sep 2020 | 89 | Disc.: SDSS Alt.: 2010 PX70 | MPC · JPL |
| 0 | 2003 HP64 | MBA-M | 17.7 | 1.6 km | multiple | 2003–2021 | 16 Jan 2021 | 47 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HU64 | MBA-I | 19.25 | 420 m | multiple | 2003–2021 | 09 Jul 2021 | 43 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HV64 | MBA-O | 16.83 | 2.4 km | multiple | 2003–2021 | 13 Sep 2021 | 42 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HX64 | MBA-I | 18.1 | 710 m | multiple | 2003–2019 | 25 Sep 2019 | 48 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HY64 | MBA-I | 17.83 | 810 m | multiple | 2003–2021 | 17 Apr 2021 | 78 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HA65 | MBA-I | 17.9 | 780 m | multiple | 2003–2019 | 28 Aug 2019 | 43 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 2 | 2003 HB65 | MBA-I | 18.6 | 570 m | multiple | 2003–2019 | 23 Oct 2019 | 40 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HC65 | MBA-I | 18.2 | 680 m | multiple | 2003–2020 | 14 Dec 2020 | 52 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HE65 | MBA-M | 17.6 | 900 m | multiple | 2003–2020 | 20 Jul 2020 | 43 | Disc.: Spacewatch | MPC · JPL |
| 3 | 2003 HF65 | MBA-M | 18.2 | 1.3 km | multiple | 2003–2017 | 31 May 2017 | 17 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 HG65 | MBA-M | 17.3 | 1.9 km | multiple | 2003–2021 | 18 Jan 2021 | 59 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HH65 | MBA-M | 17.22 | 2.0 km | multiple | 1995–2021 | 03 May 2021 | 86 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 HJ65 | MBA-M | 18.3 | 650 m | multiple | 2003–2020 | 07 Oct 2020 | 113 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HK65 | MBA-I | 18.39 | 620 m | multiple | 2003–2022 | 25 Jan 2022 | 40 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HL65 | MBA-I | 18.4 | 620 m | multiple | 2003–2021 | 22 Jan 2021 | 35 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HM65 | MBA-I | 18.71 | 540 m | multiple | 2003–2021 | 04 Oct 2021 | 70 | Disc.: Spacewatch | MPC · JPL |
| 2 | 2003 HN65 | MBA-O | 17.3 | 1.9 km | multiple | 2003–2020 | 15 Oct 2020 | 45 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 HO65 | MBA-I | 17.93 | 770 m | multiple | 2003–2022 | 26 Jan 2022 | 38 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 0 | 2003 HR65 | MBA-M | 18.5 | 840 m | multiple | 2003–2020 | 28 Apr 2020 | 44 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 0 | 2003 HT65 | MBA-I | 18.41 | 620 m | multiple | 2003–2021 | 13 Oct 2021 | 71 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 1 | 2003 HU65 | MBA-I | 19.03 | 460 m | multiple | 2003–2021 | 06 Oct 2021 | 42 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 0 | 2003 HW65 | MBA-M | 17.5 | 1.8 km | multiple | 2003–2021 | 11 Jan 2021 | 55 | Disc.: Spacewatch Added on 13 September 2020 | MPC · JPL |
| 0 | 2003 HX65 | MBA-I | 18.6 | 570 m | multiple | 2003–2020 | 22 Aug 2020 | 49 | Disc.: Spacewatch Added on 19 October 2020 | MPC · JPL |
| 0 | 2003 HY65 | MBA-O | 17.3 | 1.9 km | multiple | 2003–2020 | 13 May 2020 | 41 | Disc.: MLS Added on 19 October 2020 | MPC · JPL |
| 0 | 2003 HZ65 | MBA-M | 17.15 | 2.1 km | multiple | 2003–2021 | 18 Apr 2021 | 113 | Disc.: Spacewatch Added on 9 March 2021 | MPC · JPL |
| 0 | 2003 HA66 | HUN | 19.62 | 350 m | multiple | 2003–2021 | 03 Dec 2021 | 32 | Disc.: SDSS Added on 9 March 2021 | MPC · JPL |
| 2 | 2003 HC66 | MBA-M | 19.02 | 870 m | multiple | 2003–2021 | 12 Jun 2021 | 34 | Disc.: Spacewatch Added on 17 June 2021 | MPC · JPL |
| 0 | 2003 HD66 | MBA-I | 18.8 | 520 m | multiple | 2003–2019 | 25 Jul 2019 | 43 | Disc.: Spacewatch Added on 21 August 2021 | MPC · JPL |
| 2 | 2003 HE66 | MBA-O | 17.7 | 1.6 km | multiple | 2003–2014 | 24 Jun 2014 | 15 | Disc.: SDSS Added on 24 December 2021 | MPC · JPL |

## J

| 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 |
| 0 | 2003 JH | MBA-I | 18.2 | 680 m | multiple | 2003–2020 | 21 Feb 2020 | 61 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 JR | MBA-I | 18.0 | 750 m | multiple | 1999–2019 | 29 Oct 2019 | 94 | Disc.: SDSS Alt.: 1999 FX75, 2015 RK136 | MPC · JPL |
| 0 | 2003 JA1 | MBA-M | 16.45 | 1.5 km | multiple | 2001–2021 | 31 Oct 2021 | 201 | Disc.: Spacewatch Alt.: 2014 YQ36 | MPC · JPL |
| 0 | 2003 JB2 | MBA-M | 18.11 | 1.0 km | multiple | 2003–2021 | 04 Aug 2021 | 36 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 8 | 2003 JX2 | APO | 26.4 | 19 m | single | 2 days | 03 May 2003 | 31 | Disc.: LINEAR | MPC · JPL |
| 8 | 2003 JY2 | APO | 24.6 | 43 m | single | 4 days | 06 May 2003 | 35 | Disc.: LINEAR | MPC · JPL |
| 3 | 2003 JB4 | MBA-M | 17.88 | 790 m | multiple | 2003–2021 | 30 Oct 2021 | 39 | Disc.: KLENOT | MPC · JPL |
