List of unnumbered minor planets: 2004 Y

This is a partial list of unnumbered minor planets for principal provisional designations assigned during 16–31 December 2004. As of January 2021, a total of 185 bodies remain unnumbered for this period.[1][2][3] Objects for this year are listed on the following pages: A–B · C · D–E · F · G–H · J–O · P–Q · R_i · R_ii · R_iii · S · T_i · T_ii · T_iii · T_iv · U–V · W–X and Y. Also see previous and next year.

Near-Earth obj.	MBA (inner)	MBA (outer)	Centaur
Mars-crosser	MBA (middle)	Jupiter trojan	Trans-Neptunian obj.

Y

U	Designation	Class	Physical		Observations				Description and notes	Ref
			H	D	Opp.	Arc	Last	Used
8	2004 YA	APO	24.9	37 m	single	2 days	18 Dec 2004	19	Disc.: LINEAR	MPC · JPL
8	2004 YC	ATE	25.6	27 m	single	5 days	19 Dec 2004	35	Disc.: LINEAR	MPC · JPL
8	2004 YD	ATE	24.0	56 m	single	9 days	26 Dec 2004	22	Disc.: LONEOS	MPC · JPL
6	2004 YE	AMO	24.9	37 m	single	19 days	03 Jan 2005	21	Disc.: LINEAR	MPC · JPL
0	2004 YF	MCA	17.4	1.4 km	multiple	2001–2018	17 Jun 2018	74	Disc.: LINEAR	MPC · JPL
1	2004 YL	HUN	18.3	650 m	multiple	2004–2019	05 Jul 2019	43	Disc.: LINEAR Alt.: 2014 NP49	MPC · JPL
8	2004 YQ	APO	24.4	47 m	single	2 days	20 Dec 2004	18	Disc.: LINEAR	MPC · JPL
1	2004 YR	APO	20.3	310 m	multiple	2004–2014	01 Jul 2014	134	Disc.: LINEAR	MPC · JPL
2	2004 YG1	APO	21.4	190 m	multiple	2004–2013	02 Aug 2013	94	Disc.: LINEAR	MPC · JPL
–	2004 YH1	MCA	17.7	1.2 km	single	1 day	20 Dec 2004	21	Disc.: LINEAR	MPC · JPL
5	2004 YJ1	AMO	20.7	260 m	single	15 days	02 Jan 2005	51	Disc.: LINEAR	MPC · JPL
1	2004 YK1	AMO	21.3	200 m	multiple	2004–2018	20 Mar 2018	47	Disc.: LINEAR	MPC · JPL
1	2004 YX1	MCA	17.7	1.2 km	multiple	2004–2018	22 May 2018	108	Disc.: MLS	MPC · JPL
1	2004 YX4	MBA-M	16.8	2.4 km	multiple	2004–2019	05 Feb 2019	58	Disc.: KLENOT Alt.: 2010 KR65	MPC · JPL
9	2004 YA5	ATE	22.6	110 m	single	13 days	31 Dec 2004	30	Disc.: LINEAR	MPC · JPL
–	2004 YB5	MCA	18.0	1.4 km	single	2 days	21 Dec 2004	28	Disc.: LINEAR	MPC · JPL
6	2004 YD5	APO	29.3	5 m	single	1 day	21 Dec 2004	21	Disc.: Spacewatch	MPC · JPL
0	2004 YJ5	MBA-M	16.4	2.2 km	multiple	1998–2020	23 Dec 2020	73	Disc.: Berg. Gladbach	MPC · JPL
1	2004 YW5	MCA	19.0	470 m	multiple	2004–2015	14 Jan 2015	75	Disc.: Spacewatch	MPC · JPL
