List of unnumbered minor planets: 1999 U–Y

This is a partial list of unnumbered minor planets for principal provisional designations assigned between 16 October and 31 December 1999. As of January 2021, a total of 483 bodies remain unnumbered for this period.[1][2][3][4] Objects for this year are listed on the following pages: A–R · S–T and U–Y. Also see previous and next year.

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

U

U	Designation	Class	Physical		Observations				Description and notes	Ref
			H	D	Opp.	Arc	Last	Used
2	1999 UQ	AMO	21.8	160 m	multiple	1999–2015	02 Nov 2015	103	Disc.: LINEAR	MPC · JPL
1	1999 UR	APO	21.5	180 m	multiple	1999–2013	13 Feb 2013	76	Disc.: LINEAR Potentially hazardous object	MPC · JPL
–	1999 UX4	MBA-O	17.1	2.1 km	single	17 days	30 Oct 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 UK5	MCA	17.1	1.6 km	multiple	1999–2021	14 Jan 2021	304	Disc.: LINEAR Alt.: 2000 AP153	MPC · JPL
–	1999 UZ5	APO	21.8	160 m	single	4 days	04 Nov 1999	32	Disc.: CSS	MPC · JPL
1	1999 UP9	MBA-M	16.9	1.2 km	multiple	1999–2021	16 Jan 2021	89	Disc.: LINEAR Added on 17 January 2021	MPC · JPL
–	1999 UD12	MBA-M	18.0	750 m	single	20 days	03 Nov 1999	12	Disc.: Spacewatch	MPC · JPL
1	1999 UD18	MBA-M	18.5	590 m	multiple	1999–2020	14 Nov 2020	34	Disc.: Spacewatch	MPC · JPL
2	1999 UE18	MBA-O	16.7	2.5 km	multiple	1999–2020	17 Dec 2020	117	Disc.: Spacewatch Alt.: 2009 SH281	MPC · JPL
1	1999 UM18	MBA-M	18.0	1.1 km	multiple	1999–2021	06 Jan 2021	186	Disc.: Spacewatch	MPC · JPL
0	1999 UB19	MBA-I	18.4	620 m	multiple	1999–2019	27 Oct 2019	72	Disc.: Spacewatch	MPC · JPL
0	1999 UQ19	MBA-O	15.9	3.7 km	multiple	1999–2020	13 Sep 2020	126	Disc.: Spacewatch	MPC · JPL
1	1999 UH20	MBA-I	18.8	520 m	multiple	1999–2020	19 Oct 2020	97	Disc.: Spacewatch	MPC · JPL
0	1999 UM21	MBA-O	17.2	2.0 km	multiple	1999–2020	25 Jan 2020	63	Disc.: Spacewatch Alt.: 2004 TW364	MPC · JPL
1	1999 UW21	MBA-O	17.5	1.8 km	multiple	1999–2018	11 Nov 2018	27	Disc.: Spacewatch	MPC · JPL
0	1999 UJ22	MBA-O	16.5	2.8 km	multiple	1999–2020	05 Nov 2020	106	Disc.: Spacewatch Alt.: 2017 BW34	MPC · JPL
0	1999 UQ22	MBA-O	16.8	2.4 km	multiple	1999–2020	23 Jun 2020	47	Disc.: Spacewatch Added on 13 September 2020	MPC · JPL
0	1999 UU22	MBA-O	16.8	2.4 km	multiple	1994–2020	24 Jan 2020	142	Disc.: Spacewatch Alt.: 2004 TY357, 2013 RR126, 2013 SC60	MPC · JPL
0	1999 UW22	MBA-M	17.5	1.8 km	multiple	1999–2020	19 Apr 2020	46	Disc.: Spacewatch	MPC · JPL
0	1999 UX30	MBA-M	18.4	880 m	multiple	1999–2020	14 Aug 2020	36	Disc.: Spacewatch	MPC · JPL
0	1999 UF31	MBA-O	16.4	2.9 km	multiple	1999–2020	05 Dec 2020	126	Disc.: Spacewatch Alt.: 2004 RM267, 2008 KK22, 2015 VU81	MPC · JPL
0	1999 UU31	MBA-I	18.3	650 m	multiple	1999–2020	21 Apr 2020	70	Disc.: Spacewatch	MPC · JPL
1	1999 UU32	MBA-I	18.3	650 m	multiple	1999–2020	04 Sep 2020	75	Disc.: Spacewatch Alt.: 2006 SM227	MPC · JPL
0	1999 UZ32	MBA-O	17.6	1.7 km	multiple	1999–2020	17 Dec 2020	71	Disc.: Spacewatch Alt.: 2004 RS299	MPC · JPL
0	1999 UC33	MBA-O	16.5	2.8 km	multiple	1999–2020	15 Dec 2020	140	Disc.: Spacewatch Alt.: 2015 TR312	MPC · JPL
0	1999 UZ33	MBA-I	18.5	590 m	multiple	1999–2020	27 Jan 2020	39	Disc.: Spacewatch Alt.: 2007 YA17	MPC · JPL
1	1999 UM34	MBA-I	19.1	450 m	multiple	1999–2021	09 Jan 2021	36	Disc.: Spacewatch Alt.: 2006 WV137	MPC · JPL
1	1999 UL35	MBA-M	18.3	650 m	multiple	1999–2019	25 Sep 2019	33	Disc.: Spacewatch	MPC · JPL
0	1999 UM35	MBA-M	17.9	780 m	multiple	1999–2020	19 Nov 2020	41	Disc.: Spacewatch	MPC · JPL
0	1999 UT36	HUN	18.3	650 m	multiple	1999–2021	06 Jan 2021	90	Disc.: Spacewatch	MPC · JPL
0	1999 UU37	MBA-O	16.1	3.4 km	multiple	1999–2021	06 Jan 2021	126	Disc.: Spacewatch	MPC · JPL
0	1999 UC38	MBA-M	18.0	1.1 km	multiple	1999–2020	21 Sep 2020	111	Disc.: Spacewatch	MPC · JPL
2	1999 UN39	MBA-M	18.5	590 m	multiple	1999–2020	06 Dec 2020	81	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2016 UO254	MPC · JPL
–	1999 UU39	MBA-I	19.4	390 m	single	17 days	05 Nov 1999	9	Disc.: Spacewatch	MPC · JPL
3	1999 UV39	MBA-I	19.3	410 m	multiple	1999–2016	05 Nov 2016	27	Disc.: Spacewatch	MPC · JPL
0	1999 UP40	MBA-O	16.8	2.4 km	multiple	1994–2021	09 Jan 2021	83	Disc.: Spacewatch Alt.: 1999 UO58	MPC · JPL
–	1999 UB41	MBA-I	19.1	450 m	single	27 days	31 Oct 1999	12	Disc.: Spacewatch	MPC · JPL
0	1999 UO53	MBA-I	18.5	590 m	multiple	1999–2018	12 Feb 2018	52	Disc.: Spacewatch Alt.: 2006 VO25	MPC · JPL
0	1999 UT53	MBA-O	16.5	2.8 km	multiple	1999–2020	16 Nov 2020	129	Disc.: Spacewatch Alt.: 2004 TK89, 2014 OA224, 2015 VG128	MPC · JPL
0	1999 US54	MBA-M	17.5	940 m	multiple	1999–2020	05 Nov 2020	141	Disc.: Spacewatch Alt.: 2011 KB48, 2011 LD28	MPC · JPL
0	1999 UA55	MBA-M	17.3	1.5 km	multiple	1999–2020	09 Oct 2020	132	Disc.: Spacewatch	MPC · JPL
0	1999 UC55	MBA-I	18.5	590 m	multiple	1999–2018	06 Oct 2018	63	Disc.: Spacewatch	MPC · JPL
0	1999 UC56	MBA-I	17.8	820 m	multiple	1999–2017	16 Nov 2017	81	Disc.: Spacewatch Alt.: 2016 GK224	MPC · JPL
0	1999 UM56	MBA-M	17.0	2.2 km	multiple	1999–2020	14 Feb 2020	62	Disc.: Spacewatch	MPC · JPL
0	1999 UH57	MBA-I	18.0	750 m	multiple	1999–2020	25 Apr 2020	64	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2014 WG484	MPC · JPL
0	1999 UU57	MBA-M	17.9	1.1 km	multiple	1999–2019	01 May 2019	34	Disc.: Spacewatch	MPC · JPL
2	1999 UA58	MBA-I	18.9	490 m	multiple	1999–2017	19 Aug 2017	28	Disc.: Spacewatch Alt.: 2017 QX18	MPC · JPL
0	1999 UC58	MBA-I	17.9	780 m	multiple	1999–2020	22 Mar 2020	44	Disc.: Spacewatch	MPC · JPL
3	1999 UP58	MBA-I	19.0	470 m	multiple	1992–2017	13 Dec 2017	40	Disc.: Spacewatch Alt.: 1992 WR7	MPC · JPL
0	1999 UY58	MBA-I	18.6	570 m	multiple	1999–2020	22 Jun 2020	31	Disc.: Spacewatch Alt.: 1971 QN3	MPC · JPL
0	1999 UB59	MBA-M	17.7	1.2 km	multiple	1999–2021	05 Jan 2021	143	Disc.: Spacewatch Alt.: 2016 TN9	MPC · JPL
0	1999 UF59	MBA-I	18.6	570 m	multiple	1999–2020	16 Oct 2020	48	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
0	1999 UJ59	MBA-I	18.1	710 m	multiple	1999–2019	28 Dec 2019	40	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1999 US59	MBA-O	17.1	2.1 km	multiple	1999–2020	17 Dec 2020	117	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2014 OA80	MPC · JPL