| 0 | 2003 JE4 | MCA | 18.43 | 610 m | multiple | 2003–2021 | 11 Oct 2021 | 134 | Disc.: Spacewatch | MPC · JPL |
| 7 | 2003 JG4 | AMO | 22.9 | 93 m | single | 29 days | 01 Jun 2003 | 36 | Disc.: Spacewatch | MPC · JPL |
| D | 2003 JA11 | MBA-M | 17.6 | 900 m | single | 5 days | 05 May 2003 | 15 | Disc.: LPL/Spacewatch II Alt.: 2003 JX17 | MPC · JPL |
| 6 | 2003 JD11 | APO | 24.3 | 49 m | single | 6 days | 11 May 2003 | 97 | Disc.: LINEAR | MPC · JPL |
| 0 | 2003 JD13 | AMO | 20.00 | 360 m | multiple | 2003–2021 | 01 Nov 2021 | 161 | Disc.: LINEAR | MPC · JPL |
| 3 | 2003 JF13 | MCA | 19.9 | 310 m | multiple | 2003–2007 | 26 Apr 2007 | 42 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JN14 | APO | 19.62 | 420 m | multiple | 2003–2021 | 17 Jan 2021 | 135 | Disc.: LINEAR | MPC · JPL |
| 7 | 2003 JO14 | APO | 25.2 | 32 m | single | 2 days | 11 May 2003 | 41 | Disc.: LINEAR | MPC · JPL |
| 6 | 2003 JP14 | APO | 22.3 | 120 m | single | 30 days | 08 Jun 2003 | 51 | Disc.: LINEAR | MPC · JPL |
| 1 | 2003 JV14 | APO | 21.41 | 180 m | multiple | 2003-2023 | 15 Oct 2023 | 92 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 JP15 | MBA-I | 18.8 | 520 m | multiple | 2003–2020 | 22 Oct 2020 | 48 | Disc.: LPL/Spacewatch II Added on 17 January 2021 Alt.: 2007 UH74 | MPC · JPL |
| 0 | 2003 JH16 | MBA-I | 18.40 | 620 m | multiple | 2003–2021 | 14 Sep 2021 | 71 | Disc.: LPL/Spacewatch II Alt.: 2016 AM6 | MPC · JPL |
| 3 | 2003 JA17 | MCA | 17.94 | 940 m | multiple | 2003-2024 | 29 Sep 2024 | 62 | Disc.: LINEAR Alt.: 2024 RO16 | MPC · JPL |
| 0 | 2003 JC17 | APO | 17.88 | 940 m | multiple | 2003–2021 | 11 Jul 2021 | 122 | Disc.: LINEAR NEO larger than 1 kilometer | MPC · JPL |
| 4 | 2003 JD17 | AMO | 21.1 | 210 m | single | 109 days | 29 Aug 2003 | 40 | Disc.: LINEAR | MPC · JPL |
| 0 | 2003 JN18 | MBA-O | 16.5 | 2.8 km | multiple | 2003–2020 | 25 May 2020 | 54 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JQ18 | MBA-I | 17.5 | 940 m | multiple | 2003–2021 | 15 Jan 2021 | 106 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JX18 | MBA-M | 17.15 | 1.6 km | multiple | 2003–2021 | 18 Jun 2021 | 129 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JA19 | MBA-I | 17.67 | 870 m | multiple | 2003–2021 | 19 Apr 2021 | 177 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JB19 | MBA-M | 16.84 | 2.4 km | multiple | 2003–2021 | 13 Apr 2021 | 107 | Disc.: Spacewatch Alt.: 2017 PG25 | MPC · JPL |
| 0 | 2003 JF19 | MBA-O | 15.7 | 4.0 km | multiple | 2003–2020 | 17 Jun 2020 | 118 | Disc.: Spacewatch | MPC · JPL |
| 2 | 2003 JH19 | MBA-M | 17.9 | 780 m | multiple | 2003–2019 | 10 May 2019 | 51 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JJ19 | MBA-I | 17.3 | 1.0 km | multiple | 2003–2020 | 23 Dec 2020 | 87 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JK19 | MBA-I | 17.1 | 1.1 km | multiple | 2003–2019 | 29 Oct 2019 | 70 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JO19 | MBA-M | 17.47 | 1.8 km | multiple | 2007–2021 | 08 Apr 2021 | 73 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JP19 | MBA-I | 18.57 | 570 m | multiple | 2003–2021 | 11 Jun 2021 | 62 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JQ19 | MBA-I | 18.74 | 530 m | multiple | 2003–2021 | 14 May 2021 | 66 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JR19 | HUN | 18.9 | 490 m | multiple | 2003–2021 | 13 Jan 2021 | 59 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JS19 | MBA-I | 18.2 | 680 m | multiple | 2003–2019 | 08 Oct 2019 | 52 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JT19 | MBA-I | 17.2 | 1.1 km | multiple | 2003–2018 | 10 Apr 2018 | 39 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JU19 | MBA-M | 17.2 | 2.0 km | multiple | 2003–2021 | 15 Jan 2021 | 44 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JX19 | MBA-M | 17.49 | 1.8 km | multiple | 2003–2021 | 29 Apr 2021 | 121 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 JY19 | MBA-I | 17.9 | 780 m | multiple | 2003–2019 | 27 Nov 2019 | 60 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 JA20 | MBA-I | 18.0 | 750 m | multiple | 2003–2021 | 18 Jan 2021 | 62 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JB20 | MBA-M | 17.3 | 1.9 km | multiple | 2003–2020 | 23 Dec 2020 | 56 | Disc.: Spacewatch | MPC · JPL |