0	2004 YH6	MBA-M	17.7	860 m	multiple	2004–2021	04 Jan 2021	107	Disc.: Spacewatch Alt.: 2009 BC191, 2012 XY102, 2015 PT99	MPC · JPL
0	2004 YA7	MBA-I	18.3	650 m	multiple	2004–2021	06 Jan 2021	148	Disc.: MLS	MPC · JPL
0	2004 YW7	MBA-M	17.3	1.9 km	multiple	2004–2020	13 May 2020	89	Disc.: MLS	MPC · JPL
0	2004 YE8	MBA-O	16.4	2.9 km	multiple	2004–2020	20 Dec 2020	83	Disc.: MLS	MPC · JPL
0	2004 YD9	MBA-I	17.4	980 m	multiple	2004–2020	21 May 2020	82	Disc.: MLS Alt.: 2014 WH173	MPC · JPL
0	2004 YJ11	MBA-O	17.0	2.2 km	multiple	1998–2020	07 Sep 2020	71	Disc.: Spacewatch Alt.: 1998 TJ23	MPC · JPL
0	2004 YN11	MBA-O	17.4	1.8 km	multiple	2004–2019	24 Sep 2019	35	Disc.: MLS	MPC · JPL
0	2004 YU12	MBA-O	17.5	1.8 km	multiple	2004–2020	14 Nov 2020	62	Disc.: MLS	MPC · JPL
0	2004 YC13	MBA-I	18.2	680 m	multiple	2004–2020	19 May 2020	68	Disc.: MLS	MPC · JPL
0	2004 YD13	MBA-I	18.4	620 m	multiple	2004–2018	10 Dec 2018	25	Disc.: MLS	MPC · JPL
0	2004 YE13	JT	13.7	10 km	multiple	2004–2020	24 Jun 2020	107	Disc.: MLS Trojan camp (L5)	MPC · JPL
0	2004 YS13	MBA-I	18.6	570 m	multiple	2000–2020	02 Feb 2020	62	Disc.: Spacewatch Alt.: 2000 XJ	MPC · JPL
–	2004 YF15	JT	13.8	9.7 km	single	2 days	20 Dec 2004	12	Disc.: MLS Trojan camp (L5)	MPC · JPL
1	2004 YH15	MBA-I	18.0	750 m	multiple	2004–2020	22 Mar 2020	74	Disc.: MLS Alt.: 2009 DM59, 2011 SR213, 2011 UY217, 2011 VU24	MPC · JPL
0	2004 YK15	JT	14.2	8.0 km	multiple	2004–2020	21 Jun 2020	54	Disc.: MLS Added on 17 January 2021 Trojan camp (L5)	MPC · JPL
0	2004 YS15	MBA-O	16.7	2.5 km	multiple	2004–2019	28 Dec 2019	59	Disc.: MLS	MPC · JPL
0	2004 YW16	MBA-O	16.8	2.4 km	multiple	2004–2021	16 Jan 2021	97	Disc.: MLS	MPC · JPL
0	2004 YC17	MBA-M	16.8	1.8 km	multiple	2004–2021	07 Jan 2021	172	Disc.: MLS Alt.: 2010 LG101	MPC · JPL
0	2004 YD17	MBA-M	17.2	1.5 km	multiple	2004–2020	12 Sep 2020	86	Disc.: MLS	MPC · JPL
0	2004 YM17	MBA-M	17.4	1.8 km	multiple	2003–2020	11 Jun 2020	65	Disc.: MLS Alt.: 2008 VC19	MPC · JPL
0	2004 YQ17	MBA-M	17.2	1.1 km	multiple	2004–2021	04 Jan 2021	121	Disc.: MLS Alt.: 2010 JL164, 2015 PZ112	MPC · JPL
0	2004 YX17	MBA-M	17.3	1.0 km	multiple	1999–2020	07 Dec 2020	94	Disc.: MLS Alt.: 2012 XC157	MPC · JPL
0	2004 YJ18	MBA-M	16.9	1.8 km	multiple	2004–2020	11 Sep 2020	85	Disc.: MLS	MPC · JPL
1	2004 YX18	MBA-M	17.6	1.7 km	multiple	2004–2017	20 Nov 2017	45	Disc.: MLS Alt.: 2013 YE106	MPC · JPL
