List of unnumbered minor planets: 1999 A–R

This is a partial list of unnumbered minor planets for principal provisional designations assigned between 1 January and 15 September 1999. As of June 2024^[update], a total of 400 bodies remain unnumbered for this period.^[1]^[2]^[3] 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.
Unclassified

A

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

0	1999 AF4	AMO	18.5	710 m	multiple	1998–2022	24 Sep 2022	496	Disc.: LINEAR	MPC · JPL
6	1999 AM10	APO	21.0	220 m	single	11 days	24 Jan 1999	27	Disc.: LINEAR	MPC · JPL
6	1999 AO10	ATE	23.9	59 m	single	33 days	15 Feb 1999	73	Disc.: LINEAR	MPC · JPL
0	1999 AU12	MBA-O	17.26	2.0 km	multiple	1994–2021	07 Jun 2021	82	Disc.: Spacewatch Alt.: 2015 DM118	MPC · JPL
0	1999 AZ14	MBA-M	18.11	1.0 km	multiple	1999–2021	14 Apr 2021	50	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1999 AN16	HUN	19.44	410 m	multiple	1999–2024	30 Sep 2024	45	Disc.: 45Spacewatch Alt.: 2015 BN466	MPC · JPL
0	1999 AZ27	MBA-O	16.7	2.5 km	multiple	1999–2019	29 Oct 2019	75	Disc.: Spacewatch	MPC · JPL
0	1999 AS28	MBA-M	16.8	1.8 km	multiple	1999–2020	15 Feb 2020	180	Disc.: Spacewatch Alt.: 2010 LN45, 2014 QC9	MPC · JPL
0	1999 AE33	MBA-O	16.7	2.5 km	multiple	1999–2021	16 Jan 2021	62	Disc.: Spacewatch	MPC · JPL
0	1999 AW39	MBA-I	17.8	820 m	multiple	1999–2020	15 Oct 2020	70	Disc.: Spacewatch	MPC · JPL
0	1999 AX39	MBA-O	17.23	2.0 km	multiple	1999–2020	15 Feb 2020	65	Disc.: Spacewatch	MPC · JPL

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B

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

6	1999 BO	AMO	19.1	540 m	single	24 days	09 Feb 1999	58	Disc.: LINEAR	MPC · JPL
0	1999 BA32	MBA-I	18.79	520 m	multiple	1999–2021	31 Oct 2021	46	Disc.: Spacewatch	MPC · JPL
7	1999 BL33	AMO	21.9	150 m	single	21 days	07 Feb 1999	17	Disc.: Spacewatch	MPC · JPL
0	1999 BT35	MBA-I	18.62	560 m	multiple	1999–2021	08 Sep 2021	77	Disc.: Spacewatch	MPC · JPL
0	1999 BU35	MBA-I	19.2	430 m	multiple	1999–2020	05 Nov 2020	48	Disc.: Spacewatch	MPC · JPL