| 2 | 2003 JC20 | MBA-M | 18.1 | 710 m | multiple | 2003–2020 | 13 Sep 2020 | 55 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 JD20 | MBA-M | 17.1 | 2.1 km | multiple | 2003–2021 | 09 Jan 2021 | 59 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 JE20 | MBA-I | 18.5 | 590 m | multiple | 2003–2019 | 07 Oct 2019 | 50 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JF20 | MBA-I | 18.7 | 540 m | multiple | 2003–2020 | 11 Sep 2020 | 92 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 JG20 | MBA-O | 16.5 | 2.8 km | multiple | 2003–2020 | 25 May 2020 | 84 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 JH20 | MBA-I | 18.3 | 650 m | multiple | 2003–2020 | 09 Dec 2020 | 43 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JJ20 | MBA-M | 17.3 | 1.9 km | multiple | 2003–2018 | 04 Oct 2018 | 31 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JL20 | MBA-I | 18.07 | 720 m | multiple | 2003–2022 | 27 Jan 2022 | 35 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JM20 | MBA-O | 17.23 | 2.0 km | multiple | 2003–2021 | 26 Nov 2021 | 50 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 JO20 | MBA-M | 18.0 | 750 m | multiple | 2003–2020 | 15 Oct 2020 | 81 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 1 | 2003 JP20 | MBA-M | 18.2 | 680 m | multiple | 2003–2020 | 15 Oct 2020 | 49 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 JQ20 | MBA-M | 18.22 | 950 m | multiple | 2003–2021 | 01 Nov 2021 | 29 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 JR20 | MBA-I | 18.0 | 750 m | multiple | 2003–2019 | 31 Oct 2019 | 75 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JS20 | MBA-O | 16.50 | 2.8 km | multiple | 2013–2021 | 09 Sep 2021 | 143 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 JT20 | HUN | 18.99 | 470 m | multiple | 2003–2021 | 08 Sep 2021 | 69 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 JU20 | MBA-O | 16.3 | 3.1 km | multiple | 2003–2019 | 04 Jan 2019 | 37 | Disc.: Spacewatch Alt.: 2010 JP182 | MPC · JPL |
| 1 | 2003 JV20 | MBA-I | 18.1 | 710 m | multiple | 2003–2019 | 25 Nov 2019 | 40 | Disc.: LPL/Spacewatch II Alt.: 2015 OM47 | MPC · JPL |
| 0 | 2003 JW20 | MBA-I | 18.0 | 750 m | multiple | 2003–2021 | 07 Jun 2021 | 136 | Disc.: Spacewatch Added on 22 July 2020 Alt.: 2010 LG51 | MPC · JPL |
| 0 | 2003 JX20 | MBA-I | 18.4 | 620 m | multiple | 2003–2020 | 26 May 2020 | 77 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 0 | 2003 JY20 | MBA-M | 18.1 | 1.0 km | multiple | 2003–2020 | 26 Apr 2020 | 48 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 0 | 2003 JA21 | MBA-M | 18.2 | 960 m | multiple | 2003–2020 | 24 Jun 2020 | 62 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 1 | 2003 JC21 | MBA-I | 17.2 | 1.1 km | multiple | 2003–2021 | 16 Jan 2021 | 75 | Disc.: LPL/Spacewatch II Added on 17 January 2021 | MPC · JPL |
| 0 | 2003 JD21 | MBA-I | 18.6 | 570 m | multiple | 2000–2021 | 14 May 2021 | 66 | Disc.: Spacewatch Added on 11 May 2021 Alt.: 2017 DS18 | MPC · JPL |
| 0 | 2003 JE21 | MBA-I | 19.00 | 470 m | multiple | 2003–2021 | 01 May 2021 | 44 | Disc.: Spacewatch Added on 11 May 2021 | MPC · JPL |
| 0 | 2003 JG21 | MBA-I | 18.7 | 540 m | multiple | 2003–2021 | 12 Jun 2021 | 93 | Disc.: LPL/Spacewatch II Added on 17 June 2021 | MPC · JPL |
| 1 | 2003 JH21 | MBA-I | 18.4 | 620 m | multiple | 2003–2018 | 11 Apr 2018 | 24 | Disc.: Spacewatch Added on 21 August 2021 | MPC · JPL |

## K

| 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 |
| 0 | 2003 KM | MBA-O | 16.60 | 2.7 km | multiple | 2000–2021 | 06 Aug 2021 | 139 | Disc.: Table Mountain Obs. Alt.: 2019 AE24 | MPC · JPL |
| 0 | 2003 KO | MBA-M | 16.70 | 1.9 km | multiple | 2003–2022 | 21 Jan 2022 | 223 | Disc.: Table Mountain Obs. Alt.: 2011 HZ23 | MPC · JPL |
| 1 | 2003 KB1 | MBA-M | 17.8 | 1.5 km | multiple | 2003–2021 | 12 Jun 2021 | 74 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 KK1 | MBA-O | 16.9 | 2.3 km | multiple | 2003–2021 | 18 Jan 2021 | 53 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| – | 2003 KT2 | MBA-M | 18.9 | 920 m | single | 3 days | 25 May 2003 | 16 | Disc.: VATT | MPC · JPL |
| 0 | 2003 KB3 | MBA-M | 17.68 | 1.6 km | multiple | 2003–2021 | 16 Apr 2021 | 40 | Disc.: Spacewatch Added on 19 October 2020 | MPC · JPL |
| 0 | 2003 KG3 | MBA-O | 16.46 | 2.8 km | multiple | 2003–2021 | 30 Nov 2021 | 190 | Disc.: LPL/Spacewatch II Alt.: 2010 NB61, 2016 WT29 | MPC · JPL |
| – | 2003 KH3 | MBA-I | 19.6 | 360 m | single | 3 days | 26 May 2003 | 9 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 KJ3 | HUN | 18.59 | 570 m | multiple | 2003–2021 | 31 Aug 2021 | 71 | Disc.: Spacewatch | MPC · JPL |
| 5 | 2003 KF4 | APO | 23.3 | 78 m | single | 15 days | 08 Jun 2003 | 107 | Disc.: Desert Eagle Obs. AMO at MPC | MPC · JPL |
| 0 | 2003 KV4 | MBA-I | 17.8 | 820 m | multiple | 2003–2020 | 12 Dec 2020 | 141 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KP5 | MBA-M | 17.87 | 1.1 km | multiple | 1991–2021 | 02 Dec 2021 | 85 | Disc.: Spacewatch Alt.: 2020 JR6 | MPC · JPL |