0	1999 UT59	MBA-O	17.1	2.1 km	multiple	1999–2020	16 Dec 2020	36	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1999 UN61	MBA-M	17.0	2.2 km	multiple	1999–2020	16 Mar 2020	108	Disc.: Spacewatch Alt.: 2006 DL144	MPC · JPL
0	1999 UY63	MBA-I	18.2	680 m	multiple	1995–2020	26 Jan 2020	64	Disc.: Spacewatch	MPC · JPL
0	1999 UU64	MBA-O	17.3	1.9 km	multiple	1999–2018	10 Oct 2018	84	Disc.: SDSS Alt.: 2004 TV95, 2009 UV142	MPC · JPL
0	1999 UF65	MBA-M	17.9	780 m	multiple	1999–2019	26 Sep 2019	75	Disc.: SDSS Alt.: 2003 SC367, 2007 RG224	MPC · JPL
0	1999 UJ65	MBA-O	15.6	4.2 km	multiple	1999–2019	01 Jun 2019	106	Disc.: Spacewatch	MPC · JPL
0	1999 UK65	MBA-I	18.0	750 m	multiple	1999–2019	08 Feb 2019	79	Disc.: Spacewatch	MPC · JPL
0	1999 UL65	MBA-M	16.5	2.1 km	multiple	1999–2019	07 Apr 2019	84	Disc.: SDSS	MPC · JPL
0	1999 UM65	MBA-O	15.9	3.7 km	multiple	1999–2020	14 Jul 2020	151	Disc.: SDSS	MPC · JPL
0	1999 UN65	MBA-O	16.7	2.5 km	multiple	1999–2020	16 May 2020	74	Disc.: Spacewatch Alt.: 2005 VF29	MPC · JPL
0	1999 UO65	MBA-I	17.7	860 m	multiple	1999–2019	30 Nov 2019	92	Disc.: SDSS	MPC · JPL
0	1999 UP65	MBA-M	17.4	980 m	multiple	1999–2021	09 Jan 2021	101	Disc.: Spacewatch	MPC · JPL
0	1999 UQ65	MBA-I	17.8	820 m	multiple	1999–2020	24 Jun 2020	127	Disc.: SDSS	MPC · JPL
0	1999 UR65	MBA-O	16.0	3.5 km	multiple	1999–2020	17 Oct 2020	123	Disc.: SDSS	MPC · JPL
0	1999 US65	MBA-M	16.3	2.3 km	multiple	1999–2021	11 Jan 2021	143	Disc.: SDSS	MPC · JPL
0	1999 UT65	MBA-O	17.2	2.0 km	multiple	1999–2020	24 Jan 2020	69	Disc.: Spacewatch	MPC · JPL
0	1999 UU65	MBA-I	18.4	620 m	multiple	1999–2017	28 Sep 2017	65	Disc.: Spacewatch	MPC · JPL
0	1999 UV65	MBA-I	18.2	680 m	multiple	1999–2020	18 Jul 2020	101	Disc.: SDSS	MPC · JPL
0	1999 UW65	MBA-I	18.1	710 m	multiple	1999–2021	13 Jan 2021	80	Disc.: Spacewatch	MPC · JPL
0	1999 UX65	MBA-I	17.7	860 m	multiple	1999–2020	13 Jul 2020	74	Disc.: Spacewatch	MPC · JPL
0	1999 UY65	MBA-O	16.9	2.3 km	multiple	1999–2020	06 Dec 2020	67	Disc.: Spacewatch	MPC · JPL
0	1999 UZ65	MBA-O	16.3	3.1 km	multiple	1999–2020	16 Nov 2020	98	Disc.: Spacewatch	MPC · JPL
0	1999 UA66	MBA-M	17.7	1.2 km	multiple	1999–2019	03 Apr 2019	50	Disc.: Spacewatch	MPC · JPL
0	1999 UB66	MBA-M	17.4	1.8 km	multiple	1999–2020	13 Jul 2020	40	Disc.: SDSS	MPC · JPL
0	1999 UC66	MBA-O	16.8	2.4 km	multiple	1999–2018	12 May 2018	41	Disc.: Spacewatch	MPC · JPL
0	1999 UD66	MBA-M	17.4	1.8 km	multiple	1999–2020	26 Jan 2020	38	Disc.: SDSS	MPC · JPL
0	1999 UE66	MBA-M	17.7	1.6 km	multiple	1999–2020	28 Apr 2020	51	Disc.: Spacewatch	MPC · JPL
0	1999 UF66	MBA-I	17.9	780 m	multiple	1999–2020	26 Apr 2020	45	Disc.: Spacewatch	MPC · JPL
0	1999 UG66	MBA-O	16.9	2.3 km	multiple	1999–2020	23 Aug 2020	49	Disc.: Spacewatch Alt.: 2010 OH146	MPC · JPL
0	1999 UH66	MBA-I	18.5	590 m	multiple	1999–2020	20 Dec 2020	63	Disc.: Spacewatch	MPC · JPL
0	1999 UJ66	MBA-O	16.7	2.5 km	multiple	1999–2020	12 Dec 2020	71	Disc.: SDSS	MPC · JPL
0	1999 UK66	MBA-M	17.7	860 m	multiple	1999–2020	17 Oct 2020	79	Disc.: SDSS	MPC · JPL
0	1999 UL66	MBA-I	18.3	650 m	multiple	1999–2020	22 Mar 2020	101	Disc.: Spacewatch	MPC · JPL
1	1999 UM66	HUN	18.5	590 m	multiple	1999–2020	21 May 2020	61	Disc.: Spacewatch	MPC · JPL
1	1999 UN66	MBA-O	17.6	1.7 km	multiple	1999–2018	04 Oct 2018	32	Disc.: Spacewatch	MPC · JPL
1	1999 UO66	MBA-M	18.0	1.1 km	multiple	1995–2020	17 Oct 2020	75	Disc.: SDSS	MPC · JPL
0	1999 UP66	MBA-O	16.0	3.5 km	multiple	1999–2020	21 Jul 2020	46	Disc.: SDSS	MPC · JPL
0	1999 UQ66	MBA-I	18.7	540 m	multiple	1999–2020	28 May 2020	29	Disc.: Spacewatch	MPC · JPL
0	1999 UR66	MBA-O	16.6	2.7 km	multiple	1999–2019	29 Mar 2019	53	Disc.: Spacewatch	MPC · JPL
0	1999 US66	MBA-M	17.6	1.3 km	multiple	1999–2018	16 Jan 2018	41	Disc.: DB Missing Added on 22 July 2020	MPC · JPL
2	1999 UT66	MBA-M	18.5	590 m	multiple	1999–2019	28 Oct 2019	27	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
2	1999 UU66	MBA-I	19.6	360 m	multiple	1999–2020	23 Nov 2020	49	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL

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V

U	Designation	Class	Physical		Observations				Description and notes	Ref
			H	D	Opp.	Arc	Last	Used
2	1999 VT	AMO	19.7	410 m	multiple	1999–2019	08 Nov 2019	175	Disc.: CSS	MPC · JPL
–	1999 VL1	MCA	20.1	280 m	single	23 days	08 Nov 1999	48	Disc.: CSS	MPC · JPL
0	1999 VL3	MBA-M	18.1	710 m	multiple	1999–2021	04 Jan 2021	85	Disc.: Spacewatch Alt.: 2001 FT212	MPC · JPL
3	1999 VQ3	MBA-M	18.8	730 m	multiple	1999–2012	06 Nov 2012	28	Disc.: Spacewatch	MPC · JPL
–	1999 VQ5	MCA	19.4	390 m	single	10 days	14 Nov 1999	78	Disc.: LINEAR	MPC · JPL
2	1999 VR5	MCA	19.0	470 m	multiple	1999–2020	05 Jan 2020	155	Disc.: CSS	MPC · JPL
0	1999 VR6	APO	20.8	250 m	multiple	1999–2016	12 Jun 2016	152	Disc.: LINEAR Potentially hazardous object Alt.: 2012 UV68	MPC · JPL
7	1999 VN11	AMO	20.3	310 m	single	8 days	14 Nov 1999	71	Disc.: LINEAR	MPC · JPL
–	1999 VK12	APO	23.7	65 m	single	3 days	12 Nov 1999	16	Disc.: LINEAR	MPC · JPL
2	1999 VQ14	MBA-M	17.2	1.5 km	multiple	1999–2020	05 Nov 2020	38	Disc.: Kitt Peak	MPC · JPL
1	1999 VV15	MBA-I	19.1	450 m	multiple	1999–2020	14 Jan 2020	34	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
1	1999 VX15	AMO	18.7	650 m	multiple	1999–2021	15 Jan 2021	149	Disc.: Spacewatch	MPC · JPL
2	1999 VY15	MBA-M	18.3	920 m	multiple	1999–2020	15 Sep 2020	48	Disc.: Spacewatch	MPC · JPL
0	1999 VA16	MBA-I	19.2	430 m	multiple	1999–2018	10 Dec 2018	51	Disc.: Spacewatch Alt.: 2012 DS41	MPC · JPL
0	1999 VB16	MBA-M	17.3	1.9 km	multiple	1999–2020	16 May 2020	67	Disc.: Spacewatch	MPC · JPL
3	1999 VC16	MBA-I	18.9	490 m	multiple	1999–2020	16 Nov 2020	54	Disc.: Spacewatch	MPC · JPL
0	1999 VP16	MBA-O	17.2	2.0 km	multiple	1999–2018	06 Mar 2018	38	Disc.: Spacewatch	MPC · JPL
0	1999 VZ16	MBA-I	18.9	490 m	multiple	1999–2019	02 Jun 2019	41	Disc.: Spacewatch	MPC · JPL
2	1999 VA18	MBA-I	18.4	620 m	multiple	1999–2019	01 Nov 2019	55	Disc.: Spacewatch	MPC · JPL
0	1999 VU18	MBA-I	19.3	410 m	multiple	1999–2017	13 Sep 2017	33	Disc.: Spacewatch	MPC · JPL
0	1999 VX18	MBA-I	17.9	780 m	multiple	1999–2020	15 Feb 2020	83	Disc.: Spacewatch	MPC · JPL
7	1999 VU25	AMO	23.8	62 m	single	4 days	15 Nov 1999	13	Disc.: LINEAR	MPC · JPL
7	1999 VV25	APO	25.1	34 m	single	3 days	17 Nov 1999	27	Disc.: LINEAR	MPC · JPL