0	2004 YJ19	MBA-M	17.3	1.5 km	multiple	2004–2020	17 Oct 2020	51	Disc.: MLS	MPC · JPL
0	2004 YA22	MBA-M	16.7	2.5 km	multiple	2004–2019	26 Feb 2019	104	Disc.: MLS	MPC · JPL
0	2004 YX23	MBA-O	16.3	3.1 km	multiple	1994–2021	04 Jan 2021	196	Disc.: Spacewatch Alt.: 1994 AO9, 2010 EE183, 2014 UB218	MPC · JPL
4	2004 YY23	AMO	19.4	470 m	single	44 days	04 Feb 2005	157	Disc.: CSS	MPC · JPL
0	2004 YG24	MBA-M	17.1	2.1 km	multiple	2004–2020	21 Jun 2020	60	Disc.: Spacewatch	MPC · JPL
0	2004 YM24	MBA-M	17.4	980 m	multiple	2004–2020	23 Oct 2020	87	Disc.: Spacewatch Alt.: 2008 YW66	MPC · JPL
2	2004 YN24	MBA-M	17.8	820 m	multiple	2000–2021	09 Jan 2021	77	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
1	2004 YY24	MBA-M	17.2	1.5 km	multiple	2004–2018	11 Feb 2018	65	Disc.: MLS	MPC · JPL
0	2004 YJ25	MBA-I	18.3	650 m	multiple	2004–2018	10 Dec 2018	41	Disc.: MLS	MPC · JPL
0	2004 YS25	MBA-O	16.6	2.7 km	multiple	2004–2021	16 Jan 2021	135	Disc.: MLS Alt.: 2010 EF179, 2015 AX206, 2016 EK30	MPC · JPL
0	2004 YT25	MBA-M	17.8	1.2 km	multiple	2004–2020	16 Oct 2020	67	Disc.: MLS Alt.: 2012 VS45	MPC · JPL
0	2004 YB26	MBA-O	16.3	3.0 km	multiple	2004–2020	12 Dec 2020	84	Disc.: MLS	MPC · JPL
0	2004 YD26	MBA-M	17.1	1.1 km	multiple	2004–2021	11 Jan 2021	126	Disc.: MLS Alt.: 2010 MR50	MPC · JPL
1	2004 YG26	MBA-O	16.0	3.5 km	multiple	2004–2019	30 Sep 2019	51	Disc.: MLS Alt.: 2010 DS101	MPC · JPL
0	2004 YO26	MBA-O	16.7	2.5 km	multiple	2004–2020	06 Dec 2020	83	Disc.: MLS	MPC · JPL
0	2004 YU26	MBA-I	17.9	780 m	multiple	2000–2020	28 Feb 2020	108	Disc.: MLS Alt.: 2009 BG108, 2015 VX134	MPC · JPL
1	2004 YX26	MBA-O	16.6	2.7 km	multiple	2004–2021	07 Jan 2021	55	Disc.: MLS Alt.: 2010 DO90	MPC · JPL
0	2004 YY26	MBA-O	16.6	2.7 km	multiple	2004–2020	20 Dec 2020	76	Disc.: MLS Alt.: 2011 FB22	MPC · JPL
0	2004 YT27	MBA-I	18.0	750 m	multiple	2004–2019	21 Dec 2019	83	Disc.: Spacewatch Alt.: 2009 BQ98	MPC · JPL
0	2004 YV27	MBA-O	16.6	2.7 km	multiple	2003–2020	16 Aug 2020	120	Disc.: Spacewatch Alt.: 2014 OF116, 2017 BQ43	MPC · JPL
0	2004 YZ27	MBA-M	16.4	2.9 km	multiple	2004–2020	17 May 2020	124	Disc.: LINEAR Alt.: 2009 WT43	MPC · JPL
0	2004 YB28	MBA-I	18.2	680 m	multiple	2004–2021	02 Jan 2021	150	Disc.: LINEAR Alt.: 2007 TW377	MPC · JPL
0	2004 YL28	MBA-I	18.5	590 m	multiple	2004–2021	04 Jan 2021	62	Disc.: Spacewatch	MPC · JPL
