List of unnumbered minor planets: 2003 X–Y

This is a partial list of unnumbered minor planets for principal provisional designations assigned during 1–31 December 2003. As of February 2022^[update], a total of 425 bodies remain unnumbered for this period.^[1]^[2]^[3]^[4] 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

X

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

0	2003 XD	MBA-I	17.46	960 m	multiple	2003–2021	27 Mar 2021	116	Disc.: LINEAR	MPC · JPL
0	2003 XH	MCA	18.4	1.2 km	multiple	2003–2018	11 Aug 2018	114	Disc.: LINEAR	MPC · JPL
8	2003 XK	APO	25.9	23 m	single	3 days	04 Dec 2003	16	Disc.: LINEAR	MPC · JPL
0	2003 XM	AMO	19.28	490 m	multiple	2003–2021	09 Jan 2021	149	Disc.: LINEAR	MPC · JPL
0	2003 XV	APO	26.7	16 m	multiple	2003–2011	06 Dec 2011	74	Disc.: Spacewatch	MPC · JPL
–	2003 XW	MCA	18.8	730 m	single	29 days	23 Dec 2003	32	Disc.: LINEAR	MPC · JPL
0	2003 XK1	MBA-O	16.75	2.5 km	multiple	2003–2022	06 Jan 2022	163	Disc.: Spacewatch Alt.: 2010 ER159, 2014 PH30, 2014 QK411	MPC · JPL
1	2003 XN1	MBA-O	17.4	1.8 km	multiple	2003–2021	06 Jan 2021	80	Disc.: Spacewatch Alt.: 2014 SQ247	MPC · JPL
0	2003 XO1	MBA-M	17.78	1.5 km	multiple	2003–2021	08 Aug 2021	51	Disc.: Spacewatch	MPC · JPL
0	2003 XQ1	MBA-O	16.8	2.4 km	multiple	2003–2021	16 Jan 2021	54	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
1	2003 XG7	MCA	17.4	980 m	multiple	2003–2019	07 Jan 2019	145	Disc.: LINEAR Alt.: 2018 SH13	MPC · JPL
6	2003 XJ7	APO	26.4	19 m	single	1 day	06 Dec 2003	35	Disc.: LINEAR	MPC · JPL
6	2003 XH10	APO	25.5	28 m	single	4 days	08 Dec 2003	36	Disc.: LINEAR	MPC · JPL
6	2003 XZ12	APO	24.4	47 m	single	10 days	25 Dec 2003	30	Disc.: LINEAR	MPC · JPL
0	2003 XB15	MBA-I	17.35	1.0 km	multiple	2003–2021	06 Dec 2021	203	Disc.: LINEAR Alt.: 2010 VB153, 2010 VE187	MPC · JPL
0	2003 XG15	HUN	18.33	640 m	multiple	2003–2022	18 Jan 2022	100	Disc.: LINEAR Alt.: 2016 VV7	MPC · JPL
0	2003 XT16	MBA-M	17.2	1.5 km	multiple	2003–2021	05 Jan 2021	65	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	2003 XZ16	MBA-M	17.3	1.5 km	multiple	2003–2021	15 Jan 2021	154	Disc.: NEAT Alt.: 2016 XB19	MPC · JPL
0	2003 XU17	MBA-M	18.5	840 m	multiple	2000–2021	17 Jan 2021	38	Disc.: Spacewatch Alt.: 2020 XE14	MPC · JPL
2	2003 XV18	MBA-O	16.7	2.5 km	multiple	2003–2019	19 Dec 2019	50	Disc.: Spacewatch	MPC · JPL
1	2003 XK21	MCA	16.4	3.4 km	multiple	2003–2020	02 Feb 2020	155	Disc.: Spacewatch Alt.: 2008 SS211	MPC · JPL
0	2003 XC22	MCA	17.0	1.7 km	multiple	2003–2021	21 Jan 2021	125	Disc.: LINEAR	MPC · JPL
0	2003 XF23	MBA-O	16.50	2.8 km	multiple	2003–2022	25 Jan 2022	124	Disc.: Spacewatch	MPC · JPL
0	2003 XU24	MBA-O	16.43	2.9 km	multiple	2003–2021	13 Nov 2021	109	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2010 DZ89	MPC · JPL
0	2003 XQ27	MBA-O	16.1	3.4 km	multiple	2002–2021	17 Jan 2021	221	Disc.: LINEAR Alt.: 2012 KJ38	MPC · JPL
0	2003 XF28	MBA-O	16.8	2.4 km	multiple	2003–2021	12 Jan 2021	64	Disc.: Spacewatch Alt.: 2016 CH245	MPC · JPL
0	2003 XG28	MBA-O	16.91	2.3 km	multiple	2003–2021	01 May 2021	92	Disc.: Spacewatch	MPC · JPL
0	2003 XP28	MBA-O	16.62	2.6 km	multiple	2003–2021	13 Apr 2021	66	Disc.: Spacewatch	MPC · JPL
2	2003 XQ28	MBA-O	17.1	2.1 km	multiple	2003–2020	23 Nov 2020	44	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	2003 XW28	MBA-O	16.9	2.3 km	multiple	2002–2021	04 Jan 2021	104	Disc.: Spacewatch Alt.: 2013 TK148, 2014 WS131	MPC · JPL
0	2003 XL29	MBA-I	17.83	810 m	multiple	2001–2021	08 May 2021	76	Disc.: Spacewatch Alt.: 2014 OW8	MPC · JPL
0	2003 XY29	MBA-I	18.2	680 m	multiple	2003–2021	16 Jan 2021	112	Disc.: LPL/Spacewatch II Alt.: 2008 AW21, 2015 DN36	MPC · JPL
0	2003 XA30	MBA-O	16.2	3.2 km	multiple	2003–2021	14 Jan 2021	95	Disc.: Spacewatch	MPC · JPL
0	2003 XC30	MBA-O	17.19	2.0 km	multiple	2003–2021	10 Apr 2021	78	Disc.: Spacewatch Alt.: 2008 VP96, 2015 BK284	MPC · JPL
1	2003 XD30	MBA-M	18.34	1.2 km	multiple	2003–2022	07 Jan 2022	73	Disc.: Spacewatch Alt.: 2012 WY17	MPC · JPL
0	2003 XK30	MBA-I	18.0	750 m	multiple	2003–2021	08 May 2021	42	Disc.: Spacewatch Added on 21 August 2021	MPC · JPL
0	2003 XQ30	MBA-O	17.1	2.1 km	multiple	2003–2020	16 Dec 2020	63	Disc.: Spacewatch	MPC · JPL
0	2003 XR30	MBA-O	16.9	2.3 km	multiple	2003–2021	09 Jan 2021	105	Disc.: Spacewatch Alt.: 2008 RT45, 2008 RX93	MPC · JPL
0	2003 XA31	MBA-O	16.4	2.9 km	multiple	2003–2021	06 Jan 2021	102	Disc.: Spacewatch	MPC · JPL
0	2003 XD32	MBA-I	18.57	570 m	multiple	2003–2022	25 Jan 2022	116	Disc.: Spacewatch Alt.: 2013 RM15	MPC · JPL
0	2003 XL32	MBA-I	18.75	530 m	multiple	2003–2021	09 Nov 2021	70	Disc.: LPL/Spacewatch II Added on 5 November 2021	MPC · JPL
0	2003 XB34	MBA-I	18.7	540 m	multiple	2003–2021	15 Jan 2021	29	Disc.: Spacewatch Added on 21 August 2021	MPC · JPL
0	2003 XM34	MBA-I	18.8	520 m	multiple	2003–2020	14 Nov 2020	57	Disc.: LPL/Spacewatch II	MPC · JPL
2	2003 XX39	MBA-O	17.7	1.6 km	multiple	2003–2020	15 Oct 2020	61	Disc.: LINEAR Added on 11 May 2021 Alt.: 2020 OE10	MPC · JPL