–	1999 VW25	ATE	25.3	31 m	single	3 days	17 Nov 1999	31	Disc.: LINEAR	MPC · JPL
7	1999 VX25	ATE	26.7	16 m	single	5 days	20 Nov 1999	40	Disc.: LINEAR	MPC · JPL
0	1999 VH27	MBA-O	15.8	3.9 km	multiple	1999–2019	29 Apr 2019	96	Disc.: Spacewatch	MPC · JPL
–	1999 VX39	MBA-M	18.2	680 m	single	8 days	12 Nov 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 VZ39	MBA-M	18.0	750 m	multiple	1999–2021	04 Jan 2021	53	Disc.: Spacewatch	MPC · JPL
1	1999 VA40	MBA-I	17.5	940 m	multiple	1999–2018	08 Aug 2018	74	Disc.: Spacewatch Alt.: 2003 WK191	MPC · JPL
E	1999 VB41	MBA-I	19.8	330 m	single	4 days	05 Nov 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 VZ41	MBA-M	17.4	1.8 km	multiple	1999–2020	28 Apr 2020	63	Disc.: Spacewatch Alt.: 2011 HL92	MPC · JPL
0	1999 VO42	MBA-M	17.9	1.1 km	multiple	1999–2020	17 Nov 2020	99	Disc.: Spacewatch Alt.: 2008 YT96	MPC · JPL
2	1999 VZ42	MBA-M	18.4	620 m	multiple	1999–2019	24 Aug 2019	53	Disc.: Spacewatch	MPC · JPL
0	1999 VA46	MBA-M	17.4	980 m	multiple	1999–2021	14 Jan 2021	184	Disc.: LINEAR	MPC · JPL
–	1999 VH47	MBA-M	17.1	1.1 km	single	10 days	14 Nov 1999	17	Disc.: LINEAR	MPC · JPL
2	1999 VZ72	MBA-I	16.7	1.4 km	multiple	1995–2020	26 Jan 2020	107	Disc.: LINEAR	MPC · JPL
0	1999 VF73	MCA	19.9	440 m	multiple	1999–2020	12 Sep 2020	70	Disc.: Spacewatch Alt.: 2013 AG150	MPC · JPL
0	1999 VZ73	MBA-O	16.8	2.4 km	multiple	1999–2020	07 Sep 2020	82	Disc.: Spacewatch	MPC · JPL
0	1999 VH75	MBA-M	17.7	860 m	multiple	1999–2020	14 Dec 2020	76	Disc.: Spacewatch	MPC · JPL
0	1999 VK75	MBA-M	17.1	1.6 km	multiple	1999–2020	11 Jul 2020	67	Disc.: Spacewatch	MPC · JPL
0	1999 VL75	MBA-I	18.2	680 m	multiple	1999–2021	15 Jan 2021	75	Disc.: Spacewatch Alt.: 2009 SM152	MPC · JPL
0	1999 VU75	MBA-I	18.4	620 m	multiple	1999–2020	15 May 2020	56	Disc.: Spacewatch Alt.: 2014 WT154	MPC · JPL
1	1999 VE76	HIL	16.8	2.4 km	multiple	1999–2015	06 Dec 2015	28	Disc.: Spacewatch	MPC · JPL
0	1999 VL76	MBA-O	16.6	2.7 km	multiple	1999–2020	22 Mar 2020	96	Disc.: Spacewatch	MPC · JPL
0	1999 VE83	MBA-O	17.1	2.1 km	multiple	1999–2018	10 Oct 2018	94	Disc.: Spacewatch	MPC · JPL
0	1999 VS83	MBA-I	18.6	570 m	multiple	1999–2019	28 Aug 2019	70	Disc.: Spacewatch Alt.: 2009 QM40	MPC · JPL
2	1999 VX83	MBA-I	19.6	360 m	multiple	1999–2020	17 Oct 2020	61	Disc.: Spacewatch	MPC · JPL
0	1999 VM84	MBA-I	18.6	570 m	multiple	1997–2019	02 Oct 2019	91	Disc.: Spacewatch Alt.: 2011 FX59	MPC · JPL
1	1999 VN84	MBA-O	17.8	1.5 km	multiple	1999–2020	11 Oct 2020	54	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
1	1999 VF87	MCA	17.5	940 m	multiple	1999–2019	27 Oct 2019	72	Disc.: CSS	MPC · JPL
0	1999 VS91	MCA	17.6	900 m	multiple	1999–2021	14 Jan 2021	97	Disc.: LINEAR	MPC · JPL
2	1999 VS92	MBA-M	17.7	860 m	multiple	1999–2021	14 Jan 2021	64	Disc.: LINEAR	MPC · JPL
0	1999 VF99	MBA-O	16.0	3.5 km	multiple	1999–2020	25 May 2020	83	Disc.: LINEAR Alt.: 2010 KC124	MPC · JPL
1	1999 VU99	MBA-O	16.3	3.1 km	multiple	1999–2019	24 Apr 2019	82	Disc.: LINEAR Alt.: 2010 ON31	MPC · JPL
1	1999 VU106	MBA-I	17.9	780 m	multiple	1999–2017	23 Jan 2017	95	Disc.: LINEAR Alt.: 2016 SH16	MPC · JPL
0	1999 VS115	MBA-I	18.6	570 m	multiple	1999–2018	15 Dec 2018	62	Disc.: Spacewatch Alt.: 2014 RF72	MPC · JPL
1	1999 VV115	MBA-I	18.9	490 m	multiple	1999–2019	28 Aug 2019	51	Disc.: Spacewatch Alt.: 2009 ST79	MPC · JPL
0	1999 VY115	MBA-I	17.3	1.0 km	multiple	1999–2019	30 Dec 2019	56	Disc.: Spacewatch Alt.: 2003 XJ23	MPC · JPL
–	1999 VP118	MBA-M	19.4	390 m	single	24 days	12 Nov 1999	15	Disc.: Spacewatch	MPC · JPL
0	1999 VT118	MBA-O	16.7	2.5 km	multiple	1999–2020	17 Dec 2020	109	Disc.: Spacewatch	MPC · JPL
0	1999 VU118	MBA-O	17.5	1.8 km	multiple	1999–2020	12 Sep 2020	45	Disc.: Spacewatch Alt.: 2015 UX37	MPC · JPL
0	1999 VX118	MBA-O	16.1	3.4 km	multiple	1999–2020	28 Jun 2020	109	Disc.: Spacewatch Alt.: 2015 PF281	MPC · JPL
0	1999 VZ119	MBA-I	18.1	710 m	multiple	1999–2020	19 Jan 2020	76	Disc.: Spacewatch	MPC · JPL
0	1999 VH120	MBA-M	17.0	1.7 km	multiple	1999–2020	12 Dec 2020	142	Disc.: Spacewatch	MPC · JPL
0	1999 VO120	MBA-I	18.8	520 m	multiple	1999–2017	14 Dec 2017	43	Disc.: Spacewatch	MPC · JPL
0	1999 VJ121	MBA-I	18.1	710 m	multiple	1999–2020	19 Apr 2020	66	Disc.: Spacewatch Alt.: 2006 QM140	MPC · JPL
–	1999 VO121	MBA-O	18.3	1.2 km	single	10 days	14 Nov 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 VS121	MBA-I	18.6	570 m	multiple	1999–2021	14 Jan 2021	53	Disc.: Spacewatch	MPC · JPL
0	1999 VU121	MBA-O	17.1	2.1 km	multiple	1999–2019	24 Apr 2019	43	Disc.: Spacewatch Alt.: 2005 WQ25	MPC · JPL
–	1999 VC122	MBA-I	19.4	390 m	single	12 days	16 Nov 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 VL122	MBA-M	17.4	980 m	multiple	1999–2019	06 Jul 2019	55	Disc.: Spacewatch Alt.: 2014 HE152, 2015 OR61	MPC · JPL
0	1999 VS122	MBA-M	17.9	780 m	multiple	1999–2020	23 Dec 2020	49	Disc.: Spacewatch	MPC · JPL
0	1999 VJ123	MBA-O	18.1	1.3 km	multiple	1999–2020	17 Oct 2020	62	Disc.: Spacewatch Alt.: 2015 XY302	MPC · JPL
0	1999 VN123	MBA-M	18.0	1.1 km	multiple	1999–2021	15 Jan 2021	78	Disc.: Spacewatch Alt.: 2003 UF6	MPC · JPL
0	1999 VE124	MBA-O	16.5	2.8 km	multiple	1999–2019	01 May 2019	86	Disc.: Spacewatch Alt.: 2010 TT63	MPC · JPL
3	1999 VH125	MBA-O	17.4	1.8 km	multiple	1999–2020	23 Nov 2020	24	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
1	1999 VN125	MBA-M	19.0	470 m	multiple	1999–2020	07 Dec 2020	33	Disc.: Spacewatch	MPC · JPL
2	1999 VG128	MBA-M	18.0	1.4 km	multiple	1999–2017	24 Oct 2017	57	Disc.: Spacewatch Alt.: 2008 SX189	MPC · JPL
0	1999 VM128	MBA-M	17.3	1.5 km	multiple	1999–2020	29 Jun 2020	97	Disc.: Spacewatch Alt.: 2014 EZ23, 2019 JX30	MPC · JPL
–	1999 VW128	MBA-M	18.1	1.3 km	single	26 days	05 Dec 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 VY128	MBA-O	16.3	3.1 km	multiple	1999–2020	07 Dec 2020	118	Disc.: Spacewatch Alt.: 2014 SK239	MPC · JPL
1	1999 VZ128	MBA-O	17.3	1.9 km	multiple	1999–2018	07 Nov 2018	49	Disc.: Spacewatch Alt.: 2018 VU30	MPC · JPL
0	1999 VB129	MBA-O	16.1	3.4 km	multiple	1998–2020	25 May 2020	165	Disc.: Spacewatch Alt.: 2010 VK68	MPC · JPL
1	1999 VL129	MBA-I	18.5	590 m	multiple	1999–2019	27 Oct 2019	90	Disc.: Spacewatch	MPC · JPL
0	1999 VU129	MBA-O	16.8	2.4 km	multiple	1999–2020	04 Dec 2020	50	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1999 VZ129	MBA-I	17.6	900 m	multiple	1993–2020	26 Jan 2020	79	Disc.: Spacewatch	MPC · JPL