| 3 | 2003 KT5 | MBA-M | 18.8 | 730 m | multiple | 2003–2020 | 27 Apr 2020 | 26 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 1 | 2003 KW5 | MBA-M | 19.09 | 450 m | multiple | 2003–2020 | 20 Oct 2020 | 45 | Disc.: Spacewatch Added on 19 October 2020 | MPC · JPL |
| 1 | 2003 KY5 | MBA-I | 18.4 | 620 m | multiple | 2003–2019 | 03 Oct 2019 | 42 | Disc.: Spacewatch Alt.: 2018 FB10 | MPC · JPL |
| 0 | 2003 KN6 | MBA-I | 18.3 | 650 m | multiple | 2003–2019 | 27 Sep 2019 | 38 | Disc.: Spacewatch Alt.: 2014 FD57 | MPC · JPL |
| 0 | 2003 KP6 | MBA-I | 18.11 | 710 m | multiple | 1999–2021 | 13 Apr 2021 | 101 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 KU6 | MBA-I | 18.3 | 650 m | multiple | 2003–2021 | 11 Jun 2021 | 69 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KB7 | MBA-M | 17.1 | 2.1 km | multiple | 2003–2021 | 14 Apr 2021 | 45 | Disc.: Spacewatch Added on 11 May 2021 Alt.: 2012 GL26 | MPC · JPL |
| 2 | 2003 KY7 | MBA-M | 18.89 | 700 m | multiple | 2003–2021 | 11 Oct 2021 | 30 | Disc.: Spacewatch Added on 5 November 2021 Alt.: 2021 QF45 | MPC · JPL |
| 0 | 2003 KZ7 | MBA-M | 16.61 | 2.7 km | multiple | 1998–2021 | 11 May 2021 | 106 | Disc.: Spacewatch Alt.: 2012 HB82 | MPC · JPL |
| 0 | 2003 KC8 | MBA-M | 17.2 | 1.1 km | multiple | 2003–2018 | 15 Jan 2018 | 48 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KJ8 | MBA-M | 18.20 | 960 m | multiple | 2003–2021 | 31 Oct 2021 | 52 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KM10 | MBA-I | 19.04 | 460 m | multiple | 2003–2022 | 09 Jan 2022 | 44 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KO10 | MBA-O | 16.87 | 2.4 km | multiple | 2003–2021 | 02 Oct 2021 | 88 | Disc.: LPL/Spacewatch II Alt.: 2006 WD127 | MPC · JPL |
| 0 | 2003 KV10 | MBA-I | 18.0 | 750 m | multiple | 2003–2020 | 10 Dec 2020 | 47 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KP11 | MBA-O | 16.71 | 2.5 km | multiple | 2003–2021 | 03 Oct 2021 | 76 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 KT11 | MBA-M | 17.8 | 1.5 km | multiple | 2003–2021 | 07 Jun 2021 | 82 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 KW11 | MBA-O | 15.7 | 4.0 km | multiple | 2002–2021 | 23 Oct 2021 | 156 | Disc.: Spacewatch Alt.: 2010 MG45, 2014 EE37 | MPC · JPL |
| 0 | 2003 KP14 | MBA-I | 18.0 | 750 m | multiple | 2000–2020 | 08 Nov 2020 | 111 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KS14 | MBA-O | 16.84 | 2.4 km | multiple | 2003–2021 | 01 Nov 2021 | 98 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KT14 | MBA-O | 16.16 | 3.3 km | multiple | 2003–2021 | 30 Aug 2021 | 103 | Disc.: Spacewatch Added on 22 July 2020 Alt.: 2010 MQ43 | MPC · JPL |
| 1 | 2003 KW16 | AMO | 20.1 | 340 m | multiple | 2003–2020 | 15 Dec 2020 | 168 | Disc.: LINEAR | MPC · JPL |
| 0 | 2003 KZ16 | MBA-O | 15.77 | 3.9 km | multiple | 2002–2021 | 08 Nov 2021 | 147 | Disc.: LINEAR Added on 21 August 2021 Alt.: 2013 BA71 | MPC · JPL |
| 2 | 2003 KQ18 | AMO | 20.9 | 230 m | multiple | 2003–2010 | 12 Jun 2010 | 108 | Disc.: LINEAR | MPC · JPL |
| 0 | 2003 KT18 | MBA-M | 16.72 | 1.9 km | multiple | 2002–2021 | 31 Oct 2021 | 172 | Disc.: Reedy Creek Obs. | MPC · JPL |
| 0 | 2003 KK20 | MBA-M | 17.33 | 1.9 km | multiple | 2003–2020 | 02 Feb 2020 | 49 | Disc.: Spacewatch Alt.: 2019 YJ12 | MPC · JPL |
| 0 | 2003 KM20 | MBA-O | 17.04 | 2.2 km | multiple | 2003–2022 | 07 Jan 2022 | 94 | Disc.: Mauna Kea Obs. Added on 22 July 2020 Alt.: 2015 MZ63 | MPC · JPL |
| 3 | 2003 KO20 | TNO | 6.6 | 159 km | multiple | 2003–2016 | 29 May 2016 | 12 | Disc.: Cerro Tololo LoUTNOs, cubewano (cold) | MPC · JPL |
| E | 2003 KP20 | TNO | 7.2 | 125 km | single | 39 days | 08 Jul 2003 | 5 | Disc.: Cerro Tololo LoUTNOs, cubewano? | MPC · JPL |
| E | 2003 KQ20 | CEN | 13.1 | 13 km | single | 1 day | 31 May 2003 | 3 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KS20 | MBA-O | 16.70 | 2.5 km | multiple | 2003–2021 | 28 Nov 2021 | 80 | Disc.: Cerro Tololo Alt.: 2010 MX30 | MPC · JPL |
| 0 | 2003 KW21 | MBA-O | 16.97 | 2.2 km | multiple | 2003–2020 | 16 Mar 2020 | 47 | Disc.: Cerro Tololo Alt.: 2015 MO42 | MPC · JPL |
| 0 | 2003 KT22 | MBA-I | 18.49 | 600 m | multiple | 2003–2021 | 28 Jul 2021 | 67 | Disc.: Cerro Tololo Added on 17 June 2021 | MPC · JPL |
| 0 | 2003 KZ22 | MBA-I | 18.8 | 520 m | multiple | 2003–2020 | 21 Oct 2020 | 205 | Disc.: Cerro Tololo Alt.: 2014 WE487 | MPC · JPL |
| 0 | 2003 KB24 | MBA-I | 18.9 | 490 m | multiple | 2003–2021 | 13 Apr 2021 | 38 | Disc.: Cerro Tololo Added on 17 June 2021 Alt.: 2021 EL20 | MPC · JPL |