0	2003 XE40	MBA-M	17.5	1.3 km	multiple	2003–2021	04 Jan 2021	76	Disc.: Spacewatch	MPC · JPL
0	2003 XP40	MBA-M	17.2	1.5 km	multiple	2001–2021	08 Jan 2021	118	Disc.: Spacewatch Alt.: 2007 TF146, 2014 JH6	MPC · JPL
0	2003 XY40	MBA-O	17.35	1.9 km	multiple	2003–2021	10 Apr 2021	61	Disc.: Spacewatch	MPC · JPL
0	2003 XB41	MBA-O	17.29	1.9 km	multiple	2003–2021	17 Jun 2021	55	Disc.: Spacewatch	MPC · JPL
2	2003 XN43	HIL	15.6	4.2 km	multiple	2003–2021	09 Apr 2021	37	Disc.: LINEAR Alt.: 2021 CW34	MPC · JPL
2	2003 XR43	MBA-O	17.2	2.0 km	multiple	2003–2020	22 Jan 2020	47	Disc.: Spacewatch	MPC · JPL
0	2003 XX43	MBA-I	18.54	580 m	multiple	2003–2021	30 Jun 2021	65	Disc.: Spacewatch Alt.: 2008 HH63	MPC · JPL
0	2003 XY43	MBA-O	17.3	1.9 km	multiple	2003–2019	03 Dec 2019	38	Disc.: Spacewatch	MPC · JPL
0	2003 XE44	MBA-O	15.8	3.9 km	multiple	1992–2021	17 Jan 2021	141	Disc.: Spacewatch	MPC · JPL
0	2003 XF44	MBA-I	18.4	620 m	multiple	2003–2021	08 Jan 2021	145	Disc.: Spacewatch	MPC · JPL
0	2003 XG44	MBA-I	18.4	620 m	multiple	2003–2019	23 Sep 2019	163	Disc.: Spacewatch	MPC · JPL
0	2003 XH44	MBA-M	17.6	900 m	multiple	2003–2021	12 Jan 2021	83	Disc.: Spacewatch	MPC · JPL
0	2003 XK44	MBA-I	18.74	530 m	multiple	2003–2021	09 Aug 2021	88	Disc.: Spacewatch	MPC · JPL
0	2003 XL44	MBA-I	18.29	650 m	multiple	2003–2021	09 May 2021	114	Disc.: Spacewatch	MPC · JPL
0	2003 XM44	MBA-O	17.28	1.9 km	multiple	2003–2021	31 Aug 2021	66	Disc.: Spacewatch	MPC · JPL
0	2003 XO44	MBA-I	18.4	620 m	multiple	2003–2020	15 Sep 2020	89	Disc.: Spacewatch	MPC · JPL
0	2003 XP44	MBA-O	16.73	2.5 km	multiple	2003–2022	27 Jan 2022	72	Disc.: Spacewatch	MPC · JPL
0	2003 XQ44	MBA-I	18.30	650 m	multiple	2003–2021	07 Dec 2021	60	Disc.: Spacewatch	MPC · JPL
0	2003 XR44	MBA-M	17.3	1.5 km	multiple	2003–2021	07 Jan 2021	92	Disc.: LPL/Spacewatch II	MPC · JPL
0	2003 XS44	MBA-O	16.17	3.2 km	multiple	2003–2022	27 Jan 2022	173	Disc.: Spacewatch	MPC · JPL
0	2003 XT44	MBA-O	16.7	2.5 km	multiple	2003–2021	18 Jan 2021	54	Disc.: Spacewatch Alt.: 2016 AV177	MPC · JPL
0	2003 XV44	MBA-M	17.0	2.2 km	multiple	2003–2021	11 Jun 2021	75	Disc.: LPL/Spacewatch II	MPC · JPL
0	2003 XW44	MBA-M	18.1	710 m	multiple	2003–2019	30 Nov 2019	97	Disc.: Spacewatch	MPC · JPL
0	2003 XA45	MBA-I	18.7	540 m	multiple	2003–2021	04 Jan 2021	60	Disc.: Spacewatch	MPC · JPL
0	2003 XB45	MBA-I	18.0	750 m	multiple	2003–2020	22 Dec 2020	86	Disc.: LPL/Spacewatch II	MPC · JPL
0	2003 XD45	MBA-M	17.57	1.7 km	multiple	2003–2021	28 Dec 2021	49	Disc.: Spacewatch	MPC · JPL
0	2003 XE45	MBA-M	17.99	1.4 km	multiple	2003–2021	30 Nov 2021	67	Disc.: Spacewatch	MPC · JPL
0	2003 XF45	MBA-M	17.3	1.5 km	multiple	2003–2021	02 Jan 2021	125	Disc.: Spacewatch	MPC · JPL
0	2003 XG45	MBA-O	17.42	1.8 km	multiple	2003–2021	22 Mar 2021	47	Disc.: Spacewatch	MPC · JPL
0	2003 XK45	MBA-O	16.6	2.7 km	multiple	2003–2021	16 Jan 2021	66	Disc.: Spacewatch	MPC · JPL
0	2003 XL45	MBA-I	17.99	750 m	multiple	2003–2021	06 Dec 2021	29	Disc.: Spacewatch	MPC · JPL
2	2003 XM45	MBA-M	19.1	640 m	multiple	2003–2020	12 Sep 2020	21	Disc.: Spacewatch	MPC · JPL
0	2003 XO45	MBA-O	16.8	2.4 km	multiple	2003–2019	19 Oct 2019	66	Disc.: LPL/Spacewatch II	MPC · JPL
0	2003 XP45	MBA-I	18.5	590 m	multiple	2003–2019	01 Nov 2019	72	Disc.: LPL/Spacewatch II	MPC · JPL
0	2003 XQ45	MBA-O	16.9	2.3 km	multiple	2003–2020	16 Nov 2020	71	Disc.: LPL/Spacewatch II	MPC · JPL
0	2003 XR45	MBA-I	18.58	570 m	multiple	2003–2021	17 Jun 2021	60	Disc.: Spacewatch	MPC · JPL
0	2003 XS45	MBA-O	16.5	2.8 km	multiple	2003–2021	21 Jan 2021	87	Disc.: Spacewatch	MPC · JPL
0	2003 XT45	MBA-I	18.22	670 m	multiple	2003–2018	29 Sep 2018	62	Disc.: Spacewatch	MPC · JPL
0	2003 XU45	MBA-O	16.94	2.3 km	multiple	1992–2021	17 Apr 2021	101	Disc.: Spacewatch	MPC · JPL
0	2003 XW45	MBA-O	17.19	2.0 km	multiple	2003–2021	08 Apr 2021	99	Disc.: Spacewatch	MPC · JPL
0	2003 XX45	MBA-O	16.9	2.3 km	multiple	2003–2021	17 Jan 2021	49	Disc.: LPL/Spacewatch II	MPC · JPL
1	2003 XY45	MBA-I	19.1	450 m	multiple	2003–2020	20 Oct 2020	50	Disc.: Spacewatch	MPC · JPL
0	2003 XA46	MBA-M	17.84	1.5 km	multiple	2003–2021	11 Sep 2021	57	Disc.: LPL/Spacewatch II	MPC · JPL
0	2003 XB46	MBA-O	16.9	2.3 km	multiple	2003–2020	22 Jan 2020	63	Disc.: Spacewatch	MPC · JPL
0	2003 XC46	MBA-O	17.52	1.7 km	multiple	1992–2021	06 Apr 2021	61	Disc.: Spacewatch	MPC · JPL
0	2003 XE46	MBA-O	16.85	2.4 km	multiple	2003–2021	09 May 2021	51	Disc.: Spacewatch	MPC · JPL
0	2003 XF46	MBA-M	17.9	1.1 km	multiple	2003–2020	17 Dec 2020	61	Disc.: Spacewatch	MPC · JPL
0	2003 XH46	MBA-O	17.06	2.2 km	multiple	2003–2021	14 Apr 2021	90	Disc.: Spacewatch Alt.: 2010 HH129	MPC · JPL
0	2003 XJ46	MBA-O	17.02	2.2 km	multiple	2003–2021	14 Apr 2021	77	Disc.: Spacewatch	MPC · JPL
0	2003 XK46	MBA-M	17.62	1.7 km	multiple	2003–2021	04 Oct 2021	57	Disc.: Spacewatch	MPC · JPL
0	2003 XL46	MBA-O	17.0	2.2 km	multiple	2003–2021	12 Jan 2021	38	Disc.: Spacewatch	MPC · JPL
0	2003 XM46	MBA-O	17.84	1.5 km	multiple	2003–2021	15 Apr 2021	53	Disc.: LPL/Spacewatch II Alt.: 2010 CE167	MPC · JPL