0	2004 YB29	MBA-O	16.6	2.7 km	multiple	2004–2020	14 Dec 2020	87	Disc.: Spacewatch Alt.: 2014 WM32, 2016 AL142	MPC · JPL
0	2004 YM29	MBA-O	15.2	5.1 km	multiple	2003–2021	06 Jan 2021	185	Disc.: Spacewatch Alt.: 2016 CH74	MPC · JPL
0	2004 YX29	MBA-M	17.2	1.1 km	multiple	2004–2021	14 Jan 2021	69	Disc.: Spacewatch	MPC · JPL
0	2004 YZ29	MBA-M	16.3	1.6 km	multiple	2000–2021	12 Jan 2021	188	Disc.: Spacewatch	MPC · JPL
1	2004 YE32	MCA	17.5	1.3 km	multiple	2004–2018	11 Jan 2018	53	Disc.: LONEOS	MPC · JPL
0	2004 YK32	MBA-O	16.2	3.2 km	multiple	2004–2020	08 Nov 2020	89	Disc.: MLS	MPC · JPL
0	2004 YG34	MBA-O	16.6	2.7 km	multiple	1998–2018	15 Sep 2018	84	Disc.: Spacewatch Alt.: 1998 SZ17, 2003 SM421	MPC · JPL
0	2004 YS34	MBA-O	16.7	3.5 km	multiple	2004–2020	16 Oct 2020	80	Disc.: MLS Alt.: 2010 AP123	MPC · JPL
0	2004 YD35	MBA-O	16.2	3.2 km	multiple	2003–2021	08 Jan 2021	122	Disc.: MLS Alt.: 2016 EM2	MPC · JPL
0	2004 YE35	MBA-M	17.1	1.6 km	multiple	2001–2020	16 Oct 2020	131	Disc.: Spacewatch	MPC · JPL
0	2004 YW35	MBA-I	17.8	820 m	multiple	2000–2019	19 Dec 2019	73	Disc.: MLS	MPC · JPL
0	2004 YC36	MBA-O	16.0	3.5 km	multiple	2004–2020	15 Dec 2020	130	Disc.: Spacewatch Alt.: 2012 LY8	MPC · JPL
0	2004 YS36	MBA-O	17.2	2.0 km	multiple	2004–2021	07 Jan 2021	68	Disc.: MLS Alt.: 2004 YC15, 2016 CS152	MPC · JPL
0	2004 YF37	JT	12.9	15 km	multiple	2000–2020	23 Jun 2020	220	Disc.: Spacewatch Trojan camp (L5) Alt.: 2012 QL17, 2013 QB47	MPC · JPL
0	2004 YP37	MBA-O	16.2	3.2 km	multiple	2004–2020	06 Dec 2020	131	Disc.: MLS	MPC · JPL
1	2004 YR37	MBA-M	17.9	1.1 km	multiple	2004–2020	10 Nov 2020	79	Disc.: MLS	MPC · JPL
0	2004 YT37	MBA-M	16.7	1.4 km	multiple	2004–2021	08 Jan 2021	142	Disc.: MLS	MPC · JPL
0	2004 YV37	MBA-M	17.0	1.7 km	multiple	2004–2020	16 Oct 2020	105	Disc.: MLS	MPC · JPL
0	2004 YW37	MBA-I	18.0	750 m	multiple	2004–2019	05 Feb 2019	77	Disc.: Spacewatch	MPC · JPL
0	2004 YX37	MBA-I	17.0	1.2 km	multiple	2004–2020	18 Jul 2020	152	Disc.: Spacewatch	MPC · JPL
0	2004 YY37	MBA-I	18.1	710 m	multiple	2004–2020	03 Dec 2020	89	Disc.: Spacewatch	MPC · JPL
0	2004 YZ37	MBA-M	17.1	1.6 km	multiple	2004–2019	28 Feb 2019	67	Disc.: Spacewatch	MPC · JPL
1	2004 YA38	MBA-M	16.9	1.2 km	multiple	2004–2021	11 Jan 2021	278	Disc.: CSS	MPC · JPL
0	2004 YB38	MBA-I	18.6	570 m	multiple	2004–2019	04 Feb 2019	66	Disc.: MLS	MPC · JPL