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C

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

8	1999 CQ2	APO	27.3	12 m	single	6 days	13 Feb 1999	16	Disc.: Spacewatch	MPC · JPL
5	1999 CS3	MCA	18.7	540 m	single	38 days	20 Mar 1999	48	Disc.: LINEAR	MPC · JPL
5	1999 CG9	APO	25.2	32 m	single	24 days	06 Mar 1999	42	Disc.: LINEAR	MPC · JPL
E	1999 CW118	TNO	7.8	95 km	single	86 days	07 May 1999	7	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 CX118	TNO	7.1	130 km	single	62 days	13 Apr 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
3	1999 CY118	TNO	8.67	70 km	multiple	1999–2017	03 Mar 2017	37	Disc.: Mauna Kea Obs. LoUTNOs, SDO	MPC · JPL
1	1999 CZ118	TNO	7.9	99 km	multiple	1999–2016	13 Mar 2016	29	Disc.: Mauna Kea Obs. LoUTNOs, SDO	MPC · JPL
E	1999 CA119	TNO	7.7	99 km	single	86 days	07 May 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
3	1999 CB119	TNO	7.13	204 km	multiple	1999–2022	08 Apr 2022	37	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot), BR-mag: 1.93; taxonomy: RR	MPC · JPL
2	1999 CC119	TNO	7.2	121 km	multiple	1999–2019	05 Apr 2019	31	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 CD119	TNO	7.3	119 km	single	62 days	13 Apr 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
2	1999 CH119	TNO	7.1	158 km	multiple	1999–2018	15 Mar 2018	24	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
2	1999 CJ119	TNO	7.4	110 km	multiple	1999–2018	18 Mar 2018	33	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold), BR-mag: 2.07	MPC · JPL
E	1999 CK119	TNO	7.9	90 km	single	8 days	19 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
3	1999 CM119	TNO	7.9	87 km	multiple	1999–2005	03 Nov 2005	14	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold), BR-mag: 1.78	MPC · JPL
3	1999 CN119	TNO	8.1	80 km	multiple	1999–2018	09 Dec 2018	21	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
0	1999 CD129	MBA-O	17.19	2.0 km	multiple	1992–2021	08 May 2021	77	Disc.: Mauna Kea Obs. Added on 17 January 2021 Alt.: 2018 TM19	MPC · JPL
0	1999 CZ129	MBA-M	18.18	750 m	multiple	1999–2022	26 Dec 2022	171	Disc.: Mauna Kea Obs.	MPC · JPL
–	1999 CB130	MBA-O	—	—	single	2 days	08 Feb 1999	6	Disc.: Mauna Kea Obs.	MPC · JPL
1	1999 CD130	MBA-I	19.0	470 m	multiple	1999-2020	23 May 2020	44	Disc.: Mauna Kea Obs. Alt.: 2020 HM81	MPC · JPL
E	1999 CE130	MBA-O	—	—	single	3 days	09 Feb 1999	8	Disc.: Mauna Kea Obs.	MPC · JPL
0	1999 CL130	MBA-I	18.4	620 m	multiple	1999–2020	20 Oct 2020	32	Disc.: Mauna Kea Obs.	MPC · JPL
0	1999 CS130	MBA-O	17.68	1.6 km	multiple	1999–2021	06 Oct 2021	54	Disc.: Mauna Kea Obs. Added on 22 July 2020	MPC · JPL
1	1999 CD131	MBA-I	18.9	490 m	multiple	1999–2020	14 Aug 2020	55	Disc.: Mauna Kea Obs.	MPC · JPL
E	1999 CW131	TNO	7.9	90 km	multiple	1999–2000	07 Apr 2000	8	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 CY131	TNO	8.1	100 km	single	8 days	19 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
E	1999 CZ131	TNO	8.1	82 km	single	8 days	19 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 CA132	TNO	7.4	114 km	single	56 days	08 Apr 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
4	1999 CQ133	TNO	6.91	213 km	multiple	1999–2021	20 Mar 2021	32	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot), BR-mag: 1.35	MPC · JPL
E	1999 CR133	TNO	8.1	82 km	single	6 days	18 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
0	1999 CU133	MCA	19.09	450 m	multiple	1999–2021	05 Jul 2021	51	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1999 CB141	MBA-M	17.9	1.5 km	multiple	1999–2021	12 Jan 2021	58	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2017 CE26	MPC · JPL
0	1999 CF141	MBA-I	18.1	710 m	multiple	1999–2019	25 Jun 2019	82	Disc.: Spacewatch Alt.: 2015 HT150	MPC · JPL
0	1999 CE143	MBA-O	17.37	1.9 km	multiple	1999–2021	10 May 2021	62	Disc.: Mauna Kea Obs.	MPC · JPL
0	1999 CQ144	MBA-I	19.0	470 m	multiple	1999–2018	08 Nov 2018	44	Disc.: Mauna Kea Obs. Alt.: 2011 SQ44	MPC · JPL
0	1999 CS144	MBA-M	18.0	1.1 km	multiple	1999–2020	26 Jan 2020	39	Disc.: Mauna Kea Obs. Added on 17 January 2021	MPC · JPL
3	1999 CM153	TNO	7.4	110 km	multiple	1999–2015	23 Mar 2015	25	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
9	1999 CN153	TNO	7.70	148 km	multiple	1999–2006	02 Mar 2006	19	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
E	1999 CP153	TNO	7.7	99 km	multiple	1999–2000	07 Apr 2000	11	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
5	1999 CQ153	TNO	8.0	83 km	multiple	1999–2015	20 Mar 2015	14	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 CR153	TNO	8.2	79 km	single	31 days	14 Mar 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 CS153	TNO	8.1	82 km	multiple	1999–2000	07 Apr 2000	10	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 CT153	TNO	8.1	82 km	single	32 days	15 Mar 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
5	1999 CG154	TNO	7.4	110 km	multiple	1999–2005	10 Mar 2005	15	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
5	1999 CH154	TNO	7.66	98 km	multiple	1999–2015	16 Mar 2015	13	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 CL154	MBA-I	—	—	single	2 days	08 Feb 1999	6	Disc.: Mauna Kea Obs.	MPC · JPL
6	1999 CM154	MBA-O	16.7	2.5 km	multiple	1999–2020	11 Nov 2020	9	Disc.: Mauna Kea Obs.	MPC · JPL
E	1999 CN154	MBA-O	—	—	single	2 days	08 Feb 1999	6	Disc.: Mauna Kea Obs.	MPC · JPL
E	1999 CM155	MBA-O	—	—	single	2 days	08 Feb 1999	6	Disc.: Mauna Kea Obs.	MPC · JPL
1	1999 CR155	MCA	17.6	900 m	multiple	1999-2021	10 Apr 2021	66	Disc.: LONEOS Alt.: 2010 CV75	MPC · JPL
0	1999 CU156	MBA-O	16.16	3.3 km	multiple	1999–2021	09 Apr 2021	93	Disc.: Spacewatch Alt.: 2010 LS3, 2015 AJ16	MPC · JPL
3	1999 CK158	TNO	8.3	91 km	multiple	1999–2018	18 Feb 2018	19	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
0	1999 CT158	MBA-O	16.6	2.7 km	multiple	1999–2021	04 Jan 2021	64	Disc.: Spacewatch	MPC · JPL
0	1999 CP160	MBA-O	16.51	2.8 km	multiple	1999–2021	17 Apr 2021	100	Disc.: Spacewatch Alt.: 2010 KH85	MPC · JPL