0	2003 XN46	MBA-O	17.2	2.0 km	multiple	2003–2019	29 Sep 2019	25	Disc.: Spacewatch	MPC · JPL
0	2003 XO46	MBA-M	17.97	1.1 km	multiple	1998–2022	27 Jan 2022	43	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
3	2003 XP46	MBA-I	18.9	490 m	multiple	2003–2020	08 Dec 2020	53	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	2003 XQ46	MBA-M	18.32	1.2 km	multiple	1998–2021	07 Sep 2021	34	Disc.: Spacewatch Added on 17 June 2021	MPC · JPL
1	2003 XS46	HUN	18.7	540 m	multiple	2003–2020	31 Jan 2020	37	Disc.: Spacewatch Added on 21 August 2021	MPC · JPL
0	2003 XV46	MBA-I	19.07	460 m	multiple	2003–2021	09 Dec 2021	46	Disc.: Spacewatch Added on 24 December 2021	MPC · JPL

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Y

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

0	2003 YJ	ATE	20.34	300 m	multiple	2003–2021	09 Nov 2021	221	—	MPC · JPL
0	2003 YM	MCA	16.7	1.9 km	multiple	2000–2021	14 Jan 2021	85	—	MPC · JPL
0	2003 YM1	AMO	18.00	890 m	multiple	2003–2021	17 May 2021	651	NEO larger than 1 kilometer	MPC · JPL
7	2003 YN1	APO	24.9	37 m	single	12 days	27 Dec 2003	23	AMO at MPC	MPC · JPL
5	2003 YP1	APO	21.8	160 m	single	56 days	30 Jan 2004	69	Potentially hazardous object	MPC · JPL
6	2003 YQ1	AMO	22.0	140 m	single	23 days	10 Jan 2004	54	—	MPC · JPL
3	2003 YR1	ATE	22.2	130 m	multiple	2003–2020	21 Dec 2020	58	—	MPC · JPL
6	2003 YS1	APO	19.6	430 m	single	27 days	13 Jan 2004	47	—	MPC · JPL
2	2003 YV1	MCA	16.9	1.2 km	multiple	2003–2015	15 Aug 2015	109	—	MPC · JPL
2	2003 YW1	AMO	22.2	130 m	multiple	2003–2019	07 Jan 2019	46	—	MPC · JPL
0	2003 YZ1	MCA	18.94	480 m	multiple	2003–2021	17 Apr 2021	132	—	MPC · JPL
0	2003 YL2	MCA	18.05	1.4 km	multiple	2003–2021	03 Dec 2021	122	—	MPC · JPL
–	2003 YQ2	MBA-M	18.1	710 m	single	3 days	21 Dec 2003	17	—	MPC · JPL
0	2003 YP3	APO	20.22	320 m	multiple	2003–2021	10 Jul 2021	169	—	MPC · JPL
0	2003 YT3	MBA-M	17.1	1.1 km	multiple	2003–2021	15 Jan 2021	86	—	MPC · JPL
4	2003 YR4	MCA	17.9	780 m	multiple	2003–2021	14 Jan 2021	41	—	MPC · JPL
0	2003 YJ6	MBA-M	16.8	1.3 km	multiple	2003–2021	17 Jan 2021	100	—	MPC · JPL
0	2003 YE7	MBA-I	18.20	680 m	multiple	2003–2021	15 Apr 2021	112	—	MPC · JPL
1	2003 YM7	MCA	19.2	430 m	multiple	2003–2020	22 Mar 2020	97	—	MPC · JPL
6	2003 YN7	APO	20.6	270 m	single	25 days	13 Jan 2004	74	—	MPC · JPL
0	2003 YP7	MBA-M	17.5	940 m	multiple	2003–2021	15 May 2021	134	Alt.: 2013 JL79	MPC · JPL
2	2003 YG8	HUN	18.8	520 m	multiple	2003–2021	04 Dec 2021	39	Disc.: LINEAR Added on 24 December 2021	MPC · JPL
0	2003 YX8	MBA-I	18.42	620 m	multiple	2003–2021	05 Jan 2021	51	—	MPC · JPL
0	2003 YY8	HUN	18.25	670 m	multiple	2003–2021	18 May 2021	108	—	MPC · JPL
0	2003 YQ9	MBA-I	16.9	1.2 km	multiple	2003–2020	24 Dec 2020	184	Alt.: 2007 TE385, 2018 CM12	MPC · JPL
1	2003 YE13	MCA	17.5	1.8 km	multiple	2003–2021	11 Jun 2021	69	Alt.: 2014 WW365	MPC · JPL
0	2003 YC14	MBA-M	16.17	1.7 km	multiple	2003–2021	18 Apr 2021	304	Alt.: 2017 DM58	MPC · JPL
0	2003 YP17	AMO	19.10	540 m	multiple	2003–2021	11 Jul 2021	855	—	MPC · JPL
1	2003 YR17	MCA	17.7	1.2 km	multiple	2003–2020	23 Oct 2020	102	—	MPC · JPL
2	2003 YS17	ATE	21.6	170 m	multiple	2003–2021	08 Jan 2021	201	Potentially hazardous object	MPC · JPL
1	2003 YG19	MBA-O	16.4	2.9 km	multiple	2003–2021	16 Jan 2021	67	Alt.: 2015 BT78	MPC · JPL
0	2003 YH19	MBA-O	16.0	3.5 km	multiple	2001–2020	25 Nov 2020	118	Alt.: 2011 FU86	MPC · JPL
0	2003 YR20	MBA-M	17.2	1.5 km	multiple	2003–2021	17 Jan 2021	107	—	MPC · JPL
3	2003 YH22	HUN	18.4	620 m	multiple	2003–2020	15 Feb 2020	38	—	MPC · JPL
0	2003 YT28	MBA-O	16.5	2.8 km	multiple	2003–2020	28 Jan 2020	130	—	MPC · JPL
0	2003 YD30	HUN	18.09	720 m	multiple	2003–2021	28 Oct 2021	118	—	MPC · JPL
0	2003 YH30	MBA-M	17.68	1.2 km	multiple	2003–2021	12 Jan 2021	125	Alt.: 2003 YS178	MPC · JPL
0	2003 YL30	MBA-O	17.01	2.2 km	multiple	2001–2021	11 Apr 2021	160	—	MPC · JPL
0	2003 YY36	MBA-M	18.1	1.0 km	multiple	2003–2021	17 Jan 2021	47	Alt.: 2017 DL13	MPC · JPL
0	2003 YC37	MBA-M	17.3	1.0 km	multiple	2003–2021	16 Jan 2021	112	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2017 GX10	MPC · JPL
0	2003 YB38	MBA-O	16.59	2.7 km	multiple	2003–2021	09 Apr 2021	75	Alt.: 2015 BU53	MPC · JPL
0	2003 YG38	MBA-M	17.5	1.3 km	multiple	2003–2021	12 Jan 2021	96	Alt.: 2017 BP104	MPC · JPL
2	2003 YO41	MBA-I	18.1	710 m	multiple	2003–2020	10 Nov 2020	87	—	MPC · JPL
0	2003 YN42	MBA-M	17.60	1.3 km	multiple	2003–2022	27 Jan 2022	111	—	MPC · JPL
0	2003 YS42	MBA-I	18.0	750 m	multiple	2003–2021	18 Jan 2021	87	Alt.: 2011 BX56, 2013 YT148	MPC · JPL
0	2003 YL44	MBA-M	16.9	1.2 km	multiple	2003–2021	15 Jan 2021	63	—	MPC · JPL
6	2003 YD45	APO	21.0	220 m	single	30 days	19 Jan 2004	56	Potentially hazardous object	MPC · JPL
1	2003 YB46	MBA-I	17.3	1.0 km	multiple	2003–2020	27 Feb 2020	87	—	MPC · JPL
0	2003 YS46	MBA-O	16.12	3.3 km	multiple	2001–2022	09 Jan 2022	107	—	MPC · JPL
0	2003 YL49	MBA-M	17.53	1.7 km	multiple	2003–2022	05 Jan 2022	68	—	MPC · JPL