0	2004 YC38	MBA-O	16.1	3.4 km	multiple	2004–2020	17 Nov 2020	90	Disc.: Spacewatch	MPC · JPL
0	2004 YD38	MBA-M	17.0	1.7 km	multiple	2004–2019	27 May 2019	68	Disc.: Spacewatch	MPC · JPL
0	2004 YE38	MBA-I	17.1	1.1 km	multiple	2004–2020	21 Feb 2020	102	Disc.: Spacewatch	MPC · JPL
0	2004 YF38	MBA-M	17.3	1.9 km	multiple	2004–2020	20 May 2020	72	Disc.: Spacewatch	MPC · JPL
0	2004 YG38	MBA-M	16.9	1.8 km	multiple	2004–2018	11 Feb 2018	64	Disc.: MLS	MPC · JPL
0	2004 YH38	MBA-I	17.9	780 m	multiple	2004–2018	13 Dec 2018	62	Disc.: Spacewatch	MPC · JPL
0	2004 YJ38	HUN	18.6	570 m	multiple	2004–2018	23 Jan 2018	58	Disc.: Spacewatch	MPC · JPL
0	2004 YK38	MBA-I	18.7	540 m	multiple	2004–2020	16 Mar 2020	64	Disc.: MLS	MPC · JPL
0	2004 YL38	MBA-O	16.4	2.9 km	multiple	2004–2021	08 Jan 2021	109	Disc.: Spacewatch	MPC · JPL
0	2004 YM38	MBA-I	18.7	540 m	multiple	2004–2019	06 Apr 2019	50	Disc.: Spacewatch	MPC · JPL
2	2004 YN38	MBA-I	18.6	570 m	multiple	2004–2018	06 Oct 2018	57	Disc.: MLS	MPC · JPL
1	2004 YO38	MBA-M	16.9	1.2 km	multiple	2002–2021	16 Jan 2021	123	Disc.: Spacewatch Alt.: 2013 AJ195	MPC · JPL
0	2004 YP38	MBA-O	16.3	3.1 km	multiple	2004–2020	15 May 2020	66	Disc.: Spacewatch	MPC · JPL
0	2004 YQ38	MBA-M	17.5	940 m	multiple	2004–2020	20 Oct 2020	69	Disc.: Spacewatch	MPC · JPL
0	2004 YR38	MBA-O	15.8	3.9 km	multiple	2004–2020	06 Oct 2020	134	Disc.: Spacewatch	MPC · JPL
0	2004 YS38	MBA-M	17.6	1.3 km	multiple	2004–2020	10 Sep 2020	52	Disc.: Spacewatch	MPC · JPL
0	2004 YT38	MBA-O	16.2	3.2 km	multiple	2004–2021	09 Jan 2021	89	Disc.: MLS	MPC · JPL
2	2004 YU38	MBA-M	17.3	1.5 km	multiple	2004–2018	12 Jan 2018	44	Disc.: Spacewatch	MPC · JPL
0	2004 YV38	MBA-M	17.0	2.2 km	multiple	2004–2019	07 Apr 2019	44	Disc.: Spacewatch	MPC · JPL
0	2004 YW38	MBA-O	15.9	3.7 km	multiple	2004–2020	16 Nov 2020	70	Disc.: Spacewatch	MPC · JPL
0	2004 YX38	MBA-M	17.9	780 m	multiple	2004–2020	14 Sep 2020	73	Disc.: Spacewatch	MPC · JPL
0	2004 YY38	MBA-M	17.5	1.3 km	multiple	2004–2018	23 Jan 2018	45	Disc.: Spacewatch	MPC · JPL
0	2004 YZ38	MBA-O	16.1	3.4 km	multiple	2004–2020	12 Dec 2020	125	Disc.: Spacewatch	MPC · JPL
0	2004 YA39	MBA-O	16.5	2.8 km	multiple	2004–2021	09 Jan 2021	60	Disc.: MLS Alt.: 2016 BC3	MPC · JPL
0	2004 YB39	MBA-M	17.7	860 m	multiple	1991–2021	06 Jan 2021	135	Disc.: Spacewatch Alt.: 1995 SB44	MPC · JPL