0	1999 VW130	MBA-M	17.7	1.6 km	multiple	1999–2020	16 Mar 2020	51	Disc.: Spacewatch	MPC · JPL
0	1999 VF131	MBA-I	18.1	710 m	multiple	1999–2020	31 May 2020	76	Disc.: Spacewatch Alt.: 2006 UH362	MPC · JPL
2	1999 VM131	MBA-O	17.9	1.5 km	multiple	1999–2020	22 Jan 2020	95	Disc.: Spacewatch	MPC · JPL
0	1999 VF132	MBA-M	17.6	1.7 km	multiple	1999–2020	13 May 2020	65	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2010 CK23, 2019 AS34	MPC · JPL
0	1999 VP132	MBA-O	17.1	2.1 km	multiple	1999–2020	14 Nov 2020	86	Disc.: Spacewatch	MPC · JPL
0	1999 VR132	MBA-O	16.5	2.8 km	multiple	1999–2021	05 Jan 2021	143	Disc.: Spacewatch	MPC · JPL
0	1999 VJ133	MBA-M	18.2	1.3 km	multiple	1999–2017	18 Nov 2017	37	Disc.: Spacewatch	MPC · JPL
0	1999 VJ134	MBA-M	17.1	1.1 km	multiple	1999–2021	11 Jan 2021	136	Disc.: Spacewatch	MPC · JPL
0	1999 VT134	MBA-O	18.1	1.3 km	multiple	1999–2020	05 Nov 2020	39	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
1	1999 VE135	MBA-M	18.9	700 m	multiple	1999–2016	06 Oct 2016	24	Disc.: Spacewatch	MPC · JPL
0	1999 VR137	MBA-O	16.4	2.9 km	multiple	1999–2020	22 Jun 2020	78	Disc.: LINEAR	MPC · JPL
0	1999 VL138	MBA-M	17.9	1.1 km	multiple	1999–2021	07 Jan 2021	80	Disc.: Spacewatch	MPC · JPL
2	1999 VO139	MBA-I	19.8	330 m	multiple	1999–2020	05 Nov 2020	45	Disc.: Spacewatch Alt.: 2020 RD44	MPC · JPL
1	1999 VN140	MBA-O	17.4	1.8 km	multiple	1999–2015	19 Dec 2015	36	Disc.: Spacewatch Alt.: 2007 VA256	MPC · JPL
1	1999 VA142	MBA-M	18.2	960 m	multiple	1999–2020	16 Nov 2020	81	Disc.: Spacewatch Alt.: 2016 TH88	MPC · JPL
0	1999 VF142	MBA-M	17.5	940 m	multiple	1999–2021	06 Jan 2021	118	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2015 PB120	MPC · JPL
1	1999 VR142	MBA-I	18.8	520 m	multiple	1999–2019	20 Dec 2019	49	Disc.: Spacewatch Alt.: 2009 WV132	MPC · JPL
0	1999 VL147	MBA-M	17.4	1.4 km	multiple	1999–2021	11 Jan 2021	163	Disc.: LINEAR	MPC · JPL
1	1999 VJ152	MBA-M	19.1	640 m	multiple	1999–2020	10 Oct 2020	46	Disc.: Spacewatch Alt.: 2016 WO64	MPC · JPL
1	1999 VR152	MBA-M	17.9	1.1 km	multiple	1999–2020	16 Nov 2020	52	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1999 VX152	MBA-M	16.9	1.8 km	multiple	1999–2020	09 Oct 2020	112	Disc.: Spacewatch	MPC · JPL
0	1999 VR153	MBA-M	17.4	1.8 km	multiple	1999–2017	17 Nov 2017	56	Disc.: Spacewatch	MPC · JPL
0	1999 VF154	MBA-M	17.3	1.0 km	multiple	1999–2021	16 Jan 2021	72	Disc.: Spacewatch Alt.: 2015 TG340, 2017 BK113	MPC · JPL
0	1999 VR171	MBA-M	16.7	1.9 km	multiple	1999–2021	06 Jan 2021	132	Disc.: LINEAR	MPC · JPL
0	1999 VS174	MBA-I	18.8	520 m	multiple	1999–2017	15 Dec 2017	47	Disc.: Spacewatch Alt.: 2010 XD91	MPC · JPL
–	1999 VU174	MBA-I	19.8	330 m	single	9 days	10 Nov 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 VV174	MBA-M	17.5	1.3 km	multiple	1999–2020	20 Oct 2020	100	Disc.: Spacewatch Alt.: 2010 GV131	MPC · JPL
1	1999 VC175	MBA-I	18.3	650 m	multiple	1999–2019	24 Oct 2019	68	Disc.: Spacewatch	MPC · JPL
0	1999 VD175	MBA-I	18.2	680 m	multiple	1999–2021	12 Jan 2021	69	Disc.: Spacewatch Alt.: 2009 SV145	MPC · JPL
0	1999 VO175	MBA-O	16.5	2.8 km	multiple	1999–2019	11 May 2019	65	Disc.: Spacewatch	MPC · JPL
–	1999 VU175	MBA-M	18.8	520 m	single	16 days	28 Nov 1999	12	Disc.: Spacewatch	MPC · JPL
0	1999 VW207	MBA-M	17.1	1.6 km	multiple	1999–2021	05 Jan 2021	155	Disc.: Spacewatch	MPC · JPL
1	1999 VH210	MBA-M	17.4	980 m	multiple	1999–2021	14 Jan 2021	42	Disc.: LINEAR Added on 17 January 2021	MPC · JPL
1	1999 VU211	MBA-I	18.8	520 m	multiple	1999–2020	21 Apr 2020	81	Disc.: LINEAR Alt.: 2013 BF53, 2018 VV65	MPC · JPL
0	1999 VN212	MBA-M	17.0	1.2 km	multiple	1999–2021	09 Jan 2021	151	Disc.: LINEAR Alt.: 2015 VM80	MPC · JPL
0	1999 VF214	MBA-I	18.8	520 m	multiple	1999–2018	19 May 2018	27	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
0	1999 VP214	MBA-M	17.9	1.5 km	multiple	1999–2019	02 Apr 2019	47	Disc.: Spacewatch	MPC · JPL
0	1999 VR214	MBA-O	16.7	2.5 km	multiple	1999–2020	16 Dec 2020	60	Disc.: Spacewatch Alt.: 2013 JY50	MPC · JPL
0	1999 VX214	MBA-M	17.0	2.2 km	multiple	1999–2020	22 Mar 2020	90	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2015 BW357	MPC · JPL
2	1999 VB215	MBA-M	18.9	490 m	multiple	1999–2019	28 Nov 2019	48	Disc.: Spacewatch Alt.: 2007 TU389	MPC · JPL
0	1999 VE215	MBA-M	18.7	760 m	multiple	1999–2020	21 Oct 2020	67	Disc.: Spacewatch	MPC · JPL
0	1999 VF215	MBA-M	17.7	1.2 km	multiple	1999–2020	06 Sep 2020	52	Disc.: Spacewatch	MPC · JPL
0	1999 VR216	MBA-I	18.5	590 m	multiple	1999–2018	15 Oct 2018	54	Disc.: Spacewatch Alt.: 2014 QL341	MPC · JPL
0	1999 VE217	MBA-M	17.0	1.7 km	multiple	1999–2020	21 Jul 2020	88	Disc.: Spacewatch Alt.: 2016 PO58	MPC · JPL
4	1999 VX217	MBA-I	19.5	370 m	multiple	1999–2019	27 Oct 2019	30	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2019 SK62	MPC · JPL
0	1999 VY217	MBA-O	16.7	2.5 km	multiple	1999–2020	13 Sep 2020	63	Disc.: Spacewatch	MPC · JPL
0	1999 VD218	MBA-O	16.5	2.8 km	multiple	1999–2020	10 Nov 2020	175	Disc.: Spacewatch Alt.: 2008 GK10	MPC · JPL
0	1999 VJ218	MBA-M	17.3	1.9 km	multiple	1999–2016	10 Apr 2016	47	Disc.: Spacewatch	MPC · JPL
0	1999 VK218	MBA-M	16.7	2.5 km	multiple	1999–2020	27 Apr 2020	62	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
1	1999 VO219	MBA-M	17.8	820 m	multiple	1999–2021	15 Jan 2021	87	Disc.: Spacewatch	MPC · JPL
0	1999 VW220	MBA-M	17.3	1.5 km	multiple	1999–2020	23 Sep 2020	87	Disc.: Spacewatch	MPC · JPL
0	1999 VE221	MBA-O	16.4	2.9 km	multiple	1999–2020	08 Oct 2020	150	Disc.: Spacewatch	MPC · JPL
0	1999 VS221	MBA-O	17.6	1.7 km	multiple	1999–2020	15 Oct 2020	58	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2015 VR92	MPC · JPL
1	1999 VV221	MBA-M	18.6	800 m	multiple	1999–2018	09 Feb 2018	28	Disc.: Spacewatch	MPC · JPL
1	1999 VM222	MBA-M	18.1	1.3 km	multiple	1999–2017	25 Oct 2017	32	Disc.: Spacewatch	MPC · JPL
0	1999 VP224	MBA-I	18.3	650 m	multiple	1999–2019	28 Jun 2019	83	Disc.: Spacewatch Alt.: 2009 SQ81, 2015 HS133	MPC · JPL
0	1999 VZ225	MBA-M	16.8	1.8 km	multiple	1999–2020	12 Dec 2020	118	Disc.: Spacewatch Alt.: 2006 KU28	MPC · JPL
1	1999 VA226	MBA-M	18.2	960 m	multiple	1999–2020	13 Sep 2020	49	Disc.: Spacewatch Alt.: 2003 SG239	MPC · JPL