1	2003 YY49	MCA	18.48	600 m	multiple	2003–2021	27 Nov 2021	141	Alt.: 2021 OJ10	MPC · JPL
0	2003 YD53	MBA-M	16.6	2.7 km	multiple	2003–2020	11 May 2020	80	—	MPC · JPL
0	2003 YF67	MBA-M	17.99	1.4 km	multiple	2003–2021	08 Nov 2021	84	—	MPC · JPL
0	2003 YH67	MBA-O	16.63	2.6 km	multiple	2003–2021	12 May 2021	95	—	MPC · JPL
0	2003 YK67	MBA-O	16.2	3.2 km	multiple	2003–2021	14 Jan 2021	105	Alt.: 2010 FB39	MPC · JPL
2	2003 YM67	MBA-M	18.2	680 m	multiple	2003–2020	24 Dec 2020	20	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	2003 YT67	MBA-I	18.7	540 m	multiple	2003–2020	15 Oct 2020	40	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	2003 YV67	MBA-O	16.9	2.3 km	multiple	2003–2021	18 Jan 2021	83	—	MPC · JPL
2	2003 YW67	MBA-M	19.1	640 m	multiple	2003–2020	07 Dec 2020	41	—	MPC · JPL
1	2003 YX67	MBA-I	18.7	540 m	multiple	2003–2021	18 Jan 2021	61	—	MPC · JPL
0	2003 YC68	MBA-M	17.80	1.5 km	multiple	2003–2021	07 Nov 2021	68	—	MPC · JPL
0	2003 YW68	MBA-M	17.49	940 m	multiple	2003–2021	06 Apr 2021	94	—	MPC · JPL
–	2003 YQ70	MCA	19.2	430 m	single	8 days	30 Dec 2003	28	—	MPC · JPL
5	2003 YS70	APO	29.1	5 m	single	5 days	27 Dec 2003	70	—	MPC · JPL
7	2003 YT70	AMO	25.8	25 m	single	22 days	13 Jan 2004	24	—	MPC · JPL
0	2003 YS73	MBA-O	16.5	2.8 km	multiple	2003–2020	25 Dec 2020	188	Alt.: 2010 HS9	MPC · JPL
2	2003 YA74	MBA-O	17.2	2.0 km	multiple	2003–2018	13 Dec 2018	26	—	MPC · JPL
0	2003 YO74	MBA-M	16.8	1.3 km	multiple	2003–2021	04 Jan 2021	87	—	MPC · JPL
1	2003 YO80	MBA-O	16.6	3.5 km	multiple	2003–2021	10 Apr 2021	98	Alt.: 2010 CL195	MPC · JPL
0	2003 YE86	MBA-O	16.14	3.3 km	multiple	2003–2021	01 Apr 2021	145	Alt.: 2010 HT14, 2015 AE1	MPC · JPL
0	2003 YA92	MBA-O	14.64	6.6 km	multiple	2002–2022	13 Jan 2022	375	Alt.: 2006 FO52, 2008 WS141, 2010 EW54, 2013 LT6	MPC · JPL
0	2003 YX92	MBA-M	16.9	1.8 km	multiple	2003–2021	13 Jan 2021	109	Alt.: 2006 SY421	MPC · JPL
0	2003 YN93	MBA-M	17.72	1.6 km	multiple	2003–2022	08 Jan 2022	32	—	MPC · JPL
7	2003 YP94	APO	23.8	62 m	single	11 days	02 Jan 2004	38	AMO at MPC	MPC · JPL
1	2003 YV97	MBA-M	17.2	1.5 km	multiple	2003–2021	10 Jan 2021	309	Alt.: 2007 RY198	MPC · JPL
0	2003 YL106	MBA-M	17.16	2.1 km	multiple	2003–2022	06 Jan 2022	149	Alt.: 2014 HB160	MPC · JPL
0	2003 YH107	MBA-M	17.1	1.6 km	multiple	2003–2021	12 Jan 2021	128	Alt.: 2016 XS19	MPC · JPL
2	2003 YN107	ATE	26.5	18 m	multiple	2003–2005	31 Mar 2005	45	—	MPC · JPL
0	2003 YC108	MBA-M	16.5	1.5 km	multiple	2000–2021	12 Jun 2021	120	—	MPC · JPL
0	2003 YE108	MBA-I	18.07	720 m	multiple	2003–2021	02 Dec 2021	94	Disc.: LINEAR Added on 5 November 2021	MPC · JPL
0	2003 YM109	MBA-M	17.02	1.2 km	multiple	2000–2021	18 May 2021	186	Alt.: 2005 JX59, 2016 AC189	MPC · JPL
0	2003 YS110	HUN	17.8	820 m	multiple	2003–2020	24 Jan 2020	142	Alt.: 2012 BP35, 2014 WA495, 2016 TO10	MPC · JPL
1	2003 YT110	MBA-O	18.2	1.3 km	multiple	1997–2020	17 Dec 2020	97	—	MPC · JPL
0	2003 YU110	MBA-M	17.2	1.1 km	multiple	1998–2020	23 Oct 2020	101	Disc.: Piszkéstető Stn. Added on 13 September 2020 Alt.: 2015 VZ31	MPC · JPL
1	2003 YV110	MBA-M	17.5	940 m	multiple	2002–2019	05 Nov 2019	91	—	MPC · JPL
6	2003 YH111	APO	24.5	45 m	single	2 days	29 Dec 2003	115	—	MPC · JPL
0	2003 YJ112	MBA-O	15.85	3.8 km	multiple	2003–2021	08 Apr 2021	82	Alt.: 2010 KQ65	MPC · JPL
0	2003 YC115	MBA-O	17.09	2.1 km	multiple	2003–2021	06 Apr 2021	64	Alt.: 2014 YO7	MPC · JPL
0	2003 YG115	MBA-M	17.22	1.1 km	multiple	2003–2021	13 May 2021	63	Alt.: 2017 HK33	MPC · JPL
0	2003 YA116	MBA-O	15.93	3.6 km	multiple	2003–2021	17 May 2021	204	—	MPC · JPL
–	2003 YJ117	MCA	18.2	680 m	single	38 days	24 Jan 2004	24	—	MPC · JPL
7	2003 YR117	APO	22.9	93 m	single	15 days	12 Jan 2004	45	—	MPC · JPL
0	2003 YE118	MBA-I	18.10	710 m	multiple	2003–2021	08 Aug 2021	73	—	MPC · JPL
0	2003 YL118	APO	21.83	150 m	multiple	2003–2022	03 Jan 2022	110	Potentially hazardous object	MPC · JPL
0	2003 YX118	MBA-M	16.66	2.0 km	multiple	2001–2021	31 Mar 2021	199	—	MPC · JPL
0	2003 YP119	MBA-O	16.97	2.2 km	multiple	2003–2021	02 Apr 2021	139	Alt.: 2015 DH105	MPC · JPL
3	2003 YA120	MBA-M	16.6	1.4 km	multiple	2003–2021	06 Apr 2021	46	Alt.: 2007 YP6	MPC · JPL
0	2003 YV121	MBA-O	16.14	3.3 km	multiple	2003–2021	02 May 2021	142	—	MPC · JPL
0	2003 YW123	MBA-I	18.26	660 m	multiple	2001–2021	06 May 2021	93	Disc.: LPL/Spacewatch II Added on 9 March 2021	MPC · JPL
0	2003 YJ124	MBA-M	16.2	2.4 km	multiple	2003–2021	17 Jan 2021	116	Alt.: 2006 OB18, 2010 MV3, 2019 QH8	MPC · JPL
0	2003 YK124	MBA-M	17.95	1.1 km	multiple	2003–2021	13 May 2021	115	—	MPC · JPL
0	2003 YM124	MBA-M	18.09	720 m	multiple	2003–2021	09 Apr 2021	74	—	MPC · JPL
0	2003 YW124	HUN	18.04	730 m	multiple	2003–2022	18 Jan 2022	234	—	MPC · JPL
1	2003 YK132	MCA	19.5	370 m	multiple	2003–2021	11 Mar 2021	71	Disc.: LINEAR Added on 11 May 2021 Alt.: 2013 TA213	MPC · JPL
7	2003 YG136	ATE	25.3	31 m	single	4 days	01 Jan 2004	21	—	MPC · JPL
7	2003 YH136	APO	19.4	470 m	single	14 days	11 Jan 2004	33	Potentially hazardous object	MPC · JPL