| 0 | 2003 KG24 | MBA-I | 18.9 | 490 m | multiple | 2003–2020 | 16 Dec 2020 | 26 | Disc.: Cerro Tololo Added on 9 March 2021 Alt.: 2019 JC20 | MPC · JPL |
| 0 | 2003 KM24 | MBA-M | 17.69 | 1.6 km | multiple | 2003–2021 | 17 Apr 2021 | 49 | Disc.: Cerro Tololo Added on 11 May 2021 | MPC · JPL |
| 1 | 2003 KB25 | MBA-O | 17.39 | 1.9 km | multiple | 2003–2021 | 14 Jul 2021 | 43 | Disc.: Cerro Tololo Added on 21 August 2021 Alt.: 2015 KM73 | MPC · JPL |
| 0 | 2003 KM25 | MBA-O | 17.3 | 1.9 km | multiple | 2003–2020 | 21 Nov 2020 | 68 | Disc.: Cerro Tololo Added on 22 July 2020 Alt.: 2015 XT299 | MPC · JPL |
| 3 | 2003 KS25 | MBA-O | 17.5 | 1.8 km | multiple | 2003–2020 | 23 Oct 2020 | 13 | Disc.: Cerro Tololo Added on 30 September 2021 | MPC · JPL |
| 1 | 2003 KV25 | MBA-O | 17.80 | 1.5 km | multiple | 2003–2022 | 27 Jan 2022 | 47 | Disc.: Cerro Tololo Added on 17 January 2021 Alt.: 2017 BM161 | MPC · JPL |
| 2 | 2003 KY25 | MBA-I | 19.2 | 430 m | multiple | 2003–2021 | 28 Sep 2021 | 24 | Disc.: Cerro Tololo Added on 24 December 2021 | MPC · JPL |
| 3 | 2003 KG26 | MBA-M | 18.1 | 1.3 km | multiple | 2003–2020 | 25 May 2020 | 30 | Disc.: Cerro Tololo Added on 17 January 2021 Alt.: 2004 VU100 | MPC · JPL |
| 0 | 2003 KN26 | MBA-I | 18.4 | 620 m | multiple | 2003–2020 | 16 Mar 2020 | 49 | Disc.: Cerro Tololo Alt.: 2011 UK232 | MPC · JPL |
| 0 | 2003 KB27 | MBA-M | 18.31 | 920 m | multiple | 2003–2021 | 30 Sep 2021 | 25 | Disc.: Cerro Tololo Alt.: 2015 FZ196 | MPC · JPL |
| 2 | 2003 KC27 | MBA-M | 18.0 | 750 m | multiple | 2003–2021 | 10 Jan 2021 | 57 | Disc.: Cerro Tololo Added on 24 August 2020 | MPC · JPL |
| 0 | 2003 KG27 | MBA-O | 17.24 | 2.0 km | multiple | 2003–2021 | 26 Nov 2021 | 37 | Disc.: Cerro Tololo Added on 5 November 2021 Alt.: 2019 KJ49 | MPC · JPL |
| 0 | 2003 KO27 | MBA-I | 18.42 | 620 m | multiple | 2003–2021 | 09 May 2021 | 80 | Disc.: Cerro Tololo Alt.: 2014 LK, 2015 VN8 | MPC · JPL |
| 1 | 2003 KP27 | MBA-M | 18.55 | 820 m | multiple | 2003–2021 | 24 Oct 2021 | 71 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KS27 | MBA-I | 18.57 | 570 m | multiple | 2000–2021 | 07 Apr 2021 | 42 | Disc.: Cerro Tololo Alt.: 2011 RA2, 2015 XV272 | MPC · JPL |
| 0 | 2003 KK30 | MBA-I | 17.7 | 860 m | multiple | 2003–2021 | 18 Jan 2021 | 77 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KQ31 | MBA-I | 18.3 | 650 m | multiple | 2003–2020 | 18 Aug 2020 | 66 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 0 | 2003 KU31 | MBA-M | 16.9 | 2.3 km | multiple | 2003–2020 | 21 Feb 2020 | 54 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KV31 | MBA-M | 17.1 | 2.1 km | multiple | 2002–2021 | 10 May 2021 | 54 | Disc.: Spacewatch Added on 30 September 2021 | MPC · JPL |
| 2 | 2003 KY32 | MCA | 18.8 | 520 m | multiple | 2003–2019 | 25 Aug 2019 | 22 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KD33 | MBA-M | 17.31 | 1.9 km | multiple | 2003–2021 | 17 Apr 2021 | 60 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KP34 | MBA-M | 16.9 | 2.3 km | multiple | 2003–2021 | 11 Jun 2021 | 155 | Disc.: LPL/Spacewatch II Alt.: 2010 BA148, 2011 BX52, 2011 CC63 | MPC · JPL |
| 0 | 2003 KJ37 | HUN | 18.7 | 540 m | multiple | 2003–2021 | 16 Jan 2021 | 85 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 KO37 | MBA-M | 16.93 | 2.3 km | multiple | 2003–2021 | 10 Apr 2021 | 92 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 KP37 | MBA-O | 16.8 | 2.4 km | multiple | 2002–2019 | 02 Apr 2019 | 66 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KQ37 | MBA-M | 17.0 | 1.2 km | multiple | 2003–2020 | 10 Dec 2020 | 130 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 KR37 | MBA-M | 17.48 | 1.8 km | multiple | 2003–2021 | 14 Apr 2021 | 75 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 KS37 | MBA-I | 17.8 | 820 m | multiple | 2003–2021 | 14 Jun 2021 | 101 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KT37 | MBA-I | 18.5 | 590 m | multiple | 2003–2019 | 29 Jun 2019 | 67 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KV37 | MBA-I | 18.7 | 540 m | multiple | 2003–2020 | 17 Sep 2020 | 72 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KW37 | MBA-M | 17.00 | 2.2 km | multiple | 2003–2021 | 08 Aug 2021 | 154 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 KY37 | MBA-M | 18.19 | 680 m | multiple | 2003–2021 | 06 Nov 2021 | 88 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KZ37 | MBA-O | 16.3 | 3.1 km | multiple | 2003–2021 | 12 Jan 2021 | 94 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 KA38 | MBA-I | 18.3 | 650 m | multiple | 2003–2020 | 22 Aug 2020 | 98 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KB38 | MBA-M | 16.94 | 1.2 km | multiple | 2003–2021 | 05 Dec 2021 | 84 | Disc.: LONEOS | MPC · JPL |