0	2004 YC39	MBA-M	16.5	2.8 km	multiple	2004–2019	02 Jan 2019	45	Disc.: Spacewatch	MPC · JPL
0	2004 YD39	MBA-O	16.6	2.7 km	multiple	2004–2021	07 Jan 2021	69	Disc.: Spacewatch Alt.: 2010 BT124	MPC · JPL
0	2004 YE39	MBA-O	16.2	3.2 km	multiple	2004–2021	05 Jan 2021	92	Disc.: MLS Alt.: 2010 CU193	MPC · JPL
0	2004 YF39	MBA-I	18.4	620 m	multiple	2004–2020	26 Apr 2020	47	Disc.: Spacewatch	MPC · JPL
2	2004 YG39	MBA-I	18.9	490 m	multiple	2004–2018	12 Dec 2018	30	Disc.: Spacewatch	MPC · JPL
3	2004 YJ39	MBA-M	18.0	1.1 km	multiple	2004–2018	18 Feb 2018	28	Disc.: MLS	MPC · JPL
2	2004 YK39	MBA-M	17.7	1.2 km	multiple	2004–2020	25 Jul 2020	32	Disc.: MLS	MPC · JPL
1	2004 YL39	MBA-M	17.6	900 m	multiple	2004–2021	14 Jan 2021	179	Disc.: CSS	MPC · JPL
0	2004 YM39	MBA-O	16.8	2.4 km	multiple	2002–2020	07 Dec 2020	68	Disc.: MLS Alt.: 2010 CW214	MPC · JPL
0	2004 YN39	MBA-O	16.1	3.4 km	multiple	2004–2019	08 May 2019	69	Disc.: MLS	MPC · JPL
1	2004 YO39	MBA-I	18.3	650 m	multiple	2004–2019	29 Oct 2019	68	Disc.: MLS	MPC · JPL
0	2004 YP39	MBA-I	18.0	750 m	multiple	2004–2020	22 Jan 2020	72	Disc.: Spacewatch	MPC · JPL
0	2004 YQ39	MBA-O	16.7	2.5 km	multiple	2004–2021	13 Jan 2021	71	Disc.: Spacewatch	MPC · JPL
0	2004 YR39	MBA-I	18.5	590 m	multiple	2004–2020	16 Aug 2020	65	Disc.: Spacewatch	MPC · JPL
0	2004 YS39	MBA-M	16.9	1.8 km	multiple	2004–2020	15 Sep 2020	66	Disc.: MLS	MPC · JPL
0	2004 YT39	MBA-I	19.0	470 m	multiple	2004–2019	03 Dec 2019	58	Disc.: MLS	MPC · JPL
1	2004 YU39	MBA-I	18.7	540 m	multiple	2004–2018	15 Oct 2018	52	Disc.: Spacewatch	MPC · JPL
0	2004 YV39	HIL	15.6	4.2 km	multiple	2003–2020	24 Jan 2020	69	Disc.: MLS	MPC · JPL
0	2004 YW39	MBA-M	17.5	940 m	multiple	2004–2020	15 Dec 2020	69	Disc.: MLS	MPC · JPL
0	2004 YX39	MBA-I	18.4	620 m	multiple	2004–2020	23 Jun 2020	65	Disc.: Spacewatch	MPC · JPL
0	2004 YY39	MBA-M	17.1	1.6 km	multiple	2004–2020	11 Jul 2020	55	Disc.: Spacewatch	MPC · JPL
0	2004 YZ39	MBA-I	18.4	620 m	multiple	2004–2020	22 Aug 2020	69	Disc.: Spacewatch	MPC · JPL
0	2004 YA40	MBA-M	17.8	1.2 km	multiple	2004–2019	08 Apr 2019	48	Disc.: MLS	MPC · JPL
0	2004 YB40	MBA-M	17.6	1.3 km	multiple	2004–2019	07 May 2019	45	Disc.: Spacewatch	MPC · JPL
0	2004 YC40	MBA-O	16.8	2.4 km	multiple	2004–2018	19 May 2018	43	Disc.: MLS	MPC · JPL
1	2004 YD40	MBA-I	19.0	470 m	multiple	2004–2018	05 Nov 2018	43	Disc.: MLS	MPC · JPL
