List of unnumbered minor planets: 2003 S (443–619)

This is a partial list of unnumbered minor planets for principal provisional designations assigned during 16–30 September 2003. Since this period yielded a high number of provisional discoveries, it is further split into several standalone pages. , a total of 130 bodies remain unnumbered for this period. Objects for this year are listed on the following pages: A–E · F–G · H–L · M–R · Si · Sii · Siii · Siv · T · Ui · Uii · Uiii · Uiv · V · Wi · Wii and X–Y. Also see previous and next year.

S

|- id="2003 SP443" bgcolor=#fefefe | 0 || || MBA-I || 18.1 || data-sort-value="0.71" | 710 m || multiple || 2003–2018 || 05 Oct 2018 || 43 || align=left | Disc.: Spacewatch || |- id="2003 SK444" bgcolor=#fefefe | 0 || || MBA-I || 18.4 || data-sort-value="0.62" | 620 m || multiple || 2003–2017 || 24 Oct 2017 || 52 || align=left | Disc.: SpacewatchAlt.: 2010 NA142 || |- id="2003 SE445" bgcolor=#fefefe | 0 || || MBA-I || 18.4 || data-sort-value="0.62" | 620 m || multiple || 2003–2018 || 07 Mar 2018 || 39 || align=left | Disc.: Spacewatch || |- id="2003 SO445" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.03 || 1.4 km || multiple || 2003–2021 || 28 Sep 2021 || 50 || align=left | Disc.: Spacewatch || |- id="2003 ST445" bgcolor=#fefefe | 0 || || MBA-I || 18.5 || data-sort-value="0.59" | 590 m || multiple || 2003–2017 || 20 Nov 2017 || 43 || align=left | Disc.: Spacewatch || |- id="2003 SD446" bgcolor=#fefefe | 1 || || MBA-I || 18.4 || data-sort-value="0.62" | 620 m || multiple || 2003–2017 || 24 Oct 2017 || 40 || align=left | Disc.: Spacewatch || |- id="2003 SF446" bgcolor=#fefefe | 0 || || MBA-I || 18.1 || data-sort-value="0.71" | 710 m || multiple || 2003–2015 || 08 Dec 2015 || 39 || align=left | Disc.: Spacewatch || |- id="2003 SR446" bgcolor=#fefefe | 0 || || MBA-I || 18.7 || data-sort-value="0.54" | 540 m || multiple || 2003–2020 || 12 Dec 2020 || 39 || align=left | Disc.: Spacewatch || |- id="2003 SB447" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.5 || data-sort-value="0.84" | 840 m || multiple || 2003–2020 || 17 Jul 2020 || 39 || align=left | Disc.: Spacewatch || |- id="2003 SH447" bgcolor=#fefefe | 0 || || MBA-I || 18.99 || data-sort-value="0.47" | 470 m || multiple || 2003–2021 || 09 Dec 2021 || 74 || align=left | Disc.: Spacewatch || |- id="2003 SK447" bgcolor=#d6d6d6 | 0 || = (887237) || MBA-O || 17.4 || 1.8 km || multiple || 2003–2017 || 11 Aug 2017 || 33 || align=left | Disc.: Spacewatch || |- id="2003 SL447" bgcolor=#d6d6d6 | 0 || || MBA-O || 17.24 || 2.0 km || multiple || 2003–2022 || 27 Jan 2022 || 93 || align=left | Disc.: NEATAlt.: 2010 CY186 || |- id="2003 SO447" bgcolor=#fefefe | 0 || || MBA-I || 19.0 || data-sort-value="0.47" | 470 m || multiple || 2003–2021 || 18 Jan 2021 || 34 || align=left | Disc.: Spacewatch || |- id="2003 ST447" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.44 || data-sort-value="0.86" | 860 m || multiple || 2003–2022 || 26 Jan 2022 || 55 || align=left | Disc.: NEAT || |- id="2003 SV447" bgcolor=#fefefe | 0 || || MBA-I || 19.3 || data-sort-value="0.41" | 410 m || multiple || 2003–2016 || 04 Oct 2016 || 35 || align=left | Disc.: LPL/Spacewatch II || |- id="2003 SA448" bgcolor=#FA8072 | 1 || || MCA || 19.6 || data-sort-value="0.36" | 360 m || multiple || 2003–2019 || 24 Apr 2019 || 29 || align=left | Disc.: SDSS || |- id="2003 SD448" bgcolor=#E9E9E9 | 1 || || MBA-M || 19.2 || data-sort-value="0.43" | 430 m || multiple || 2003–2015 || 10 Oct 2015 || 28 || align=left | Disc.: Spacewatch || |- id="2003 SF448" bgcolor=#E9E9E9 | 1 || || MBA-M || 18.6 || data-sort-value="0.57" | 570 m || multiple || 2003–2019 || 01 Nov 2019 || 61 || align=left | Disc.: Spacewatch || |- id="2003 SJ448" bgcolor=#E9E9E9 | 2 || || MBA-M || 19.3 || data-sort-value="0.41" | 410 m || multiple || 2003–2019 || 24 Aug 2019 || 35 || align=left | Disc.: Spacewatch || |- id="2003 SL448" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.3 || data-sort-value="0.65" | 650 m || multiple || 2003–2020 || 11 Dec 2020 || 29 || align=left | Disc.: Spacewatch || |- id="2003 SW448" bgcolor=#fefefe | 0 || || MBA-I || 19.2 || data-sort-value="0.43" | 430 m || multiple || 2003–2019 || 01 Nov 2019 || 62 || align=left | Disc.: Spacewatch || |- id="2003 SX448" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.98 || data-sort-value="0.89" | 890 m || multiple || 2003–2021 || 02 Oct 2021 || 46 || align=left | Disc.: Spacewatch || |- id="2003 SY448" bgcolor=#E9E9E9 | 3 || || MBA-M || 18.0 || 1.1 km || multiple || 2003–2016 || 12 Sep 2016 || 26 || align=left | Disc.: NEAT || |- id="2003 SB449" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.41 || 1.2 km || multiple || 2003–2021 || 09 Nov 2021 || 63 || align=left | Disc.: SDSS || |- id="2003 SG449" bgcolor=#E9E9E9 | 2 || || MBA-M || 18.4 || data-sort-value="0.88" | 880 m || multiple || 2003–2016 || 08 Sep 2016 || 22 || align=left | Disc.: NEAT || |- id="2003 SH449" bgcolor=#fefefe | 0 || = (887238) || MBA-I || 19.19 || data-sort-value="0.43" | 430 m || multiple || 2003–2021 || 04 Oct 2021 || 65 || align=left | Disc.: Spacewatch || |- id="2003 SL449" bgcolor=#fefefe | 1 || || MBA-I || 20.2 || data-sort-value="0.27" | 270 m || multiple || 2003–2017 || 21 Sep 2017 || 20 || align=left | Disc.: Spacewatch || |- id="2003 SM449" bgcolor=#fefefe | 1 || || MBA-I || 19.3 || data-sort-value="0.41" | 410 m || multiple || 2003–2021 || 18 Jan 2021 || 31 || align=left | Disc.: Spacewatch || |- id="2003 SO449" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.02 || 1.4 km || multiple || 2003–2021 || 29 Aug 2021 || 35 || align=left | Disc.: Spacewatch || |- id="2003 SP449" bgcolor=#d6d6d6 | 1 || || MBA-O || 17.6 || 1.7 km || multiple || 2003–2014 || 27 Sep 2014 || 17 || align=left | Disc.: LPL/Spacewatch II || |- id="2003 SR449" bgcolor=#fefefe | 3 || || MBA-I || 19.1 || data-sort-value="0.45" | 450 m || multiple || 2003–2017 || 14 Sep 2017 || 28 || align=left | Disc.: Spacewatch || |- id="2003 ST449" bgcolor=#E9E9E9 | 0 || || MBA-M || 