| 0 | 2003 KC38 | MBA-I | 18.29 | 650 m | multiple | 1993–2022 | 27 Jan 2022 | 77 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 KF38 | MBA-M | 17.56 | 1.7 km | multiple | 2011–2021 | 01 Oct 2021 | 82 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KH38 | MBA-I | 18.62 | 560 m | multiple | 2003–2022 | 25 Jan 2022 | 83 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KK38 | MBA-I | 17.5 | 940 m | multiple | 2003–2019 | 02 Dec 2019 | 40 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 KN38 | MBA-I | 17.80 | 820 m | multiple | 2000–2021 | 09 May 2021 | 117 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 KP38 | MBA-I | 19.1 | 450 m | multiple | 2003–2020 | 22 Jun 2020 | 35 | Disc.: Cerro Tololo | MPC · JPL |
| 1 | 2003 KQ38 | MBA-M | 17.7 | 1.6 km | multiple | 2003–2017 | 23 Sep 2017 | 35 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KR38 | MBA-I | 18.5 | 590 m | multiple | 1997–2020 | 17 Oct 2020 | 69 | Disc.: Tenagra II Obs. | MPC · JPL |
| 1 | 2003 KS38 | HUN | 18.7 | 540 m | multiple | 2003–2019 | 09 Jan 2019 | 27 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 KT38 | HUN | 19.1 | 450 m | multiple | 2003–2021 | 09 Jun 2021 | 80 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KW38 | MBA-O | 16.62 | 2.6 km | multiple | 2003–2021 | 10 Aug 2021 | 74 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KY38 | MBA-M | 16.8 | 1.3 km | multiple | 2003–2020 | 18 Jul 2020 | 99 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 KZ38 | MBA-I | 18.0 | 750 m | multiple | 2003–2019 | 26 Nov 2019 | 55 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 KA39 | MBA-O | 17.0 | 2.2 km | multiple | 2003–2019 | 20 Dec 2019 | 57 | Disc.: Spacewatch | MPC · JPL |
| 2 | 2003 KB39 | MCA | 18.9 | 490 m | multiple | 2003–2019 | 02 Nov 2019 | 51 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KE39 | MBA-I | 18.0 | 750 m | multiple | 2003–2018 | 17 Jun 2018 | 43 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KF39 | MBA-I | 18.48 | 600 m | multiple | 2003–2021 | 15 May 2021 | 65 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KG39 | HUN | 18.74 | 530 m | multiple | 2003–2022 | 10 Jan 2022 | 78 | Disc.: SDSS | MPC · JPL |
| 1 | 2003 KJ39 | MBA-I | 18.0 | 750 m | multiple | 2003–2019 | 02 Nov 2019 | 34 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 KK39 | MBA-I | 18.7 | 540 m | multiple | 2003–2017 | 24 Oct 2017 | 37 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KL39 | MBA-O | 17.2 | 2.0 km | multiple | 2003–2019 | 07 Apr 2019 | 33 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KM39 | HUN | 18.83 | 510 m | multiple | 2003–2021 | 31 Aug 2021 | 75 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 KN39 | MBA-I | 17.97 | 760 m | multiple | 2003–2021 | 14 Apr 2021 | 73 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KO39 | HUN | 18.9 | 490 m | multiple | 2003–2019 | 06 Mar 2019 | 31 | Disc.: SDSS | MPC · JPL |
| 1 | 2003 KP39 | MBA-I | 18.5 | 590 m | multiple | 2003–2019 | 23 Oct 2019 | 26 | Disc.: Spacewatch | MPC · JPL |
| 2 | 2003 KQ39 | MBA-I | 18.4 | 620 m | multiple | 2003–2016 | 24 Dec 2016 | 35 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KR39 | MBA-I | 18.1 | 710 m | multiple | 2003–2019 | 03 Oct 2019 | 68 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KT39 | MBA-O | 17.1 | 2.1 km | multiple | 2003–2019 | 07 May 2019 | 37 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KU39 | MBA-O | 17.00 | 2.2 km | multiple | 2003–2021 | 01 Nov 2021 | 36 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KV39 | MBA-I | 19.32 | 410 m | multiple | 2003–2021 | 29 Oct 2021 | 60 | Disc.: Cerro Tololo | MPC · JPL |
| 2 | 2003 KW39 | MBA-M | 18.2 | 680 m | multiple | 2003–2019 | 08 Feb 2019 | 25 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KX39 | MBA-I | 18.8 | 520 m | multiple | 2003–2020 | 23 Oct 2020 | 44 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KY39 | MBA-M | 17.64 | 1.7 km | multiple | 2003–2021 | 09 Apr 2021 | 69 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KZ39 | MBA-O | 16.7 | 2.5 km | multiple | 2003–2021 | 06 Jan 2021 | 62 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KA40 | MBA-O | 17.0 | 2.2 km | multiple | 2003–2020 | 24 Dec 2020 | 45 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 KB40 | MBA-I | 18.0 | 750 m | multiple | 2003–2019 | 29 Oct 2019 | 35 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 KC40 | MBA-M | 17.72 | 1.6 km | multiple | 2003–2021 | 09 May 2021 | 50 | Disc.: SDSS | MPC · JPL |