0	2004 YE40	MBA-M	17.3	1.9 km	multiple	2004–2020	14 Jun 2020	74	Disc.: MLS Alt.: 2015 FK161	MPC · JPL
0	2004 YF40	MBA-O	16.7	2.5 km	multiple	2004–2021	16 Jan 2021	35	Disc.: MLS	MPC · JPL
1	2004 YG40	HUN	19.1	450 m	multiple	2004–2020	23 Jan 2020	55	Disc.: MLS	MPC · JPL
1	2004 YH40	MBA-I	18.1	710 m	multiple	2004–2020	24 Mar 2020	38	Disc.: MLS	MPC · JPL
1	2004 YJ40	MBA-M	17.3	1.5 km	multiple	2004–2020	06 Sep 2020	32	Disc.: Spacewatch	MPC · JPL
0	2004 YK40	MCA	18.3	650 m	multiple	2004–2020	08 Sep 2020	139	Disc.: Spacewatch	MPC · JPL
0	2004 YL40	MBA-O	16.2	3.2 km	multiple	2004–2020	16 Dec 2020	122	Disc.: Spacewatch Alt.: 2010 BW130	MPC · JPL
0	2004 YM40	MBA-M	16.9	1.2 km	multiple	2004–2020	23 Dec 2020	72	Disc.: MLS	MPC · JPL
0	2004 YN40	MBA-O	16.0	3.5 km	multiple	2004–2019	23 May 2019	65	Disc.: MLS	MPC · JPL
0	2004 YO40	MBA-M	17.4	1.8 km	multiple	2004–2020	15 May 2020	71	Disc.: MLS	MPC · JPL
0	2004 YP40	MBA-O	17.2	2.0 km	multiple	2004–2020	24 Jan 2020	42	Disc.: Spacewatch	MPC · JPL
0	2004 YQ40	MBA-M	17.0	2.2 km	multiple	2004–2019	07 Jan 2019	56	Disc.: Spacewatch	MPC · JPL
0	2004 YR40	MBA-O	16.0	3.5 km	multiple	2004–2021	09 Jan 2021	72	Disc.: MLS	MPC · JPL
0	2004 YS40	MBA-I	18.4	620 m	multiple	2004–2019	04 Feb 2019	46	Disc.: MLS	MPC · JPL
0	2004 YT40	MBA-M	17.4	1.8 km	multiple	2004–2020	27 Apr 2020	34	Disc.: Spacewatch	MPC · JPL
0	2004 YU40	MBA-I	18.7	540 m	multiple	2004–2020	12 Sep 2020	33	Disc.: MLS	MPC · JPL
0	2004 YV40	MBA-O	16.1	3.4 km	multiple	2004–2020	13 Nov 2020	134	Disc.: Spacewatch	MPC · JPL
0	2004 YW40	JT	13.7	10 km	multiple	2004–2020	24 Jun 2020	123	Disc.: MLS Trojan camp (L5)	MPC · JPL
0	2004 YX40	MBA-M	17.9	1.1 km	multiple	2004–2020	18 Aug 2020	48	Disc.: Spacewatch	MPC · JPL
0	2004 YY40	MBA-I	18.5	590 m	multiple	2004–2018	14 Aug 2018	38	Disc.: MLS	MPC · JPL
1	2004 YZ40	MBA-I	18.3	650 m	multiple	2004–2019	05 Oct 2019	35	Disc.: MLS	MPC · JPL
0	2004 YA41	MBA-I	18.5	590 m	multiple	2004–2019	28 Feb 2019	31	Disc.: MLS	MPC · JPL
0	2004 YB41	MBA-I	18.7	540 m	multiple	2004–2018	06 Oct 2018	33	Disc.: Spacewatch	MPC · JPL
0	2004 YC41	MBA-I	17.8	820 m	multiple	2004–2020	01 Feb 2020	68	Disc.: Spacewatch	MPC · JPL
0	2004 YD41	MBA-O	16.8	2.4 km	multiple	2004–2020	18 Nov 2020	56	Disc.: Spacewatch	MPC · JPL
1	2004 YE41	HUN	18.9	490 m	multiple	2004–2020	05 Jan 2020	47	Disc.: MLS	MPC · JPL