18.5 || data-sort-value="0.84" | 840 m || multiple || 2003–2020 || 05 Nov 2020 || 58 || align=left | Disc.: Spacewatch || |- id="2003 SO451" bgcolor=#fefefe | 0 || || MBA-I || 18.9 || data-sort-value="0.49" | 490 m || multiple || 2003–2019 || 03 Jun 2019 || 57 || align=left | Disc.: Spacewatch || |- id="2003 SP452" bgcolor=#fefefe | 0 || || MBA-I || 19.28 || data-sort-value="0.41" | 410 m || multiple || 2003–2019 || 24 Jul 2019 || 43 || align=left | Disc.: Spacewatch || |- id="2003 SR452" bgcolor=#fefefe | 0 || || MBA-I || 18.8 || data-sort-value="0.52" | 520 m || multiple || 2003–2019 || 20 Dec 2019 || 61 || align=left | Disc.: NEAT || |- id="2003 SY452" bgcolor=#FA8072 | 0 || || MCA || 18.9 || data-sort-value="0.49" | 490 m || multiple || 2003–2019 || 01 Jul 2019 || 57 || align=left | Disc.: Spacewatch || |- id="2003 SL453" bgcolor=#E9E9E9 | 1 || = (887239) || MBA-M || 18.5 || data-sort-value="0.59" | 590 m || multiple || 2003–2019 || 03 Oct 2019 || 41 || align=left | Disc.: SDSS || |- id="2003 ST453" bgcolor=#d6d6d6 | 0 || || HIL || 16.5 || 2.8 km || multiple || 2003–2019 || 19 Nov 2019 || 45 || align=left | Disc.: Spacewatch || |- id="2003 SU453" bgcolor=#d6d6d6 | 0 || || HIL || 16.5 || 2.8 km || multiple || 1995–2019 || 19 Nov 2019 || 50 || align=left | Disc.: Spacewatch || |- id="2003 SX453" bgcolor=#fefefe | 1 || || MBA-I || 18.9 || data-sort-value="0.49" | 490 m || multiple || 2003–2019 || 04 Dec 2019 || 58 || align=left | Disc.: Spacewatch || |- id="2003 SQ454" bgcolor=#d6d6d6 | 0 || || MBA-O || 17.4 || 1.8 km || multiple || 2003–2019 || 19 Nov 2019 || 53 || align=left | Disc.: Spacewatch || |- id="2003 SR454" bgcolor=#d6d6d6 | 0 || || MBA-O || 17.8 || 1.5 km || multiple || 2003–2019 || 25 Sep 2019 || 38 || align=left | Disc.: LPL/Spacewatch II || |- id="2003 SS454" bgcolor=#fefefe | 0 || || MBA-I || 18.9 || data-sort-value="0.49" | 490 m || multiple || 2003–2019 || 06 Sep 2019 || 43 || align=left | Disc.: Spacewatch || |- id="2003 SU454" bgcolor=#fefefe | 0 || || MBA-I || 19.3 || data-sort-value="0.41" | 410 m || multiple || 2003–2019 || 01 Nov 2019 || 39 || align=left | Disc.: LONEOS || |- id="2003 SV454" bgcolor=#fefefe | 1 || || MBA-I || 19.0 || data-sort-value="0.47" | 470 m || multiple || 2003–2018 || 11 Nov 2018 || 45 || align=left | Disc.: Spacewatch || |- id="2003 SZ454" bgcolor=#E9E9E9 | 1 || || MBA-M || 18.6 || data-sort-value="0.57" | 570 m || multiple || 2003–2019 || 25 Sep 2019 || 34 || align=left | Disc.: Spacewatch || |- id="2003 SB455" bgcolor=#d6d6d6 | 1 || || MBA-O || 17.9 || 1.5 km || multiple || 2003–2020 || 25 Jan 2020 || 39 || align=left | Disc.: Spacewatch || |- id="2003 SF455" bgcolor=#fefefe | 0 || || MBA-I || 19.5 || data-sort-value="0.37" | 370 m || multiple || 2003–2019 || 03 Oct 2019 || 36 || align=left | Disc.: Spacewatch || |- id="2003 SH455" bgcolor=#fefefe | 0 || = (887240) || MBA-I || 18.4 || data-sort-value="0.62" | 620 m || multiple || 2003–2020 || 22 Apr 2020 || 47 || align=left | Disc.: Spacewatch || |- id="2003 