| 0 | 2003 KD40 | MBA-M | 18.4 | 880 m | multiple | 2003–2020 | 22 Apr 2020 | 35 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KE40 | MBA-M | 17.7 | 1.6 km | multiple | 2003–2019 | 19 Dec 2019 | 63 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KG40 | MBA-O | 17.2 | 2.0 km | multiple | 2003–2020 | 19 Nov 2020 | 57 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KH40 | MBA-M | 16.8 | 2.4 km | multiple | 1994–2021 | 08 Jun 2021 | 39 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 KJ40 | MBA-M | 17.98 | 1.1 km | multiple | 2003–2021 | 05 Oct 2021 | 66 | Disc.: Spacewatch Added on 22 July 2020 | MPC · JPL |
| 0 | 2003 KK40 | MBA-O | 16.86 | 2.4 km | multiple | 2003–2021 | 08 Nov 2021 | 55 | Disc.: LPL/Spacewatch II Added on 22 July 2020 | MPC · JPL |
| 0 | 2003 KL40 | MBA-O | 17.27 | 2.0 km | multiple | 2003–2021 | 05 Jul 2021 | 36 | Disc.: Spacewatch Added on 13 September 2020 | MPC · JPL |
| 0 | 2003 KM40 | MBA-M | 17.8 | 820 m | multiple | 2003–2020 | 19 Jul 2020 | 48 | Disc.: Spacewatch Added on 17 January 2021 | MPC · JPL |
| 0 | 2003 KN40 | MBA-M | 16.7 | 2.5 km | multiple | 2003–2021 | 19 May 2021 | 49 | Disc.: Spacewatch Added on 17 June 2021 | MPC · JPL |
| 0 | 2003 KQ40 | MBA-M | 18.38 | 890 m | multiple | 2003–2021 | 02 Dec 2021 | 29 | Disc.: Spacewatch Added on 30 September 2021 | MPC · JPL |
| 1 | 2003 KS40 | MBA-M | 17.9 | 1.1 km | multiple | 2003–2021 | 03 Oct 2021 | 25 | Disc.: Spacewatch Added on 5 November 2021 | MPC · JPL |

## L

| 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 |
| 6 | 2003 LH | ATE | 25.2 | 32 m | single | 59 days | 31 Jul 2003 | 50 | Disc.: LINEAR | MPC · JPL |
| 1 | 2003 LS1 | HUN | 18.9 | 490 m | multiple | 2003–2020 | 23 Oct 2020 | 60 | Disc.: Spacewatch | MPC · JPL |
| 6 | 2003 LW1 | AMO | 23.2 | 81 m | single | 12 days | 15 Jun 2003 | 76 | Disc.: LINEAR | MPC · JPL |
| 0 | 2003 LM2 | MBA-I | 17.9 | 780 m | multiple | 2003–2020 | 09 Dec 2020 | 82 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 LW2 | APO | 25.8 | 25 m | multiple | 2003–2021 | 01 Jun 2021 | 70 | Disc.: LINEAR | MPC · JPL |
| 0 | 2003 LN3 | MBA-M | 17.5 | 940 m | multiple | 2003–2020 | 07 Oct 2020 | 121 | Disc.: Spacewatch Alt.: 2008 UX320, 2011 GZ19, 2016 QA79 | MPC · JPL |
| – | 2003 LR3 | MCA | 22.5 | 94 m | single | 2 days | 06 Jun 2003 | 14 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LA5 | MBA-O | 17.6 | 1.7 km | multiple | 2003–2020 | 28 Jun 2020 | 50 | Disc.: Tenagra II Obs. | MPC · JPL |
| 0 | 2003 LE5 | MBA-I | 19.01 | 470 m | multiple | 2003–2021 | 31 Oct 2021 | 31 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 LZ5 | HUN | 18.8 | 520 m | multiple | 2003–2020 | 11 Dec 2020 | 53 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LC6 | MBA-I | 17.67 | 870 m | multiple | 2003–2021 | 10 May 2021 | 119 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LE6 | MBA-I | 18.7 | 540 m | multiple | 2003–2021 | 11 Jun 2021 | 45 | Disc.: Table Mountain Obs. Alt.: 2010 NT144 | MPC · JPL |
| 0 | 2003 LK6 | MBA-O | 16.30 | 3.1 km | multiple | 2003–2021 | 01 Dec 2021 | 51 | Disc.: Siding Spring Obs. Added on 13 September 2020 | MPC · JPL |
| 3 | 2003 LN6 | ATE | 24.6 | 43 m | multiple | 2003–2015 | 24 Feb 2015 | 97 | Disc.: LINEAR | MPC · JPL |
| E | 2003 LZ6 | TNO | 6.5 | 172 km | single | 1 day | 02 Jun 2003 | 3 | Disc.: Cerro Tololo LoUTNOs, cubewano? | MPC · JPL |
| 2 | 2003 LA7 | TNO | 6.5 | 181 km | multiple | 2003–2008 | 12 Mar 2008 | 18 | Disc.: Cerro Tololo LoUTNOs, res · 1:4 | MPC · JPL |
| E | 2003 LC7 | TNO | 6.2 | 197 km | single | 37 days | 08 Jul 2003 | 5 | Disc.: Cerro Tololo LoUTNOs, cubewano? | MPC · JPL |
| E | 2003 LD7 | TNO | 6.9 | 143 km | single | 36 days | 07 Jul 2003 | 5 | Disc.: Cerro Tololo LoUTNOs, cubewano? | MPC · JPL |
| E | 2003 LE7 | TNO | 7.6 | 143 km | single | 1 day | 02 Jun 2003 | 3 | Disc.: Cerro Tololo LoUTNOs, plutino? | MPC · JPL |
| E | 2003 LF7 | TNO | 7.9 | 124 km | single | 37 days | 08 Jul 2003 | 6 | Disc.: Cerro Tololo LoUTNOs, plutino? | MPC · JPL |
| E | 2003 LH7 | CEN | 12.5 | 18 km | single | 1 day | 02 Jun 2003 | 3 | Disc.: Cerro Tololo | MPC · JPL |
| 1 | 2003 LY7 | MBA-M | 18.3 | 1.2 km | multiple | 2003–2021 | 08 Jun 2021 | 31 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LC9 | MBA-I | 19.1 | 450 m | multiple | 2003–2018 | 18 Aug 2018 | 23 | Disc.: Cerro Tololo | MPC · JPL |
| 3 | 2003 LD9 | TNO | 6.8 | 182 km | multiple | 2003–2019 | 06 Jun 2019 | 15 | Disc.: Cerro Tololo LoUTNOs, other TNO | MPC · JPL |