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D

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

3	1999 DA	TNO	7.9	87 km	multiple	1999–2015	24 Apr 2015	46	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
0	1999 DB2	AMO	19.0	560 m	multiple	1999–2020	13 Jun 2020	189	Disc.: LINEAR	MPC · JPL
5	1999 DY2	AMO	21.9	150 m	single	56 days	15 Apr 1999	74	Disc.: LINEAR	MPC · JPL
3	1999 DJ3	AMO	20.9	230 m	multiple	1999–2012	10 Mar 2012	43	Disc.: Spacewatch	MPC · JPL
E	1999 DZ7	TNO	8.8	82 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, plutino?	MPC · JPL
E	1999 DA8	TNO	12.4	16 km	single	1 day	17 Feb 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, plutino?	MPC · JPL
E	1999 DB8	TNO	10.0	42 km	single	35 days	23 Mar 1999	7	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
E	1999 DC8	TNO	10.0	34 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 DD8	TNO	11.1	28 km	single	1 day	17 Feb 1999	5	Disc.: Mauna Kea Obs. LoUTNOs, plutino?	MPC · JPL
E	1999 DE8	TNO	9.6	41 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 DF8	TNO	9.9	36 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 DG8	TNO	8.1	91 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, SDO	MPC · JPL
5	1999 DH8	TNO	8.7	60 km	multiple	1999–2001	24 Feb 2001	11	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 DL8	TNO	9.6	62 km	single	35 days	23 Mar 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
E	1999 DM8	TNO	9.7	39 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 DN8	TNO	9.8	38 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 DO8	TNO	10.0	34 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 DP8	TNO	8.9	63 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, SDO	MPC · JPL
E	1999 DQ8	TNO	9.1	52 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
E	1999 DR8	TNO	9.3	47 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL

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E

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

0	1999 EO3	AMO	19.09	540 m	multiple	1999–2021	17 Apr 2021	308	Disc.: Spacewatch	MPC · JPL
0	1999 EF5	AMO	19.68	450 m	multiple	1999–2019	27 Mar 2019	103	Disc.: LINEAR	MPC · JPL
0	1999 ES6	MBA-I	18.79	500 m	multiple	1999–2023	09 Oct 2023	51	Disc.: Spacewatch Alt.: 2021 BS4	MPC · JPL
0	1999 EU7	MBA-M	17.91	1.1 km	multiple	1999–2021	13 Apr 2021	64	Disc.: Spacewatch Added on 9 March 2021	MPC · JPL
0	1999 EQ15	MBA-M	16.60	1.4 km	multiple	1999–2021	31 Oct 2021	145	Disc.: Spacewatch Alt.: 2010 BU93	MPC · JPL

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F

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

7	1999 FR5	APO	23.4	74 m	single	6 days	25 Mar 1999	77	Disc.: LINEAR	MPC · JPL
8	1999 FQ10	APO	23.2	81 m	single	4 days	24 Mar 1999	15	Disc.: LINEAR	MPC · JPL
0	1999 FN19	APO	22.5	110 m	multiple	1999–2018	11 Aug 2018	320	Disc.: LINEAR AMO at MPC	MPC · JPL
1	1999 FP19	APO	20.1	340 m	multiple	1999–2018	09 Sep 2018	75	Disc.: LINEAR	MPC · JPL
8	1999 FR19	APO	22.0	140 m	single	3 days	25 Mar 1999	39	Disc.: LINEAR Potentially hazardous object	MPC · JPL
0	1999 FP63	MBA-I	18.05	730 m	multiple	1999–2021	07 Apr 2021	214	Disc.: SDSS Alt.: 2014 JF16	MPC · JPL
0	1999 FV63	MBA-M	17.10	1.6 km	multiple	1999–2021	02 May 2021	161	Disc.: SDSS Alt.: 2008 EE17	MPC · JPL
0	1999 FJ64	MBA-O	17.0	2.2 km	multiple	1999–2021	17 Apr 2021	45	Disc.: SDSS Added on 11 May 2021 Alt.: 2010 KL120	MPC · JPL
0	1999 FN64	MBA-O	17.27	2.0 km	multiple	1999–2021	11 May 2021	71	Disc.: SDSS	MPC · JPL
0	1999 FY64	MBA-M	18.4	880 m	multiple	1999–2021	15 Mar 2021	47	Disc.: SDSS Added on 11 May 2021 Alt.: 2017 HK45	MPC · JPL
0	1999 FA65	MBA-O	17.0	2.2 km	multiple	1999–2020	19 Apr 2020	56	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1999 FK65	MBA-O	16.51	2.8 km	multiple	1999–2021	01 Dec 2021	124	Disc.: SDSS Alt.: 2011 UJ392	MPC · JPL
0	1999 FL65	MBA-I	18.20	680 m	multiple	1999–2020	12 Dec 2020	63	Disc.: SDSS Added on 11 May 2021 Alt.: 2013 YE165	MPC · JPL
2	1999 FV65	MBA-M	18.78	570 m	multiple	1999–2024	01 Mar 2024	36	Disc.: SDSS	MPC · JPL
0	1999 FP66	MBA-M	17.70	1.6 km	multiple	1999–2022	27 Jan 2022	60	Disc.: SDSS	MPC · JPL
0	1999 FU66	MBA-M	17.0	1.7 km	multiple	1999–2020	18 Apr 2020	112	Disc.: SDSS	MPC · JPL
0	1999 FW66	MBA-M	17.6	1.7 km	multiple	1999–2019	27 Oct 2019	41	Disc.: SDSS Added on 22 July 2020 Alt.: 2008 CY150	MPC · JPL