6	2003 YJ136	MCA	20.4	250 m	single	21 days	19 Jan 2004	28	—	MPC · JPL
0	2003 YG139	MBA-O	15.9	3.7 km	multiple	2003–2021	19 Jan 2021	278	—	MPC · JPL
0	2003 YR139	MBA-M	16.50	1.5 km	multiple	2003–2021	17 May 2021	77	Disc.: LINEAR Added on 17 January 2021	MPC · JPL
1	2003 YQ140	MBA-M	16.9	1.2 km	multiple	2003–2020	14 May 2020	75	Alt.: 2006 UH294, 2014 OJ278	MPC · JPL
0	2003 YA141	MBA-M	16.7	1.4 km	multiple	2003–2021	09 Jun 2021	230	—	MPC · JPL
2	2003 YV141	MBA-M	17.13	1.1 km	multiple	2003–2021	15 Apr 2021	42	—	MPC · JPL
0	2003 YY141	MBA-M	17.55	920 m	multiple	2003–2021	08 Apr 2021	117	—	MPC · JPL
0	2003 YH142	MBA-M	17.41	980 m	multiple	2003–2021	03 May 2021	124	—	MPC · JPL
0	2003 YF148	MBA-M	16.8	1.3 km	multiple	2002–2021	09 Jun 2021	95	Alt.: 2002 QQ128	MPC · JPL
0	2003 YC150	MBA-O	16.9	2.3 km	multiple	2003–2020	13 May 2020	152	—	MPC · JPL
2	2003 YA152	MCA	19.3	410 m	multiple	2003–2019	09 Feb 2019	79	Alt.: 2018 VN4	MPC · JPL
0	2003 YH152	MBA-O	16.96	2.3 km	multiple	2003–2021	17 Apr 2021	73	—	MPC · JPL
1	2003 YH153	MCA	18.6	570 m	multiple	2003–2017	11 Oct 2017	84	—	MPC · JPL
0	2003 YW155	MBA-M	17.09	2.1 km	multiple	1994–2022	21 Jan 2022	77	—	MPC · JPL
0	2003 YC157	MBA-O	17.1	2.1 km	multiple	2003–2021	14 Jan 2021	88	—	MPC · JPL
0	2003 YF157	MBA-M	17.49	1.8 km	multiple	2000–2021	27 Nov 2021	70	Alt.: 2019 JN31	MPC · JPL
0	2003 YK157	JT	13.58	11 km	multiple	2001–2021	30 Jul 2021	213	Trojan camp (L5)	MPC · JPL
0	2003 YZ161	MBA-O	16.7	2.5 km	multiple	2003–2021	18 Mar 2021	94	Disc.: Spacewatch Added on 11 May 2021 Alt.: 2015 AQ51	MPC · JPL
0	2003 YM162	MBA-M	16.17	1.7 km	multiple	2001–2021	02 Apr 2021	278	Alt.: 2010 EN3	MPC · JPL
0	2003 YX162	MBA-O	15.7	4.0 km	multiple	2003–2021	18 Jan 2021	137	Alt.: 2010 HJ36	MPC · JPL
2	2003 YA164	MBA-O	17.1	2.1 km	multiple	2003–2020	17 Dec 2020	51	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
2	2003 YT165	MBA-M	18.1	710 m	multiple	2003–2019	17 Dec 2019	43	—	MPC · JPL
0	2003 YB166	MBA-O	16.6	2.7 km	multiple	2002–2021	18 Jan 2021	94	—	MPC · JPL
0	2003 YR166	MBA-I	18.3	650 m	multiple	1996–2020	09 Sep 2020	95	Alt.: 2013 QH47	MPC · JPL
0	2003 YA167	MBA-M	17.9	1.1 km	multiple	2003–2020	16 Oct 2020	67	—	MPC · JPL
0	2003 YW170	MBA-M	16.94	2.3 km	multiple	2003–2021	28 Dec 2021	160	Alt.: 2007 VQ206	MPC · JPL
0	2003 YB172	MBA-M	17.87	790 m	multiple	2003–2021	12 May 2021	96	Alt.: 2014 OC68, 2015 XU171	MPC · JPL
0	2003 YH173	MBA-O	16.9	2.3 km	multiple	2003–2020	21 Apr 2020	45	—	MPC · JPL
0	2003 YV173	MBA-O	17.53	1.7 km	multiple	2003–2021	09 Apr 2021	53	Alt.: 2010 KC77	MPC · JPL
0	2003 YX173	MBA-M	16.8	1.8 km	multiple	2003–2021	13 Jan 2021	105	Alt.: 2007 VL371	MPC · JPL
0	2003 YU174	MBA-M	16.73	1.9 km	multiple	2003–2021	01 Apr 2021	207	Alt.: 2013 GM13	MPC · JPL
0	2003 YY174	MBA-I	17.88	790 m	multiple	2003–2021	06 Nov 2021	103	Alt.: 2008 CQ153, 2014 YW47	MPC · JPL
0	2003 YF176	MBA-M	17.7	1.6 km	multiple	2003–2020	22 Sep 2020	59	Disc.: Mauna Kea Obs. Added on 19 October 2020	MPC · JPL
0	2003 YG176	MBA-I	19.5	370 m	multiple	2003–2021	12 Aug 2021	33	Disc.: Mauna Kea Obs. Added on 21 August 2021 Alt.: 2014 WQ14	MPC · JPL
1	2003 YH176	MBA-O	17.3	1.9 km	multiple	2003–2021	04 Jan 2021	43	Alt.: 2005 GJ195, 2010 AA18	MPC · JPL
0	2003 YL176	MBA-I	18.5	590 m	multiple	2002–2020	13 Sep 2020	67	—	MPC · JPL
0	2003 YT176	MBA-O	17.47	1.8 km	multiple	2003–2021	16 Jan 2021	58	Disc.: Mauna Kea Obs. Added on 30 September 2021 Alt.: 2005 EH312, 2014 WN457	MPC · JPL
0	2003 YV176	MBA-O	17.31	1.9 km	multiple	2000–2021	11 Sep 2021	142	Alt.: 2017 SK114	MPC · JPL
0	2003 YY176	MBA-M	18.23	1.3 km	multiple	2003–2021	07 Nov 2021	41	Disc.: Mauna Kea Obs. Added on 22 July 2020	MPC · JPL
0	2003 YB177	MBA-M	18.2	680 m	multiple	2003–2021	13 Feb 2021	40	Disc.: Mauna Kea Obs. Added on 9 March 2021	MPC · JPL
0	2003 YK177	MBA-M	17.9	1.5 km	multiple	2003–2021	07 Nov 2021	26	Disc.: Mauna Kea Obs. Added on 29 January 2022	MPC · JPL
0	2003 YU177	MBA-M	17.3	1.5 km	multiple	2003–2021	18 Jan 2021	115	—	MPC · JPL
0	2003 YN178	MBA-M	18.16	980 m	multiple	2003–2022	25 Jan 2022	48	—	MPC · JPL
0	2003 YP178	MBA-O	16.5	2.8 km	multiple	2003–2020	22 Dec 2020	49	—	MPC · JPL
2	2003 YJ179	TNO	7.1	126 km	multiple	2003–2019	08 Feb 2019	28	LoUTNOs, cubewano (cold)	MPC · JPL
2	2003 YK179	TNO	7.5	132 km	multiple	2003–2012	14 Nov 2012	19	LoUTNOs, other TNO	MPC · JPL
3	2003 YM179	TNO	8.0	105 km	multiple	2003–2020	18 Feb 2020	12	LoUTNOs, other TNO	MPC · JPL
3	2003 YN179	TNO	6.8	145 km	multiple	2002–2013	06 Nov 2013	19	LoUTNOs, cubewano (cold)	MPC · JPL
4	2003 YP179	TNO	7.35	113 km	multiple	2003–2021	11 Jan 2021	22	LoUTNOs, cubewano (cold)	MPC · JPL
2	2003 YQ179	TNO	7.07	145 km	multiple	2003–2021	20 Mar 2021	105	LoUTNOs, SDO	MPC · JPL
2	2003 YR179	TNO	7.1	195 km	multiple	2003–2019	08 Feb 2019	16	LoUTNOs, cubewano (hot)	MPC · JPL
2	2003 YS179	TNO	6.8	109 km	multiple	2003–2020	04 Jan 2020	23	LoUTNOs, cubewano (cold), binary: 95 km	MPC · JPL
2	2003 YT179	TNO	7.1	126 km	multiple	2003–2020	18 Feb 2020	19	LoUTNOs, cubewano (cold)	MPC · JPL