| 0 | 2003 LX9 | MBA-O | 16.4 | 2.9 km | multiple | 2003–2019 | 29 May 2019 | 49 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LA10 | MBA-I | 17.4 | 980 m | multiple | 2003–2020 | 21 Jan 2020 | 90 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LC10 | MBA-I | 18.4 | 620 m | multiple | 2003–2018 | 14 Aug 2018 | 40 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LD10 | MBA-I | 18.3 | 650 m | multiple | 2003–2018 | 11 Jul 2018 | 41 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LF10 | MBA-M | 18.3 | 920 m | multiple | 2003–2020 | 24 Jun 2020 | 34 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LG10 | HUN | 18.82 | 510 m | multiple | 2009–2021 | 07 Jun 2021 | 44 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LJ10 | MBA-I | 17.5 | 940 m | multiple | 2003–2021 | 16 Jan 2021 | 64 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LK10 | MBA-I | 17.8 | 820 m | multiple | 2003–2019 | 24 Dec 2019 | 68 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LL10 | MBA-I | 17.9 | 780 m | multiple | 2003–2019 | 08 Nov 2019 | 63 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 LM10 | MBA-I | 19.0 | 470 m | multiple | 2003–2021 | 21 Mar 2021 | 69 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LP10 | MBA-M | 16.91 | 1.2 km | multiple | 2003–2021 | 06 Dec 2021 | 88 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LQ10 | MBA-M | 16.9 | 1.8 km | multiple | 2003–2020 | 17 May 2020 | 73 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LR10 | MBA-O | 16.8 | 2.4 km | multiple | 2003–2021 | 11 Jan 2021 | 56 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LS10 | MBA-I | 18.3 | 650 m | multiple | 2003–2018 | 12 Jul 2018 | 46 | Disc.: Spacewatch | MPC · JPL |
| 2 | 2003 LT10 | MBA-M | 18.4 | 620 m | multiple | 2003–2020 | 12 Sep 2020 | 56 | Disc.: Spacewatch | MPC · JPL |
| 2 | 2003 LU10 | MBA-M | 18.1 | 710 m | multiple | 2003–2019 | 03 Jul 2019 | 43 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LV10 | MBA-M | 17.50 | 1.3 km | multiple | 2007–2021 | 09 Aug 2021 | 83 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LW10 | MBA-O | 17.7 | 1.6 km | multiple | 2003–2021 | 04 Jan 2021 | 50 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LY10 | MBA-M | 17.6 | 1.7 km | multiple | 2003–2019 | 07 Jan 2019 | 50 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LZ10 | MBA-O | 17.3 | 1.9 km | multiple | 2003–2020 | 14 Sep 2020 | 40 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LA11 | MBA-M | 17.55 | 1.7 km | multiple | 2003–2021 | 10 May 2021 | 44 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LD11 | MBA-O | 17.06 | 2.2 km | multiple | 2003–2021 | 30 Oct 2021 | 78 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LG11 | MBA-I | 18.34 | 640 m | multiple | 2003–2021 | 18 May 2021 | 88 | Disc.: Tenagra II Obs. | MPC · JPL |
| 0 | 2003 LH11 | MBA-I | 19.3 | 410 m | multiple | 2003–2020 | 17 Sep 2020 | 67 | Disc.: Cerro Tololo | MPC · JPL |
| 1 | 2003 LJ11 | MBA-I | 18.3 | 650 m | multiple | 2003–2019 | 06 Sep 2019 | 33 | Disc.: Cerro Tololo | MPC · JPL |
| 2 | 2003 LK11 | MBA-I | 18.1 | 710 m | multiple | 2003–2019 | 29 Sep 2019 | 35 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 LL11 | MBA-I | 18.23 | 670 m | multiple | 2003–2021 | 12 May 2021 | 40 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LM11 | MBA-M | 17.3 | 1.5 km | multiple | 2003–2020 | 16 Jun 2020 | 37 | Disc.: LPL/Spacewatch II | MPC · JPL |
| 0 | 2003 LN11 | MBA-O | 17.4 | 1.8 km | multiple | 2003–2021 | 18 Jan 2021 | 60 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LO11 | MBA-O | 17.1 | 2.1 km | multiple | 2003–2018 | 15 Jan 2018 | 62 | Disc.: Cerro Tololo | MPC · JPL |
| 1 | 2003 LP11 | HUN | 18.5 | 590 m | multiple | 2003–2020 | 20 May 2020 | 47 | Disc.: Spacewatch | MPC · JPL |
| 1 | 2003 LQ11 | MBA-I | 18.26 | 660 m | multiple | 2011–2021 | 08 Apr 2021 | 58 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LR11 | MBA-M | 17.8 | 1.5 km | multiple | 2003–2021 | 10 Jun 2021 | 42 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LS11 | MBA-M | 17.3 | 1.9 km | multiple | 2003–2019 | 20 Dec 2019 | 79 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LU11 | MBA-I | 18.0 | 750 m | multiple | 2003–2019 | 27 Oct 2019 | 39 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LV11 | MBA-I | 18.5 | 590 m | multiple | 2003–2019 | 29 Sep 2019 | 32 | Disc.: Spacewatch | MPC · JPL |
| 0 | 2003 LX11 | MBA-O | 17.4 | 1.8 km | multiple | 2003–2016 | 27 Oct 2016 | 38 | Disc.: Cerro Tololo | MPC · JPL |
| 0 | 2003 LY11 | MBA-M | 17.5 | 1.3 km | multiple | 2003–2016 | 25 Sep 2016 | 46 | Disc.: Spacewatch Added on 19 October 2020 | MPC · JPL |
| 2 | 2003 LZ11 | MBA-M | 18.3 | 650 m | multiple | 2003–2020 | 10 Sep 2020 | 35 | Disc.: SDSS Added on 19 October 2020 | MPC · JPL |
| 1 | 2003 LA12 | MBA-M | 17.7 | 860 m | multiple | 2003–2021 | 17 Jan 2021 | 65 | Disc.: Cerro Tololo Added on 17 January 2021 | MPC · JPL |