0	1999 FP67	MBA-I	18.80	520 m	multiple	1999–2021	14 May 2021	265	Disc.: SDSS Alt.: 2017 DT97	MPC · JPL
0	1999 FT67	MBA-M	16.66	2.6 km	multiple	1999–2022	08 Jan 2022	93	Disc.: SDSS	MPC · JPL
0	1999 FU67	MBA-O	16.92	2.3 km	multiple	1999–2021	15 Mar 2021	44	Disc.: SDSS Added on 11 May 2021	MPC · JPL
1	1999 FT68	MBA-I	19.13	450 m	multiple	1999–2023	26 Mar 2023	29	Disc.: SDSS	MPC · JPL
1	1999 FU68	MBA-M	18.8	730 m	multiple	1999–2020	22 Apr 2020	56	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1999 FV68	MBA-O	17.7	1.6 km	multiple	1999–2020	12 Apr 2020	37	Disc.: SDSS	MPC · JPL
0	1999 FW68	MBA-O	17.4	1.8 km	multiple	1999–2020	16 Oct 2020	34	Disc.: SDSS Added on 9 March 2021	MPC · JPL
0	1999 FX68	MBA-M	18.0	1.1 km	multiple	1999–2021	04 Oct 2021	90	Disc.: SDSS	MPC · JPL
0	1999 FA69	MBA-M	17.7	1.2 km	multiple	1999–2020	22 Apr 2020	130	Disc.: SDSS	MPC · JPL
0	1999 FD69	MBA-M	16.59	1.4 km	multiple	1999–2021	04 Oct 2021	212	Disc.: SDSS Alt.: 2003 ES7, 2013 SE92	MPC · JPL
1	1999 FK69	MBA-M	18.0	750 m	multiple	1999–2018	16 Dec 2018	30	Disc.: SDSS	MPC · JPL
0	1999 FL69	MBA-I	18.41	620 m	multiple	1999–2021	08 Sep 2021	68	Disc.: SDSS Alt.: 2006 DF107, 2011 UU227	MPC · JPL
0	1999 FO69	MBA-M	17.71	850 m	multiple	1999–2021	10 Sep 2021	84	Disc.: SDSS	MPC · JPL
0	1999 FP69	MBA-I	17.7	860 m	multiple	1999–2020	11 Dec 2020	101	Disc.: SDSS Alt.: 2019 UD33	MPC · JPL
0	1999 FM70	MBA-I	18.77	520 m	multiple	1999–2021	14 May 2021	43	Disc.: SDSS Added on 11 May 2021 Alt.: 2010 GR138, 2021 GK56	MPC · JPL
0	1999 FS70	MBA-O	16.83	2.4 km	multiple	1999–2021	14 Jul 2021	83	Disc.: SDSS Alt.: 2015 HK23, 2017 OE33	MPC · JPL
0	1999 FB71	MBA-I	17.71	850 m	multiple	1999–2021	03 Oct 2021	189	Disc.: SDSS Alt.: 2006 DP124	MPC · JPL
0	1999 FS71	MBA-O	16.7	2.5 km	multiple	1999–2021	08 Apr 2021	60	Disc.: SDSS Added on 11 May 2021	MPC · JPL
0	1999 FD72	MBA-I	17.79	820 m	multiple	1999–2021	06 Dec 2021	138	Disc.: SDSS Added on 17 January 2021	MPC · JPL
1	1999 FK72	MBA-O	17.3	1.9 km	multiple	1999–2020	05 Mar 2020	36	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1999 FP72	MBA-O	17.02	2.2 km	multiple	1999–2021	09 Aug 2021	68	Disc.: SDSS Alt.: 2012 UP37	MPC · JPL
0	1999 FU72	MBA-M	17.3	1.9 km	multiple	1999–2020	17 Dec 2020	87	Disc.: SDSS Added on 17 January 2021 Alt.: 2015 VH38	MPC · JPL
0	1999 FA73	MBA-I	18.3	650 m	multiple	1999–2018	21 Apr 2018	38	Disc.: SDSS Alt.: 2014 DP88	MPC · JPL