3	2003 YU179	TNO	6.92	137 km	multiple	2003–2021	20 Mar 2021	36	LoUTNOs, cubewano (cold), binary: 88 km	MPC · JPL
5	2003 YV179	TNO	6.99	166 km	multiple	2003–2021	11 Jan 2021	21	LoUTNOs, other TNO	MPC · JPL
3	2003 YX179	TNO	7.0	132 km	multiple	2003–2020	04 Jan 2020	20	LoUTNOs, cubewano (cold)	MPC · JPL
E	2003 YY179	TNO	9.1	72 km	single	74 days	16 Dec 2003	6	LoUTNOs, plutino?	MPC · JPL
E	2003 YZ179	TNO	7.6	104 km	single	113 days	15 Apr 2004	5	LoUTNOs, cubewano?	MPC · JPL
0	2003 YB181	MBA-O	17.1	3.4 km	multiple	2003–2020	18 Apr 2020	131	—	MPC · JPL
0	2003 YZ182	MBA-O	16.71	2.5 km	multiple	2003–2021	17 Apr 2021	86	—	MPC · JPL
0	2003 YA183	MBA-O	16.38	2.9 km	multiple	2003–2021	20 May 2021	139	—	MPC · JPL
0	2003 YB183	MBA-M	17.28	1.5 km	multiple	2003–2021	06 May 2021	214	—	MPC · JPL
0	2003 YC183	MBA-I	18.16	690 m	multiple	2003–2021	01 Nov 2021	149	—	MPC · JPL
0	2003 YE183	MBA-I	17.65	880 m	multiple	2003–2021	09 May 2021	129	—	MPC · JPL
0	2003 YK183	MBA-M	17.48	1.8 km	multiple	2003–2021	02 Dec 2021	119	—	MPC · JPL
0	2003 YP183	MBA-I	18.1	710 m	multiple	2003–2020	23 Mar 2020	79	—	MPC · JPL
0	2003 YR183	MBA-O	16.55	2.7 km	multiple	2003–2021	09 May 2021	128	—	MPC · JPL
0	2003 YT183	MBA-I	18.3	650 m	multiple	2003–2021	18 Jan 2021	90	—	MPC · JPL
0	2003 YV183	MBA-M	17.10	1.1 km	multiple	2003–2021	01 May 2021	140	—	MPC · JPL
0	2003 YW183	MBA-I	17.69	860 m	multiple	2002–2022	24 Jan 2022	175	—	MPC · JPL
0	2003 YY183	MBA-O	16.47	2.8 km	multiple	2003–2021	03 May 2021	125	—	MPC · JPL
0	2003 YZ183	MBA-I	17.88	790 m	multiple	2003–2021	10 May 2021	122	—	MPC · JPL
1	2003 YA184	MBA-I	18.4	620 m	multiple	2003–2021	05 Jan 2021	162	—	MPC · JPL
0	2003 YB184	MBA-I	18.4	620 m	multiple	2003–2020	22 Apr 2020	61	—	MPC · JPL
0	2003 YG184	MBA-O	16.3	3.1 km	multiple	2003–2021	15 Jan 2021	94	—	MPC · JPL
0	2003 YH184	MBA-M	17.29	1.9 km	multiple	2003–2021	30 Nov 2021	100	—	MPC · JPL
0	2003 YK184	MBA-O	16.1	3.4 km	multiple	2003–2021	17 Jan 2021	107	—	MPC · JPL
0	2003 YL184	MBA-I	17.42	980 m	multiple	2003–2021	15 May 2021	141	—	MPC · JPL
0	2003 YM184	MBA-M	18.0	750 m	multiple	2003–2021	14 Jan 2021	74	—	MPC · JPL
0	2003 YO184	MBA-O	16.4	2.9 km	multiple	2003–2021	17 Jan 2021	111	—	MPC · JPL
0	2003 YP184	MBA-M	17.66	1.6 km	multiple	2003–2021	29 Dec 2021	82	—	MPC · JPL
0	2003 YQ184	MBA-I	18.0	750 m	multiple	2003–2020	15 Dec 2020	95	—	MPC · JPL
0	2003 YR184	MBA-M	17.1	1.6 km	multiple	2003–2021	05 Jan 2021	84	—	MPC · JPL
0	2003 YS184	MBA-O	16.6	2.7 km	multiple	2003–2021	06 Jan 2021	93	—	MPC · JPL
0	2003 YT184	MBA-M	17.2	1.5 km	multiple	2003–2021	11 Jan 2021	149	—	MPC · JPL
1	2003 YU184	MBA-I	18.8	520 m	multiple	2003–2017	13 Nov 2017	56	—	MPC · JPL
0	2003 YV184	MBA-O	17.29	1.9 km	multiple	2003–2021	06 Oct 2021	61	—	MPC · JPL
0	2003 YY184	MCA	17.9	780 m	multiple	2003–2020	22 Jul 2020	54	—	MPC · JPL
0	2003 YZ184	HUN	18.3	650 m	multiple	2003–2021	08 Jan 2021	58	—	MPC · JPL
0	2003 YA185	MBA-I	18.5	590 m	multiple	2003–2020	16 Dec 2020	75	—	MPC · JPL
0	2003 YB185	MBA-O	16.3	3.1 km	multiple	2003–2021	13 Jan 2021	56	—	MPC · JPL
0	2003 YD185	MBA-I	18.52	590 m	multiple	2003–2022	07 Jan 2022	124	—	MPC · JPL
0	2003 YF185	MBA-I	18.5	590 m	multiple	2003–2021	23 Jan 2021	79	—	MPC · JPL
0	2003 YG185	MBA-I	18.5	590 m	multiple	2003–2020	22 Sep 2020	90	—	MPC · JPL
0	2003 YH185	MBA-M	17.7	1.2 km	multiple	2003–2020	05 Nov 2020	59	—	MPC · JPL
0	2003 YJ185	MBA-O	16.7	2.5 km	multiple	2003–2021	17 Jan 2021	94	—	MPC · JPL
0	2003 YK185	MBA-O	15.9	3.7 km	multiple	2003–2021	18 Jan 2021	129	Alt.: 2010 JU6	MPC · JPL
0	2003 YL185	MBA-M	17.16	1.1 km	multiple	2003–2021	09 May 2021	138	—	MPC · JPL
0	2003 YM185	MBA-I	18.43	610 m	multiple	2003–2021	14 Jun 2021	74	—	MPC · JPL
0	2003 YN185	MBA-O	16.95	2.3 km	multiple	2003–2021	09 May 2021	55	—	MPC · JPL
0	2003 YO185	MBA-M	17.79	1.5 km	multiple	2003–2022	05 Jan 2022	118	—	MPC · JPL
0	2003 YP185	MBA-M	16.7	1.4 km	multiple	2002–2019	30 Dec 2019	68	—	MPC · JPL
0	2003 YQ185	MBA-I	18.4	620 m	multiple	2003–2019	24 Dec 2019	59	—	MPC · JPL
0	2003 YS185	HUN	18.00	750 m	multiple	2003–2021	07 May 2021	133	—	MPC · JPL
0	2003 YT185	MBA-M	17.29	1.5 km	multiple	2003–2022	27 Jan 2022	122	—	MPC · JPL
0	2003 YU185	MBA-I	18.7	540 m	multiple	1996–2020	08 Dec 2020	84	—	MPC · JPL
0	2003 YV185	MBA-O	16.6	2.7 km	multiple	2003–2021	18 Jan 2021	58	—	MPC · JPL
0	2003 YW185	MBA-M	17.95	1.4 km	multiple	2003–2021	01 Nov 2021	59	—	MPC · JPL
0	2003 YX185	MBA-M	16.87	1.8 km	multiple	2000–2022	19 Jan 2022	94	—	MPC · JPL
0	2003 YY185	MBA-I	19.25	420 m	multiple	2003–2022	25 Jan 2022	51	—	MPC · JPL
0	2003 YZ185	MBA-I	18.56	580 m	multiple	2003–2021	30 Nov 2021	85	—	MPC · JPL
0	2003 YA186	MBA-M	17.1	1.1 km	multiple	2003–2021	21 Jan 2021	56	—	MPC · JPL
0	2003 YB186	MBA-I	18.7	540 m	multiple	2003–2020	10 Oct 2020	60	—	MPC · JPL
0	2003 YD186	MBA-I	18.70	540 m	multiple	2003–2021	08 Dec 2021	59	—	MPC · JPL
0	2003 YE186	MBA-M	17.5	1.3 km	multiple	2003–2020	19 Nov 2020	72	Alt.: 2013 AJ170	MPC · JPL