0	1999 VB226	MBA-O	17.2	2.0 km	multiple	1999–2020	14 Dec 2020	54	Disc.: Spacewatch	MPC · JPL
0	1999 VE226	MBA-O	16.0	3.5 km	multiple	1999–2021	16 Jan 2021	120	Disc.: LINEAR	MPC · JPL
2	1999 VN228	MBA-I	18.7	540 m	multiple	1995–2020	25 Jan 2020	35	Disc.: Spacewatch	MPC · JPL
0	1999 VN231	MBA-M	18.1	710 m	multiple	1999–2020	10 Dec 2020	55	Disc.: Spacewatch	MPC · JPL
0	1999 VZ231	MBA-M	17.5	1.3 km	multiple	1999–2020	11 Oct 2020	104	Disc.: Spacewatch	MPC · JPL
0	1999 VA232	MBA-M	16.7	1.9 km	multiple	1999–2020	06 Dec 2020	128	Disc.: Spacewatch	MPC · JPL
0	1999 VB232	MBA-O	16.6	2.7 km	multiple	1999–2020	13 Jul 2020	82	Disc.: Spacewatch	MPC · JPL
0	1999 VC232	MBA-I	18.1	710 m	multiple	1999–2019	26 Oct 2019	102	Disc.: Spacewatch	MPC · JPL
0	1999 VD232	MBA-M	16.7	1.9 km	multiple	1999–2020	26 Sep 2020	104	Disc.: Spacewatch	MPC · JPL
0	1999 VE232	MBA-O	16.5	2.8 km	multiple	1999–2019	08 Jun 2019	71	Disc.: Kitt Peak	MPC · JPL
0	1999 VF232	MBA-I	17.7	860 m	multiple	1999–2020	06 Dec 2020	128	Disc.: Spacewatch	MPC · JPL
0	1999 VG232	MBA-M	17.6	1.3 km	multiple	1999–2020	20 Aug 2020	74	Disc.: Spacewatch	MPC · JPL
0	1999 VH232	MBA-M	17.2	2.0 km	multiple	1999–2020	27 Apr 2020	58	Disc.: Spacewatch	MPC · JPL
0	1999 VJ232	MBA-I	18.1	710 m	multiple	1999–2020	20 Dec 2020	109	Disc.: Spacewatch	MPC · JPL
0	1999 VK232	MBA-O	16.1	3.4 km	multiple	1999–2021	07 Jan 2021	113	Disc.: Spacewatch	MPC · JPL
0	1999 VL232	MBA-I	18.0	750 m	multiple	1999–2020	11 Dec 2020	82	Disc.: Spacewatch	MPC · JPL
0	1999 VM232	MBA-O	16.1	3.4 km	multiple	1999–2019	28 May 2019	63	Disc.: Spacewatch Alt.: 2010 MQ11	MPC · JPL
0	1999 VN232	MBA-I	18.2	680 m	multiple	1999–2019	04 Dec 2019	77	Disc.: Spacewatch	MPC · JPL
0	1999 VO232	MBA-M	17.9	1.1 km	multiple	1999–2019	26 Apr 2019	52	Disc.: Spacewatch	MPC · JPL
0	1999 VP232	MBA-I	18.5	590 m	multiple	1999–2020	11 Dec 2020	75	Disc.: Spacewatch	MPC · JPL
0	1999 VQ232	MBA-O	16.8	2.4 km	multiple	1999–2020	22 Sep 2020	58	Disc.: Spacewatch	MPC · JPL
0	1999 VR232	MBA-I	18.2	680 m	multiple	1999–2020	12 Dec 2020	138	Disc.: Spacewatch	MPC · JPL
0	1999 VS232	MBA-M	17.5	1.3 km	multiple	1999–2020	24 Jun 2020	56	Disc.: Spacewatch	MPC · JPL
1	1999 VT232	MBA-M	17.6	1.3 km	multiple	1999–2020	05 Nov 2020	72	Disc.: Spacewatch	MPC · JPL
0	1999 VU232	MBA-O	16.8	2.4 km	multiple	1999–2020	06 Dec 2020	63	Disc.: Spacewatch	MPC · JPL
0	1999 VV232	MBA-M	17.7	860 m	multiple	1999–2020	06 Dec 2020	82	Disc.: Spacewatch	MPC · JPL
0	1999 VW232	MBA-I	17.6	900 m	multiple	1999–2020	23 Jun 2020	95	Disc.: Spacewatch	MPC · JPL
0	1999 VX232	MBA-M	17.7	1.6 km	multiple	1999–2020	19 May 2020	50	Disc.: Spacewatch	MPC · JPL
0	1999 VY232	MBA-M	18.1	1.0 km	multiple	1999–2020	15 Oct 2020	63	Disc.: Spacewatch	MPC · JPL
0	1999 VZ232	MBA-M	17.6	1.7 km	multiple	1999–2020	21 Apr 2020	43	Disc.: Spacewatch	MPC · JPL
0	1999 VA233	MBA-M	17.0	2.2 km	multiple	1999–2020	19 May 2020	89	Disc.: Spacewatch Alt.: 2010 JJ181	MPC · JPL
1	1999 VB233	MBA-I	18.6	570 m	multiple	1999–2019	26 Sep 2019	44	Disc.: Spacewatch	MPC · JPL
1	1999 VC233	MBA-I	18.9	490 m	multiple	1999–2017	13 Sep 2017	36	Disc.: Spacewatch	MPC · JPL
0	1999 VD233	MBA-I	18.5	590 m	multiple	1999–2021	04 Jan 2021	63	Disc.: Spacewatch	MPC · JPL
0	1999 VE233	MCA	18.9	490 m	multiple	1999–2019	26 Jul 2019	46	Disc.: Spacewatch	MPC · JPL
0	1999 VF233	MBA-M	17.5	1.8 km	multiple	1999–2020	14 Aug 2020	37	Disc.: Spacewatch	MPC · JPL
0	1999 VG233	MBA-M	17.0	2.2 km	multiple	1999–2020	02 Feb 2020	90	Disc.: Spacewatch	MPC · JPL
0	1999 VH233	MBA-I	17.5	940 m	multiple	1999–2020	28 Jan 2020	83	Disc.: Spacewatch	MPC · JPL
0	1999 VJ233	MBA-O	16.8	2.4 km	multiple	1999–2020	14 Dec 2020	72	Disc.: Spacewatch	MPC · JPL
1	1999 VK233	MBA-I	18.7	540 m	multiple	1999–2018	02 Nov 2018	60	Disc.: Spacewatch	MPC · JPL
0	1999 VL233	MBA-I	18.2	680 m	multiple	1995–2020	16 Mar 2020	62	Disc.: Spacewatch	MPC · JPL
0	1999 VM233	MBA-O	16.5	2.8 km	multiple	1999–2020	30 Jun 2020	63	Disc.: Spacewatch	MPC · JPL
0	1999 VN233	MBA-O	16.0	3.5 km	multiple	1999–2021	07 Jan 2021	66	Disc.: Spacewatch	MPC · JPL
0	1999 VO233	MBA-M	17.3	1.9 km	multiple	1999–2020	27 Apr 2020	55	Disc.: Spacewatch	MPC · JPL
0	1999 VP233	MBA-M	17.5	1.3 km	multiple	1999–2020	17 Oct 2020	63	Disc.: Spacewatch	MPC · JPL
0	1999 VQ233	MBA-I	18.3	650 m	multiple	1999–2018	05 Oct 2018	39	Disc.: Spacewatch	MPC · JPL
1	1999 VR233	HUN	19.0	470 m	multiple	1999–2018	06 Jun 2018	28	Disc.: Spacewatch	MPC · JPL
0	1999 VS233	MBA-O	17.5	1.8 km	multiple	1999–2018	07 Nov 2018	35	Disc.: Spacewatch	MPC · JPL
0	1999 VT233	MBA-O	16.5	2.8 km	multiple	1999–2020	22 Aug 2020	127	Disc.: Spacewatch	MPC · JPL
0	1999 VU233	MBA-O	16.8	2.4 km	multiple	1999–2021	03 Jan 2021	104	Disc.: Spacewatch	MPC · JPL
0	1999 VV233	MBA-O	16.8	2.4 km	multiple	1999–2019	01 May 2019	48	Disc.: Spacewatch	MPC · JPL
1	1999 VW233	MBA-I	18.7	540 m	multiple	1999–2019	08 Feb 2019	39	Disc.: Spacewatch	MPC · JPL
0	1999 VX233	MBA-M	18.6	570 m	multiple	1999–2021	09 Jan 2021	37	Disc.: Spacewatch	MPC · JPL
1	1999 VY233	MBA-M	17.7	1.6 km	multiple	1999–2017	22 Dec 2017	34	Disc.: Spacewatch	MPC · JPL
0	1999 VZ233	MBA-M	17.5	1.8 km	multiple	1999–2020	27 Apr 2020	62	Disc.: Spacewatch	MPC · JPL
0	1999 VA234	MBA-O	16.4	2.9 km	multiple	1999–2020	15 Dec 2020	103	Disc.: Kitt Peak	MPC · JPL
1	1999 VB234	MBA-M	17.5	940 m	multiple	1999–2021	15 Jan 2021	118	Disc.: Kitt Peak	MPC · JPL
2	1999 VC234	MBA-O	17.5	1.8 km	multiple	1999–2019	01 Oct 2019	33	Disc.: Spacewatch	MPC · JPL
0	1999 VD234	MBA-O	17.6	1.7 km	multiple	1999–2020	31 Jan 2020	35	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1999 VE234	MBA-O	16.9	2.3 km	multiple	1999–2020	18 Aug 2020	65	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
2	1999 VF234	MBA-I	18.7	540 m	multiple	1999–2021	06 Jan 2021	96	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
2	1999 VG234	MBA-O	17.9	1.5 km	multiple	1999–2020	17 Nov 2020	29	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
2	1999 VH234	MBA-M	18.7	760 m	multiple	1999–2020	07 Dec 2020	33	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL

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W

U	Designation	Class	Physical		Observations				Description and notes	Ref
			H	D	Opp.	Arc	Last	Used
0	1999 WG5	MBA-O	16.3	3.1 km	multiple	1999–2019	24 Apr 2019	62	Disc.: Spacewatch	MPC · JPL