0	2004 YF41	MBA-I	18.7	540 m	multiple	2004–2020	23 Jan 2020	46	Disc.: Spacewatch	MPC · JPL
0	2004 YG41	MBA-O	16.6	2.7 km	multiple	2004–2021	16 Jan 2021	65	Disc.: Spacewatch	MPC · JPL
0	2004 YH41	MBA-I	18.6	570 m	multiple	2004–2020	30 Jan 2020	51	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	2004 YJ41	MBA-I	18.2	680 m	multiple	2004–2019	29 Apr 2019	46	Disc.: MLS Added on 22 July 2020	MPC · JPL
0	2004 YK41	MBA-I	18.1	710 m	multiple	2004–2019	04 Dec 2019	70	Disc.: MLS Added on 22 July 2020	MPC · JPL
0	2004 YL41	MBA-M	17.3	1.5 km	multiple	2004–2019	30 Jun 2019	35	Disc.: MLS Added on 22 July 2020	MPC · JPL
0	2004 YM41	MBA-M	17.4	1.8 km	multiple	2004–2019	05 Feb 2019	29	Disc.: MLS Added on 22 July 2020	MPC · JPL
1	2004 YN41	MBA-I	18.8	520 m	multiple	2004–2020	22 Mar 2020	35	Disc.: MLS Added on 22 July 2020	MPC · JPL
1	2004 YO41	MBA-I	18.6	570 m	multiple	2004–2020	21 Mar 2020	33	Disc.: MLS Added on 22 July 2020	MPC · JPL
2	2004 YP41	MBA-M	17.4	980 m	multiple	2004–2020	21 Dec 2020	76	Disc.: MLS Added on 19 October 2020	MPC · JPL
0	2004 YQ41	MBA-O	16.2	3.2 km	multiple	2004–2021	13 Jan 2021	103	Disc.: MLS Added on 17 January 2021	MPC · JPL
0	2004 YR41	MBA-M	17.1	1.1 km	multiple	2001–2020	14 Sep 2020	79	Disc.: CSS Added on 17 January 2021 Alt.: 2020 MK7	MPC · JPL
0	2004 YS41	MBA-M	17.3	1.5 km	multiple	2004–2020	10 Sep 2020	43	Disc.: MLS Added on 17 January 2021	MPC · JPL
1	2004 YT41	MBA-M	17.5	940 m	multiple	2004–2021	15 Jan 2021	127	Disc.: MLS Added on 17 January 2021	MPC · JPL
2	2004 YU41	MBA-M	17.9	780 m	multiple	2004–2020	11 Oct 2020	52	Disc.: MLS Added on 17 January 2021	MPC · JPL
1	2004 YV41	MBA-O	17.4	1.8 km	multiple	2004–2019	20 Oct 2019	32	Disc.: MLS Added on 17 January 2021	MPC · JPL
0	2004 YW41	MBA-M	17.6	900 m	multiple	2004–2020	14 Dec 2020	68	Disc.: MLS Added on 17 January 2021	MPC · JPL
0	2004 YX41	MBA-M	17.0	1.2 km	multiple	2004–2020	15 Dec 2020	46	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL

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References

1. "Data Available from the Minor Planet Center – MPCORB.DAT". Minor Planet Center. 19 October 2020. Retrieved 17 January 2021. (doc)
2. "NEOWISE Diameters and Albedos – V2.0". PDS Small Bodies Node. 2019. Retrieved 20 January 2021.
3. "List Of Jupiter Trojans". Minor Planet Center. 8 December 2020. Retrieved 20 January 2021.