1	2003 YF186	MCA	18.2	680 m	multiple	2003–2018	05 Jan 2018	35	—	MPC · JPL
0	2003 YH186	MBA-O	16.8	2.4 km	multiple	2003–2021	22 Jan 2021	81	Alt.: 2010 HX35	MPC · JPL
0	2003 YJ186	MBA-O	16.66	2.6 km	multiple	2003–2021	11 May 2021	106	Alt.: 2010 JY12	MPC · JPL
1	2003 YK186	MBA-I	18.4	620 m	multiple	2003–2019	21 Aug 2019	30	—	MPC · JPL
0	2003 YL186	MBA-I	18.19	680 m	multiple	2003–2021	05 Nov 2021	91	—	MPC · JPL
0	2003 YM186	MBA-O	17.37	1.9 km	multiple	2003–2021	19 May 2021	81	—	MPC · JPL
0	2003 YN186	MBA-I	18.2	680 m	multiple	1996–2020	17 Oct 2020	62	—	MPC · JPL
0	2003 YP186	HUN	18.3	650 m	multiple	2003–2019	04 Nov 2019	55	—	MPC · JPL
1	2003 YQ186	MBA-M	17.7	1.2 km	multiple	2003–2016	10 Nov 2016	23	—	MPC · JPL
0	2003 YR186	MBA-O	16.49	2.8 km	multiple	2003–2021	14 Apr 2021	159	—	MPC · JPL
0	2003 YS186	MBA-O	15.9	3.7 km	multiple	2003–2021	18 Jan 2021	139	—	MPC · JPL
0	2003 YT186	MBA-O	16.18	3.2 km	multiple	2003–2021	09 Jun 2021	137	—	MPC · JPL
0	2003 YU186	MBA-M	17.80	820 m	multiple	2003–2021	10 May 2021	97	—	MPC · JPL
1	2003 YW186	MBA-I	18.0	750 m	multiple	2003–2019	25 Nov 2019	87	—	MPC · JPL
0	2003 YY186	MBA-O	16.1	3.4 km	multiple	2003–2020	23 Dec 2020	94	—	MPC · JPL
0	2003 YZ186	MBA-O	16.6	2.7 km	multiple	2003–2021	17 Jan 2021	86	—	MPC · JPL
0	2003 YA187	MBA-M	17.3	1.5 km	multiple	2003–2020	16 Nov 2020	117	—	MPC · JPL
0	2003 YC187	MBA-O	16.6	2.7 km	multiple	2003–2021	18 Jan 2021	71	—	MPC · JPL
0	2003 YD187	MBA-O	17.0	2.2 km	multiple	2003–2020	25 May 2020	70	—	MPC · JPL
0	2003 YE187	MBA-O	16.0	3.5 km	multiple	2003–2021	04 Jan 2021	91	—	MPC · JPL
0	2003 YF187	MBA-M	17.84	800 m	multiple	2003–2021	17 Apr 2021	73	—	MPC · JPL
0	2003 YG187	MBA-O	16.62	2.6 km	multiple	2003–2021	14 May 2021	121	Alt.: 2010 KD20	MPC · JPL
0	2003 YH187	MBA-O	16.9	2.3 km	multiple	2003–2019	08 Feb 2019	62	—	MPC · JPL
1	2003 YJ187	MBA-M	17.7	860 m	multiple	2003–2019	20 Dec 2019	60	—	MPC · JPL
0	2003 YK187	MBA-O	16.22	3.2 km	multiple	1993–2021	04 May 2021	167	—	MPC · JPL
0	2003 YM187	MBA-O	16.8	2.4 km	multiple	2003–2021	18 Jan 2021	73	—	MPC · JPL
0	2003 YN187	MBA-I	17.98	750 m	multiple	1993–2021	10 Dec 2021	135	Alt.: 1993 BM9	MPC · JPL
0	2003 YO187	MBA-O	16.6	2.7 km	multiple	2003–2020	22 Dec 2020	69	—	MPC · JPL
0	2003 YQ187	MBA-O	17.0	2.2 km	multiple	2002–2020	21 Jan 2020	72	—	MPC · JPL
0	2003 YR187	MBA-M	17.70	1.6 km	multiple	2003–2021	13 Sep 2021	58	—	MPC · JPL
0	2003 YS187	MBA-M	16.7	1.9 km	multiple	2003–2021	06 Jan 2021	74	—	MPC · JPL
0	2003 YT187	MBA-O	16.76	2.5 km	multiple	2003–2021	10 May 2021	94	—	MPC · JPL
0	2003 YU187	MBA-O	16.6	2.7 km	multiple	2003–2021	09 Jan 2021	53	—	MPC · JPL
0	2003 YW187	MBA-I	18.05	730 m	multiple	2003–2021	06 Nov 2021	99	—	MPC · JPL
0	2003 YX187	MBA-I	17.9	780 m	multiple	2003–2020	16 Apr 2020	54	—	MPC · JPL
0	2003 YY187	MBA-M	17.91	780 m	multiple	2003–2021	08 May 2021	71	—	MPC · JPL
0	2003 YZ187	MBA-O	17.86	1.5 km	multiple	2003–2019	07 May 2019	48	—	MPC · JPL
0	2003 YA188	MBA-I	18.95	480 m	multiple	2003–2021	05 Jun 2021	49	—	MPC · JPL
0	2003 YB188	MBA-O	17.06	2.2 km	multiple	2003–2021	03 May 2021	70	—	MPC · JPL
0	2003 YC188	MBA-I	18.31	650 m	multiple	2003–2021	07 Nov 2021	64	—	MPC · JPL
1	2003 YD188	MCA	19.3	410 m	multiple	2003–2019	03 Jan 2019	31	—	MPC · JPL
0	2003 YE188	MBA-I	17.9	780 m	multiple	2003–2020	09 Oct 2020	72	—	MPC · JPL
0	2003 YF188	HUN	18.6	570 m	multiple	2003–2020	22 Jan 2020	53	—	MPC · JPL
1	2003 YG188	MBA-M	18.20	680 m	multiple	2003–2021	06 Apr 2021	47	—	MPC · JPL
0	2003 YH188	MBA-I	18.86	500 m	multiple	2003–2021	04 Oct 2021	33	—	MPC · JPL
0	2003 YJ188	MBA-O	16.5	2.8 km	multiple	2003–2021	07 Jun 2021	79	—	MPC · JPL
0	2003 YK188	MBA-I	18.63	560 m	multiple	2003–2021	08 Nov 2021	55	—	MPC · JPL
2	2003 YL188	MBA-O	17.6	1.7 km	multiple	2003–2019	05 Feb 2019	27	—	MPC · JPL
2	2003 YM188	MBA-M	18.8	520 m	multiple	2003–2019	25 Sep 2019	43	Alt.: 2007 VN258	MPC · JPL
0	2003 YQ188	MBA-I	18.1	710 m	multiple	2003–2021	18 Jan 2021	76	—	MPC · JPL
0	2003 YR188	MBA-I	17.8	820 m	multiple	2003–2020	22 Mar 2020	70	—	MPC · JPL
0	2003 YS188	MBA-O	17.1	2.1 km	multiple	2003–2020	16 May 2020	50	—	MPC · JPL
0	2003 YU188	MBA-I	18.53	580 m	multiple	2003–2022	24 Jan 2022	45	—	MPC · JPL
0	2003 YV188	MBA-M	18.1	710 m	multiple	2003–2021	23 Jan 2021	70	—	MPC · JPL
0	2003 YW188	MBA-O	17.2	2.0 km	multiple	2003–2020	18 Apr 2020	84	Alt.: 2010 BN26	MPC · JPL
0	2003 YX188	MBA-M	17.8	820 m	multiple	2003–2020	11 Dec 2020	65	—	MPC · JPL
0	2003 YZ188	MBA-I	18.8	520 m	multiple	2003–2019	06 Jan 2019	44	—	MPC · JPL
0	2003 YA189	MBA-I	18.3	650 m	multiple	2003–2021	18 Jan 2021	97	—	MPC · JPL
0	2003 YB189	MBA-O	16.90	2.3 km	multiple	2003–2021	09 Apr 2021	96	Alt.: 2010 JK191	MPC · JPL
0	2003 YC189	MBA-M	17.96	760 m	multiple	2003–2021	13 May 2021	76	—	MPC · JPL
1	2003 YD189	MBA-M	17.7	860 m	multiple	2003–2019	08 Nov 2019	53	—	MPC · JPL
0	2003 YE189	MBA-O	16.91	2.3 km	multiple	2003–2021	02 Apr 2021	81	Alt.: 2010 HO129	MPC · JPL
0	2003 YF189	MBA-M	17.97	760 m	multiple	2003–2021	15 Apr 2021	88	—	MPC · JPL