–	1999 WX10	MBA-O	18.2	1.3 km	single	23 days	02 Dec 1999	12	Disc.: Spacewatch	MPC · JPL
1	1999 WR11	MBA-M	17.1	1.1 km	multiple	1999–2021	03 Jan 2021	58	Disc.: Spacewatch	MPC · JPL
0	1999 WU15	MBA-M	17.1	1.6 km	multiple	1999–2020	17 Dec 2020	132	Disc.: Spacewatch Alt.: 2016 WM39	MPC · JPL
0	1999 WP18	MBA-M	17.7	860 m	multiple	1999–2021	16 Jan 2021	90	Disc.: Spacewatch	MPC · JPL
0	1999 WD19	MBA-O	16.3	3.1 km	multiple	1999–2020	07 Dec 2020	156	Disc.: Spacewatch Alt.: 2014 NT58	MPC · JPL
–	1999 WM19	MBA-M	18.6	570 m	single	13 days	13 Dec 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 WW20	MBA-O	16.5	2.8 km	multiple	1999–2020	08 Nov 2020	126	Disc.: Spacewatch	MPC · JPL
3	1999 WA21	MBA-I	18.6	570 m	multiple	1999–2014	28 Nov 2014	42	Disc.: Spacewatch Alt.: 2014 TM28	MPC · JPL
0	1999 WK21	MBA-O	17.4	1.8 km	multiple	1999–2020	25 Jan 2020	59	Disc.: Spacewatch Alt.: 2016 FO24	MPC · JPL
0	1999 WX21	MBA-I	18.5	590 m	multiple	1999–2018	06 Oct 2018	50	Disc.: Spacewatch	MPC · JPL
2	1999 WY21	MBA-M	17.9	1.5 km	multiple	1999–2017	21 Nov 2017	35	Disc.: Spacewatch	MPC · JPL
0	1999 WB22	MBA-M	16.9	2.3 km	multiple	1999–2020	24 Mar 2020	73	Disc.: Spacewatch	MPC · JPL
0	1999 WD22	MBA-O	17.0	2.2 km	multiple	1996–2020	14 Feb 2020	134	Disc.: Spacewatch Alt.: 2016 GU230, 2018 VK22	MPC · JPL
0	1999 WF22	MBA-O	17.6	1.7 km	multiple	1999–2017	28 Jan 2017	45	Disc.: Spacewatch Alt.: 2005 YZ290	MPC · JPL
0	1999 WJ22	MBA-I	18.3	650 m	multiple	1999–2019	05 Feb 2019	47	Disc.: Spacewatch	MPC · JPL
1	1999 WU22	MBA-I	19.0	470 m	multiple	1999–2019	26 Feb 2019	40	Disc.: Spacewatch	MPC · JPL
0	1999 WX23	MBA-M	16.9	1.2 km	multiple	1999–2020	23 Dec 2020	144	Disc.: Spacewatch Alt.: 2002 ND64, 2003 UF360, 2007 TS176, 2011 SD125	MPC · JPL
0	1999 WG24	MBA-I	18.5	590 m	multiple	1999–2019	28 Nov 2019	70	Disc.: Spacewatch Alt.: 2009 UW64	MPC · JPL
0	1999 WH24	MBA-O	16.6	2.7 km	multiple	1999–2020	26 Sep 2020	66	Disc.: Spacewatch	MPC · JPL
1	1999 WT24	MBA-M	17.5	940 m	multiple	1999–2021	15 Jan 2021	98	Disc.: Spacewatch Alt.: 2013 CA148	MPC · JPL
1	1999 WY24	HUN	19.2	430 m	multiple	1999–2021	15 Jan 2021	50	Disc.: Spacewatch Alt.: 2019 JC6	MPC · JPL
0	1999 WK25	MBA-O	17.2	2.0 km	multiple	1999–2019	01 Nov 2019	62	Disc.: Spacewatch Alt.: 2004 VV104	MPC · JPL
0	1999 WO25	MBA-M	17.6	900 m	multiple	1999–2020	16 Dec 2020	55	Disc.: Spacewatch Alt.: 2011 PP3	MPC · JPL
0	1999 WZ27	MBA-I	18.1	710 m	multiple	1999–2020	22 Mar 2020	84	Disc.: Spacewatch	MPC · JPL
0	1999 WA28	MBA-I	17.9	780 m	multiple	1999–2020	26 Jan 2020	88	Disc.: Spacewatch	MPC · JPL
0	1999 WB28	MBA-M	17.0	2.2 km	multiple	1999–2020	24 Jun 2020	93	Disc.: Spacewatch	MPC · JPL
0	1999 WD28	MBA-M	17.0	2.2 km	multiple	1999–2020	02 Apr 2020	82	Disc.: Spacewatch	MPC · JPL
0	1999 WE28	MBA-I	18.6	570 m	multiple	1999–2020	21 Jan 2020	68	Disc.: Spacewatch	MPC · JPL
0	1999 WF28	MBA-O	17.0	2.2 km	multiple	1999–2020	24 Jan 2020	70	Disc.: Spacewatch	MPC · JPL
0	1999 WG28	MBA-I	18.1	710 m	multiple	1999–2019	25 Oct 2019	70	Disc.: Spacewatch	MPC · JPL
0	1999 WH28	MBA-M	17.5	1.8 km	multiple	1999–2020	22 Jun 2020	63	Disc.: Spacewatch	MPC · JPL
0	1999 WJ28	MBA-O	17.4	1.8 km	multiple	1999–2021	14 Jan 2021	60	Disc.: Spacewatch	MPC · JPL
1	1999 WK28	MBA-I	17.9	780 m	multiple	1999–2020	26 May 2020	99	Disc.: Spacewatch	MPC · JPL
0	1999 WL28	MBA-M	17.7	860 m	multiple	1999–2019	29 Oct 2019	64	Disc.: Spacewatch	MPC · JPL
0	1999 WM28	MBA-I	18.3	650 m	multiple	1999–2020	09 Sep 2020	80	Disc.: Spacewatch	MPC · JPL
0	1999 WN28	MBA-O	17.3	1.9 km	multiple	1999–2020	02 Feb 2020	62	Disc.: Spacewatch	MPC · JPL
0	1999 WO28	MBA-I	18.8	520 m	multiple	1999–2020	07 Dec 2020	69	Disc.: Spacewatch	MPC · JPL
1	1999 WP28	MBA-I	18.2	680 m	multiple	1999–2017	22 Nov 2017	61	Disc.: Spacewatch	MPC · JPL
0	1999 WQ28	MBA-I	18.2	680 m	multiple	1999–2020	17 Nov 2020	62	Disc.: Spacewatch	MPC · JPL
0	1999 WR28	MBA-I	18.7	540 m	multiple	1999–2020	23 Jun 2020	48	Disc.: Spacewatch	MPC · JPL
0	1999 WS28	MBA-M	17.3	1.5 km	multiple	1999–2020	04 Nov 2020	40	Disc.: Spacewatch	MPC · JPL
1	1999 WT28	MBA-I	19.3	410 m	multiple	1999–2019	15 Nov 2019	62	Disc.: Spacewatch	MPC · JPL
0	1999 WU28	MBA-I	18.4	620 m	multiple	1999–2019	23 Oct 2019	51	Disc.: Spacewatch	MPC · JPL
0	1999 WV28	MBA-M	17.3	1.9 km	multiple	1999–2020	27 Apr 2020	68	Disc.: Spacewatch	MPC · JPL
0	1999 WW28	MBA-I	18.2	680 m	multiple	1999–2020	27 Apr 2020	61	Disc.: Spacewatch	MPC · JPL
1	1999 WX28	MBA-I	18.8	520 m	multiple	1999–2018	12 Nov 2018	38	Disc.: Spacewatch	MPC · JPL
0	1999 WY28	MBA-O	16.4	2.9 km	multiple	1999–2019	05 Jun 2019	35	Disc.: Spacewatch	MPC · JPL
0	1999 WZ28	MBA-O	16.9	2.3 km	multiple	1999–2020	08 Dec 2020	64	Disc.: Spacewatch	MPC · JPL
0	1999 WA29	MBA-I	18.7	540 m	multiple	1999–2020	15 Apr 2020	41	Disc.: Spacewatch	MPC · JPL
0	1999 WB29	MBA-M	17.9	1.1 km	multiple	1999–2020	23 Aug 2020	69	Disc.: Spacewatch	MPC · JPL
0	1999 WC29	MBA-M	18.0	1.1 km	multiple	1999–2018	12 Feb 2018	40	Disc.: Spacewatch	MPC · JPL
0	1999 WD29	MBA-I	18.6	570 m	multiple	1999–2020	27 Apr 2020	41	Disc.: Spacewatch	MPC · JPL

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X

U	Designation	Class	Physical		Observations				Description and notes	Ref
			H	D	Opp.	Arc	Last	Used
1	1999 XN2	HUN	17.9	780 m	multiple	1999–2020	19 May 2020	88	Disc.: Spacewatch Alt.: 2014 AT53, 2017 CJ32, 2018 PD18	MPC · JPL
0	1999 XJ9	MBA-M	17.7	860 m	multiple	1999–2021	14 Jan 2021	51	Disc.: Spacewatch	MPC · JPL
0	1999 XM16	MBA-I	17.3	1.0 km	multiple	1999–2019	30 Nov 2019	163	Disc.: LINEAR Alt.: 2010 BA14	MPC · JPL
2	1999 XS35	CEN	17.2	1.6 km	single	88 days	28 Feb 2000	206	Disc.: LONEOS Potentially hazardous object NEO larger than 1 kilometer APO at MPC	MPC · JPL
0	1999 XX67	MBA-O	15.7	4.0 km	multiple	1999–2019	28 Dec 2019	71	Disc.: LINEAR	MPC · JPL
0	1999 XF79	MBA-O	15.7	4.0 km	multiple	1999–2021	10 Jan 2021	212	Disc.: LINEAR Alt.: 2014 PF54	MPC · JPL
0	1999 XD106	MCA	17.0	1.7 km	multiple	1999–2021	07 Jan 2021	213	Disc.: LINEAR	MPC · JPL
0	1999 XF106	MBA-M	17.0	1.7 km	multiple	1999–2021	08 Jan 2021	79	Disc.: Prescott Obs.	MPC · JPL
0	1999 XE124	MBA-I	18.0	750 m	multiple	1999–2020	24 Jan 2020	112	Disc.: CSS Alt.: 2002 PK203, 2012 PB17, 2017 DW29	MPC · JPL