SJ455" bgcolor=#fefefe | 1 || || MBA-I || 18.6 || data-sort-value="0.57" | 570 m || multiple || 2003–2018 || 13 Nov 2018 || 40 || align=left | Disc.: Spacewatch || |- id="2003 SL455" bgcolor=#E9E9E9 | 1 || || MBA-M || 18.3 || data-sort-value="0.65" | 650 m || multiple || 2003–2019 || 01 Nov 2019 || 34 || align=left | Disc.: SDSS || |- id="2003 SM455" bgcolor=#d6d6d6 | 0 || = (887241) || MBA-O || 17.3 || 1.9 km || multiple || 2003–2021 || 15 Jan 2021 || 46 || align=left | Disc.: Spacewatch || |- id="2003 SV455" bgcolor=#fefefe | 0 || || MBA-I || 18.5 || data-sort-value="0.59" | 590 m || multiple || 2003–2020 || 23 Aug 2020 || 41 || align=left | Disc.: Spacewatch || |- id="2003 SW455" bgcolor=#fefefe | 0 || || MBA-I || 19.2 || data-sort-value="0.43" | 430 m || multiple || 2003–2018 || 15 Oct 2018 || 33 || align=left | Disc.: Spacewatch || |- id="2003 SX455" bgcolor=#d6d6d6 | 0 || || MBA-O || 16.9 || 2.3 km || multiple || 2003–2019 || 01 Oct 2019 || 37 || align=left | Disc.: Spacewatch || |- id="2003 SA456" bgcolor=#fefefe | 0 || = (887242) || HUN || 18.7 || data-sort-value="0.54" | 540 m || multiple || 2003–2019 || 25 Oct 2019 || 37 || align=left | Disc.: Spacewatch || |- id="2003 SB456" bgcolor=#E9E9E9 | 0 || || MBA-M || 17.3 || 1.9 km || multiple || 2003–2017 || 21 Oct 2017 || 34 || align=left | Disc.: Spacewatch || |- id="2003 SD456" bgcolor=#fefefe | 1 || || MBA-I || 18.4 || data-sort-value="0.62" | 620 m || multiple || 2003–2018 || 08 Nov 2018 || 30 || align=left | Disc.: Spacewatch || |- id="2003 SG456" bgcolor=#d6d6d6 | 0 || || MBA-O || 17.4 || 1.8 km || multiple || 2003–2019 || 01 Nov 2019 || 29 || align=left | Disc.: Spacewatch || |- id="2003 SH456" bgcolor=#d6d6d6 | 2 || || HIL || 16.6 || 2.7 km || multiple || 2003–2019 || 02 Nov 2019 || 36 || align=left | Disc.: SDSS || |- id="2003 SK456" bgcolor=#E9E9E9 | 1 || || MBA-M || 18.8 || data-sort-value="0.52" | 520 m || multiple || 2003–2019 || 02 Oct 2019 || 41 || align=left | Disc.: Spacewatch || |- id="2003 SM456" bgcolor=#fefefe | 0 || || MBA-I || 18.66 || data-sort-value="0.55" | 550 m || multiple || 2003–2021 || 08 May 2021 || 42 || align=left | Disc.: Spacewatch || |- id="2003 SN456" bgcolor=#fefefe | 0 || || MBA-I || 19.0 || data-sort-value="0.47" | 470 m || multiple || 2003–2020 || 25 Oct 2020 || 31 || align=left | Disc.: Spacewatch || |- id="2003 SU456" bgcolor=#d6d6d6 | 1 || || HIL || 16.8 || 2.4 km || multiple || 1995–2020 || 19 Jan 2020 || 38 || align=left | Disc.: Spacewatch || |- id="2003 SW456" bgcolor=#fefefe | 0 || || MBA-I || 19.4 || data-sort-value="0.39" | 390 m || multiple || 2003–2019 || 17 Nov 2019 || 34 || align=left | Disc.: NEAT || |- id="2003 SX456" bgcolor=#d6d6d6 | 0 || || MBA-O || 16.8 || 2.4 km || multiple || 2003–2020 || 31 Jul 2020 || 26 || align=left | Disc.: Spacewatch || |- id="2003 SZ456" bgcolor=#E9E9E9 | 1 || || MBA-M || 19.0 || data-sort-value="0.47" | 470 m || multiple || 2003–2019 || 29 Sep 2019 || 33 || align=left | Disc.: Spacewatch || |- id="2003 SA457" bgcolor=#fefefe