0	2003 YG189	MBA-O	16.3	3.1 km	multiple	2003–2021	17 Jan 2021	64	—	MPC · JPL
0	2003 YH189	MBA-O	17.13	2.1 km	multiple	2003–2021	12 May 2021	80	—	MPC · JPL
0	2003 YK189	MBA-O	16.7	2.5 km	multiple	1992–2021	12 Jan 2021	52	—	MPC · JPL
0	2003 YL189	HUN	18.68	550 m	multiple	2003–2021	05 Jul 2021	49	—	MPC · JPL
0	2003 YM189	MBA-M	17.63	1.3 km	multiple	2003–2022	10 Jan 2022	44	—	MPC · JPL
0	2003 YN189	MBA-I	19.1	450 m	multiple	2003–2019	01 Nov 2019	66	—	MPC · JPL
0	2003 YO189	HIL	15.9	3.7 km	multiple	2003–2020	21 Jan 2020	58	—	MPC · JPL
1	2003 YP189	MBA-I	18.6	570 m	multiple	2003–2020	20 Jan 2020	57	—	MPC · JPL
0	2003 YR189	MBA-M	18.04	730 m	multiple	2003–2021	10 May 2021	88	—	MPC · JPL
0	2003 YS189	MBA-I	17.67	870 m	multiple	2003–2021	13 Jul 2021	80	—	MPC · JPL
0	2003 YT189	MBA-M	17.2	1.1 km	multiple	2003–2021	17 Jan 2021	62	—	MPC · JPL
0	2003 YV189	MBA-O	16.9	2.3 km	multiple	2003–2020	01 Jan 2020	56	—	MPC · JPL
0	2003 YW189	HUN	18.30	650 m	multiple	2003–2021	30 Oct 2021	71	—	MPC · JPL
0	2003 YX189	MBA-M	18.16	690 m	multiple	2003–2021	08 May 2021	41	—	MPC · JPL
0	2003 YY189	MBA-O	17.1	2.1 km	multiple	2003–2017	18 May 2017	28	—	MPC · JPL
2	2003 YZ189	MBA-M	18.4	620 m	multiple	2003–2019	05 Nov 2019	30	—	MPC · JPL
0	2003 YA190	MBA-M	17.8	1.2 km	multiple	2003–2020	11 Oct 2020	65	—	MPC · JPL
1	2003 YB190	MBA-O	17.3	1.9 km	multiple	2003–2020	23 Jan 2020	28	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
1	2003 YD190	MBA-M	17.4	1.4 km	multiple	2003–2021	18 Jan 2021	55	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	2003 YE190	MBA-M	17.6	1.3 km	multiple	1998–2020	16 Dec 2020	73	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
1	2003 YG190	MBA-M	18.6	800 m	multiple	2003–2020	14 Sep 2020	40	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
0	2003 YH190	MBA-M	18.2	960 m	multiple	2003–2021	15 Jan 2021	47	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
3	2003 YJ190	MBA-M	18.2	960 m	multiple	2003–2020	13 Oct 2020	29	Disc.: MLS Added on 17 January 2021	MPC · JPL
0	2003 YK190	MBA-O	16.9	2.3 km	multiple	2003–2021	17 Jan 2021	65	Disc.: LPL/Spacewatch II Added on 17 January 2021	MPC · JPL
1	2003 YM190	MBA-M	17.5	1.3 km	multiple	2003–2021	16 Jan 2021	66	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	2003 YN190	MBA-I	18.3	650 m	multiple	2003–2020	24 Oct 2020	38	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	2003 YP190	MBA-M	18.8	730 m	multiple	2003–2021	13 Jan 2021	39	Disc.: Spacewatch Added on 9 March 2021	MPC · JPL
0	2003 YR190	MBA-I	18.7	540 m	multiple	1999–2017	22 Oct 2017	31	Disc.: MLS Added on 17 June 2021	MPC · JPL
1	2003 YS190	HUN	18.6	570 m	multiple	2003–2021	18 Jun 2021	40	Disc.: Spacewatch Added on 21 August 2021	MPC · JPL
3	2003 YU190	MBA-O	17.6	1.7 km	multiple	2003–2019	08 Oct 2019	27	Disc.: Pan-STARRS Added on 30 September 2021	MPC · JPL
1	2003 YV190	MBA-O	17.2	2.0 km	multiple	2003–2019	04 Dec 2019	25	Disc.: MLS Added on 30 September 2021	MPC · JPL
0	2003 YW190	MBA-I	18.3	650 m	multiple	2002–2021	28 Sep 2021	48	Disc.: Pan-STARRS Added on 30 September 2021	MPC · JPL
0	2003 YX190	MBA-M	18.22	1.3 km	multiple	2003–2021	13 Sep 2021	33	Disc.: Pan-STARRS Added on 30 September 2021	MPC · JPL
1	2003 YY190	MBA-M	18.2	1.3 km	multiple	2003–2021	15 Sep 2021	19	Disc.: NEAT Added on 5 November 2021	MPC · JPL
0	2003 YZ190	MBA-M	17.6	900 m	multiple	2003–2021	14 May 2021	47	Disc.: SDSS Added on 24 December 2021	MPC · JPL
0	2003 YA191	HUN	19.28	410 m	multiple	2003–2022	12 Jan 2022	45	Disc.: Spacewatch Added on 24 December 2021	MPC · JPL
0	2003 YB191	MBA-I	19.28	410 m	multiple	2003–2021	04 Oct 2021	35	Disc.: Pan-STARRS Added on 24 December 2021	MPC · JPL
0	2003 YC191	HUN	19.41	390 m	multiple	2003–2022	25 Jan 2022	33	Disc.: No observations Added on 29 January 2022	MPC · JPL
1	2003 YD191	MBA-M	17.5	1.8 km	multiple	2003–2022	26 Jan 2022	45	Disc.: No observations Added on 29 January 2022	MPC · JPL

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References

^ "Data Available from the Minor Planet Center – MPCORB.DAT". Minor Planet Center. 29 January 2022. (doc)
^ "NEOWISE Diameters and Albedos – V2.0". PDS Small Bodies Node. 2019. Retrieved 1 February 2022.
^ Johnston, Wm. Robert (2 January 2022). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 1 February 2022.
^ "List Of Jupiter Trojans". Minor Planet Center. 26 January 2021. Retrieved 1 February 2022.

[MPCORB-1] "Data Available from the Minor Planet Center – MPCORB.DAT". Minor Planet Center. 29 January 2022. (doc)

[PDS-NEOWISE-diameters-2] "NEOWISE Diameters and Albedos – V2.0". PDS Small Bodies Node. 2019. Retrieved 1 February 2022.

[johnstonsarchive-TNO-list-3] Johnston, Wm. Robert (2 January 2022). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 1 February 2022.

[MPC-JupiterTrojans-4] "List Of Jupiter Trojans". Minor Planet Center. 26 January 2021. Retrieved 1 February 2022.

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