1	1999 XO135	MCA	16.7	2.5 km	multiple	1999–2017	27 May 2017	110	Disc.: LINEAR	MPC · JPL
0	1999 XK136	APO	20.3	811 m	multiple	1999–2011	06 Jan 2011	140	Disc.: LINEAR Potentially hazardous object	MPC · JPL
1	1999 XK141	MCA	17.7	860 m	multiple	1995–2020	24 Jan 2020	114	Disc.: LINEAR	MPC · JPL
5	1999 XN141	APO	22.6	110 m	single	16 days	30 Dec 1999	18	Disc.: LINEAR	MPC · JPL
2	1999 XY143	TNO	6.2	267 km	multiple	1999–2020	18 Jan 2020	44	Disc.: Whipple Obs. LoUTNOs, cubewano (hot), binary: 170 km	MPC · JPL
0	1999 XS146	MBA-M	16.7	1.9 km	multiple	1999–2021	08 Jan 2021	218	Disc.: Spacewatch Alt.: 2015 PR264, 2016 XZ3	MPC · JPL
0	1999 XM147	MBA-M	17.0	1.7 km	multiple	1999–2020	08 Dec 2020	90	Disc.: Spacewatch Alt.: 2009 CY12, 2015 PU219	MPC · JPL
0	1999 XT147	MBA-O	17.1	2.1 km	multiple	1999–2020	08 Oct 2020	55	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1999 XA148	MBA-O	17.1	2.1 km	multiple	1999–2020	10 Sep 2020	34	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
2	1999 XJ148	MBA-I	19.0	470 m	multiple	2010–2017	13 Sep 2017	32	Disc.: Spacewatch	MPC · JPL
0	1999 XQ148	MBA-O	16.6	2.7 km	multiple	1999–2020	21 Oct 2020	67	Disc.: Spacewatch	MPC · JPL
0	1999 XR148	MBA-O	16.4	2.9 km	multiple	1999–2020	24 Mar 2020	168	Disc.: Spacewatch Alt.: 2006 DB184, 2015 AV173, 2017 NX	MPC · JPL
2	1999 XX148	HUN	18.9	490 m	multiple	1999–2019	02 Nov 2019	28	Disc.: Spacewatch	MPC · JPL
0	1999 XN149	MBA-M	16.9	1.8 km	multiple	1999–2020	11 Sep 2020	136	Disc.: Spacewatch	MPC · JPL
1	1999 XS149	MBA-M	17.8	820 m	multiple	1999–2019	31 Oct 2019	39	Disc.: Spacewatch	MPC · JPL
0	1999 XW149	MBA-O	17.0	2.2 km	multiple	1999–2021	16 Jan 2021	123	Disc.: Spacewatch Alt.: 2014 SF65	MPC · JPL
0	1999 XD150	MBA-O	16.4	2.9 km	multiple	1999–2020	02 Feb 2020	90	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
1	1999 XE150	MBA-M	18.1	710 m	multiple	1999–2019	28 Nov 2019	55	Disc.: Spacewatch Added on 24 August 2020 Alt.: 2011 VN7, 2019 UX32	MPC · JPL
0	1999 XF150	MBA-M	17.2	2.0 km	multiple	1999–2020	25 May 2020	86	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1999 XO150	MBA-O	16.5	2.8 km	multiple	1999–2021	05 Jan 2021	106	Disc.: Spacewatch Alt.: 2014 UU221, 2016 AL94	MPC · JPL
0	1999 XP150	MBA-I	18.4	620 m	multiple	1999–2021	16 Jan 2021	88	Disc.: Spacewatch	MPC · JPL
0	1999 XV150	MBA-I	18.1	710 m	multiple	1999–2021	10 Jan 2021	82	Disc.: Spacewatch Alt.: 2009 TF33	MPC · JPL
1	1999 XB152	MBA-O	16.3	3.1 km	multiple	1999–2018	12 Mar 2018	58	Disc.: Spacewatch	MPC · JPL
0	1999 XQ214	MBA-M	16.3	2.3 km	multiple	1999–2021	11 Jan 2021	217	Disc.: LINEAR Alt.: 2015 MT72	MPC · JPL
0	1999 XA216	MBA-I	18.5	590 m	multiple	1999–2019	26 Sep 2019	60	Disc.: Spacewatch Alt.: 2002 TG386, 2016 WG22	MPC · JPL
0	1999 XO218	MBA-O	16.5	2.8 km	multiple	1999–2021	03 Jan 2021	61	Disc.: Spacewatch Alt.: 2015 TJ119, 2015 XO83, 2017 EN15	MPC · JPL
0	1999 XL224	MBA-M	17.0	2.2 km	multiple	1999–2019	28 Feb 2019	82	Disc.: Spacewatch Alt.: 2010 FP5	MPC · JPL
1	1999 XD226	MBA-O	16.2	3.2 km	multiple	1999–2020	22 Sep 2020	50	Disc.: Spacewatch	MPC · JPL
–	1999 XV227	MBA-O	17.2	2.0 km	single	23 days	07 Jan 2000	9	Disc.: Spacewatch	MPC · JPL
0	1999 XE228	MBA-O	16.7	2.5 km	multiple	1999–2021	10 Jan 2021	120	Disc.: Spacewatch Alt.: 2015 XW382	MPC · JPL
0	1999 XH244	MBA-I	17.9	780 m	multiple	1999–2020	22 Mar 2020	48	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1999 XT244	MBA-I	17.3	1.0 km	multiple	1999–2020	24 Mar 2020	100	Disc.: Spacewatch Alt.: 2005 GJ206, 2014 SO183	MPC · JPL
0	1999 XM246	MBA-M	17.3	1.5 km	multiple	1999–2021	05 Jan 2021	110	Disc.: Spacewatch	MPC · JPL
2	1999 XK251	MBA-O	17.9	1.5 km	multiple	1999–2016	05 Dec 2016	35	Disc.: Spacewatch Alt.: 2016 XF10	MPC · JPL
0	1999 XK253	MBA-O	16.9	2.3 km	multiple	1999–2021	07 Jan 2021	69	Disc.: Spacewatch	MPC · JPL
0	1999 XQ253	MBA-O	17.4	1.8 km	multiple	1999–2020	15 Oct 2020	52	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2006 CG74	MPC · JPL
1	1999 XC254	MBA-M	17.8	820 m	multiple	1999–2020	28 Jan 2020	80	Disc.: Spacewatch Alt.: 2015 XL205	MPC · JPL
0	1999 XF254	MBA-I	19.1	450 m	multiple	1999–2020	18 Aug 2020	37	Disc.: Spacewatch	MPC · JPL
0	1999 XO254	MBA-M	16.5	2.1 km	multiple	1999–2021	05 Jan 2021	107	Disc.: Spacewatch	MPC · JPL
0	1999 XS254	MBA-I	17.8	820 m	multiple	1999–2019	16 Dec 2019	74	Disc.: Spacewatch	MPC · JPL
1	1999 XZ254	MBA-M	17.2	2.0 km	multiple	1999–2019	03 Apr 2019	51	Disc.: Spacewatch	MPC · JPL
0	1999 XA255	MBA-M	17.1	1.1 km	multiple	1999–2018	05 Oct 2018	41	Disc.: Spacewatch	MPC · JPL
0	1999 XD255	MBA-M	16.6	1.4 km	multiple	1999–2020	24 Jan 2020	83	Disc.: Spacewatch Alt.: 2014 MD69	MPC · JPL
0	1999 XK255	MBA-I	17.1	1.1 km	multiple	1999–2020	11 Oct 2020	160	Disc.: Spacewatch Alt.: 2010 XV41	MPC · JPL
0	1999 XY255	MBA-O	16.4	2.9 km	multiple	1999–2021	15 Jan 2021	136	Disc.: Spacewatch Alt.: 2004 XY47, 2014 WW435	MPC · JPL
0	1999 XW258	MBA-M	17.7	860 m	multiple	1999–2021	16 Jan 2021	62	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1999 XV264	MBA-I	18.9	490 m	multiple	1999–2019	19 Nov 2019	39	Disc.: Spacewatch	MPC · JPL
0	1999 XS265	MBA-I	17.8	820 m	multiple	1999–2020	10 Dec 2020	135	Disc.: Spacewatch	MPC · JPL
0	1999 XT265	MBA-O	16.7	2.5 km	multiple	1999–2020	02 Feb 2020	98	Disc.: Spacewatch	MPC · JPL
0	1999 XU265	JT	14.1	8.4 km	multiple	1999–2020	16 Nov 2020	113	Disc.: Spacewatch Greek camp (L4)	MPC · JPL
0	1999 XV265	MBA-I	17.6	900 m	multiple	1999–2019	28 Dec 2019	134	Disc.: Spacewatch	MPC · JPL
0	1999 XW265	MBA-O	16.9	2.3 km	multiple	1999–2020	22 Mar 2020	83	Disc.: Spacewatch	MPC · JPL
0	1999 XX265	MBA-I	18.0	750 m	multiple	1999–2019	02 Apr 2019	73	Disc.: Spacewatch	MPC · JPL
0	1999 XY265	MBA-I	17.6	900 m	multiple	1999–2020	23 Apr 2020	89	Disc.: Spacewatch	MPC · JPL
0	1999 XZ265	MBA-I	18.4	620 m	multiple	1995–2017	12 Sep 2017	76	Disc.: Spacewatch Alt.: 1995 SN81	MPC · JPL
0	1999 XA266	MBA-I	17.9	780 m	multiple	1999–2021	08 Jan 2021	83	Disc.: Spacewatch	MPC · JPL
0	1999 XB266	MBA-M	17.2	1.5 km	multiple	1999–2019	05 Jun 2019	44	Disc.: Spacewatch	MPC · JPL
1	1999 XC266	HUN	18.9	490 m	multiple	1999–2018	20 Jan 2018	39	Disc.: Spacewatch	MPC · JPL
1	1999 XD266	MBA-I	18.9	490 m	multiple	1999–2020	24 Jan 2020	42	Disc.: Spacewatch	MPC · JPL
0	1999 XE266	MBA-O	17.1	2.1 km	multiple	1999–2020	10 Dec 2020	50	Disc.: Spacewatch	MPC · JPL
1	1999 XF266	MBA-I	19.3	410 m	multiple	1999–2017	15 Dec 2017	27	Disc.: Spacewatch	MPC · JPL
1	1999 XG266	MBA-O	16.4	2.9 km	multiple	1999–2015	02 Nov 2015	23	Disc.: Spacewatch	MPC · JPL
0	1999 XH266	MBA-M	17.7	860 m	multiple	1999–2019	24 Oct 2019	90	Disc.: Spacewatch	MPC · JPL
0	1999 XJ266	MBA-O	16.5	2.8 km	multiple	1999–2019	01 Jun 2019	62	Disc.: Spacewatch	MPC · JPL
0	1999 XK266	MBA-O	16.6	2.7 km	multiple	1999–2021	03 Jan 2021	71	Disc.: Spacewatch	MPC · JPL
0	1999 XL266	MBA-O	16.5	2.8 km	multiple	1999–2019	24 Dec 2019	53	Disc.: Spacewatch Alt.: 2010 BE135	MPC · JPL
0	1999 XM266	MBA-I	18.4	620 m	multiple	1999–2018	03 Nov 2018	43	Disc.: Kitt Peak	MPC · JPL
0	1999 XN266	MBA-M	17.0	2.2 km	multiple	1999–2020	25 May 2020	89	Disc.: Spacewatch	MPC · JPL
0	1999 XO266	JT	13.8	9.7 km	multiple	1999–2020	17 Oct 2020	84	Disc.: Spacewatch Greek camp (L4)	MPC · JPL
0	1999 XP266	MBA-M	17.3	1.9 km	multiple	1999–2019	08 Apr 2019	65	Disc.: Spacewatch	MPC · JPL
0	1999 XQ266	MBA-O	16.3	3.1 km	multiple	1999–2020	21 Jul 2020	85	Disc.: Spacewatch	MPC · JPL
0	1999 XR266	MBA-O	16.3	3.1 km	multiple	1999–2020	22 Aug 2020	72	Disc.: Spacewatch	MPC · JPL
0	1999 XS266	MBA-M	17.9	780 m	multiple	1999–2019	05 Aug 2019	44	Disc.: Spacewatch	MPC · JPL
0	1999 XT266	MBA-O	16.1	3.4 km	multiple	1999–2020	23 Oct 2020	60	Disc.: Spacewatch	MPC · JPL
0	1999 XU266	MBA-I	18.1	710 m	multiple	1999–2020	24 Jun 2020	62	Disc.: Spacewatch	MPC · JPL
0	1999 XV266	MBA-I	18.3	650 m	multiple	1999–2020	05 Mar 2020	44	Disc.: Spacewatch	MPC · JPL
0	1999 XW266	MBA-O	17.2	2.0 km	multiple	1999–2018	12 Feb 2018	55	Disc.: Spacewatch	MPC · JPL
1	1999 XX266	MBA-I	18.0	750 m	multiple	1999–2020	14 Sep 2020	50	Disc.: Spacewatch Added on 13 September 2020	MPC · JPL
0	1999 XY266	MBA-O	16.6	2.7 km	multiple	1999–2021	08 Jan 2021	77	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL

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Y

U	Designation	Class	Physical		Observations				Description and notes	Ref
			H	D	Opp.	Arc	Last	Used
4	1999 YD	APO	21.1	210 m	single	71 days	26 Feb 2000	99	Disc.: LINEAR Potentially hazardous object AMO at MPC	MPC · JPL
0	1999 YA2	MBA-O	15.8	3.9 km	multiple	1999–2020	01 Jul 2020	68	Disc.: Spacewatch	MPC · JPL
0	1999 YD2	MBA-I	18.0	750 m	multiple	1995–2020	17 Jun 2020	58	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
–	1999 YH2	MBA-O	17.1	2.1 km	single	9 days	17 Dec 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 YM2	MBA-M	17.2	2.0 km	multiple	1999–2020	23 Jun 2020	41	Disc.: Spacewatch	MPC · JPL
0	1999 YE3	MCA	16.5	2.1 km	multiple	1999–2020	20 Dec 2020	221	Disc.: LINEAR	MPC · JPL
0	1999 YD16	MBA-M	16.9	1.2 km	multiple	1999–2021	14 Jan 2021	70	Disc.: Spacewatch	MPC · JPL
0	1999 YC17	MBA-M	16.8	2.4 km	multiple	1993–2020	20 Oct 2020	133	Disc.: Spacewatch	MPC · JPL
0	1999 YN17	MBA-O	15.8	3.9 km	multiple	1999–2020	01 Nov 2020	51	Disc.: Piszkéstető Stn.	MPC · JPL
0	1999 YE19	MBA-O	17.3	1.9 km	multiple	1999–2018	17 Aug 2018	36	Disc.: Mauna Kea Obs. Added on 22 July 2020	MPC · JPL
0	1999 YM19	MBA-O	17.3	1.9 km	multiple	1999–2020	26 Apr 2020	66	Disc.: Mauna Kea Obs.	MPC · JPL
0	1999 YV19	MBA-O	16.6	2.7 km	multiple	1999–2020	11 May 2020	64	Disc.: Mauna Kea Obs. Added on 22 July 2020	MPC · JPL
0	1999 YB20	MBA-O	17.3	1.9 km	multiple	1999–2019	30 Nov 2019	33	Disc.: Mauna Kea Obs.	MPC · JPL
0	1999 YJ20	MBA-M	17.1	2.1 km	multiple	1999–2020	24 Jun 2020	63	Disc.: Mauna Kea Obs. Alt.: 2012 TC279	MPC · JPL
0	1999 YS20	MBA-O	16.4	2.9 km	multiple	1999–2020	17 Oct 2020	67	Disc.: Mauna Kea Obs. Added on 22 July 2020 Alt.: 2017 BN77	MPC · JPL
0	1999 YV20	JT	14.7	6.4 km	multiple	1999–2020	07 Oct 2020	34	Disc.: Mauna Kea Obs. Added on 17 January 2021 Alt.: 2010 CG253	MPC · JPL
0	1999 YP23	MBA-O	17.0	2.2 km	multiple	1999–2020	14 Feb 2020	108	Disc.: Spacewatch Alt.: 2016 FH38	MPC · JPL
0	1999 YZ23	MBA-M	17.5	1.8 km	multiple	1999–2020	01 Mar 2020	44	Disc.: Spacewatch	MPC · JPL
0	1999 YH25	MBA-I	18.3	650 m	multiple	1999–2019	27 Sep 2019	102	Disc.: Spacewatch Alt.: 2009 SU310, 2010 AM147, 2016 XU7	MPC · JPL
0	1999 YL26	MBA-O	16.2	3.2 km	multiple	1999–2020	15 Sep 2020	69	Disc.: Spacewatch	MPC · JPL
1	1999 YA29	MBA-M	17.9	780 m	multiple	1999–2021	16 Jan 2021	51	Disc.: Spacewatch	MPC · JPL
0	1999 YX29	MBA-I	17.8	820 m	multiple	1999–2020	12 Dec 2020	97	Disc.: Spacewatch	MPC · JPL
0	1999 YY29	HUN	18.4	620 m	multiple	1999–2021	16 Jan 2021	105	Disc.: Spacewatch	MPC · JPL
0	1999 YZ29	MBA-O	16.1	3.4 km	multiple	1999–2020	10 Dec 2020	74	Disc.: Spacewatch	MPC · JPL
0	1999 YA30	MBA-M	17.2	2.0 km	multiple	1999–2019	29 Apr 2019	54	Disc.: Spacewatch	MPC · JPL
0	1999 YB30	MBA-M	16.9	2.3 km	multiple	1999–2020	21 Jun 2020	66	Disc.: Spacewatch	MPC · JPL
0	1999 YC30	MBA-M	17.0	2.2 km	multiple	1999–2019	07 May 2019	57	Disc.: Spacewatch	MPC · JPL
0	1999 YD30	MBA-O	16.7	2.5 km	multiple	1999–2020	04 Jan 2020	54	Disc.: Spacewatch	MPC · JPL
0	1999 YE30	MBA-O	15.9	3.7 km	multiple	1999–2020	10 Nov 2020	100	Disc.: Spacewatch	MPC · JPL
1	1999 YF30	HUN	18.2	680 m	multiple	1999–2020	24 Jan 2020	89	Disc.: Spacewatch	MPC · JPL
0	1999 YG30	MBA-O	16.8	2.4 km	multiple	1999–2020	23 Aug 2020	46	Disc.: Spacewatch	MPC · JPL
0	1999 YJ30	MBA-M	17.8	1.2 km	multiple	1999–2020	14 Nov 2020	88	Disc.: Spacewatch	MPC · JPL
0	1999 YK30	MBA-O	16.7	2.5 km	multiple	1999–2020	27 Apr 2020	53	Disc.: Spacewatch	MPC · JPL
0	1999 YL30	MBA-O	16.0	3.5 km	multiple	1999–2020	16 Oct 2020	86	Disc.: Spacewatch	MPC · JPL
0	1999 YM30	MBA-O	16.5	2.8 km	multiple	1999–2020	11 Nov 2020	72	Disc.: Spacewatch	MPC · JPL
0	1999 YN30	JT	14.5	7.0 km	multiple	1999–2020	20 Oct 2020	195	Disc.: Spacewatch Greek camp (L4)	MPC · JPL
0	1999 YO30	JT	14.0	8.8 km	multiple	1999–2020	06 Dec 2020	90	Disc.: Spacewatch Greek camp (L4) Alt.: 2013 BW16	MPC · JPL
1	1999 YP30	MBA-I	18.6	570 m	multiple	1999–2019	19 Sep 2019	47	Disc.: Spacewatch	MPC · JPL
2	1999 YR30	MBA-I	18.8	520 m	multiple	1999–2021	16 Jan 2021	40	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 18 January 2021.
3. Johnston, Wm. Robert (18 August 2020). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 18 January 2021.
4. "List Of Jupiter Trojans". Minor Planet Center. 8 December 2020. Retrieved 18 January 2021.