0	1999 FH73	MBA-M	17.83	1.5 km	multiple	1999–2022	27 Jan 2022	57	Disc.: SDSS Added on 17 January 2021 Alt.: 2015 RB166	MPC · JPL
0	1999 FT73	MBA-O	16.5	2.8 km	multiple	1999–2019	17 Dec 2019	56	Disc.: SDSS	MPC · JPL
0	1999 FK74	MBA-M	18.11	710 m	multiple	1999–2021	09 Oct 2021	87	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1999 FL74	MBA-O	16.8	2.4 km	multiple	1996–2020	22 Apr 2020	74	Disc.: SDSS	MPC · JPL
0	1999 FQ74	MBA-I	18.2	680 m	multiple	1999–2020	16 Dec 2020	51	Disc.: SDSS Added on 22 July 2020 Alt.: 2010 GL192, 2018 GB9	MPC · JPL
0	1999 FV74	MBA-I	18.0	750 m	multiple	1999–2020	02 Feb 2020	54	Disc.: SDSS Added on 22 July 2020 Alt.: 2004 TR312	MPC · JPL
0	1999 FT75	MBA-O	16.9	2.3 km	multiple	1999–2021	14 Jan 2021	77	Disc.: SDSS Added on 17 January 2021 Alt.: 2016 CB150	MPC · JPL
0	1999 FW75	MBA-M	17.57	910 m	multiple	1999–2021	05 Oct 2021	154	Disc.: SDSS	MPC · JPL
0	1999 FB76	MBA-M	17.3	1.5 km	multiple	1999–2021	08 Jun 2021	129	Disc.: SDSS	MPC · JPL
0	1999 FK77	MBA-O	16.71	2.5 km	multiple	1999–2021	03 May 2021	125	Disc.: SDSS Alt.: 2010 LM152	MPC · JPL
0	1999 FL77	MBA-I	18.73	530 m	multiple	1999–2021	30 Oct 2021	59	Disc.: SDSS Added on 5 November 2021	MPC · JPL
0	1999 FQ77	MBA-O	17.07	2.1 km	multiple	1999–2021	30 Nov 2021	112	Disc.: SDSS Added on 22 July 2020 Alt.: 2001 TY249, 2006 VR174	MPC · JPL
0	1999 FE78	MBA-I	18.2	680 m	multiple	1999–2021	04 Jan 2021	62	Disc.: SDSS Alt.: 2014 EG27	MPC · JPL
0	1999 FK78	MBA-I	18.7	540 m	multiple	1999–2021	15 Apr 2021	40	Disc.: SDSS Added on 11 May 2021 Alt.: 2021 EG6	MPC · JPL
0	1999 FU78	MBA-I	17.12	1.1 km	multiple	1999–2022	27 Jan 2022	189	Disc.: SDSS	MPC · JPL
0	1999 FL79	MBA-M	18.4	620 m	multiple	1999–2020	25 May 2020	30	Disc.: SDSS	MPC · JPL
0	1999 FW79	MBA-I	18.67	550 m	multiple	1999–2021	04 Aug 2021	47	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1999 FE80	MBA-M	17.52	1.3 km	multiple	1999–2021	14 Apr 2021	52	Disc.: SDSS Added on 11 May 2021	MPC · JPL
0	1999 FL80	MBA-M	18.05	1.0 km	multiple	1999–2021	11 May 2021	101	Disc.: SDSS Alt.: 2012 BJ126	MPC · JPL
1	1999 FN80	MBA-I	18.96	490 m	multiple	1999–2024	01 Apr 2024	22	Disc.: SDSS Alt.: 2013 CD26	MPC · JPL
0	1999 FS80	MBA-M	17.82	1.1 km	multiple	1999–2021	14 Jun 2021	38	Disc.: SDSS Added on 24 December 2021	MPC · JPL
0	1999 FZ80	MBA-O	16.2	3.2 km	multiple	1999–2020	25 Nov 2020	95	Disc.: SDSS Alt.: 2007 TR129	MPC · JPL
0	1999 FO81	MBA-M	17.0	1.7 km	multiple	1999–2020	26 Apr 2020	67	Disc.: SDSS Added on 11 May 2021 Alt.: 2014 XS50	MPC · JPL
0	1999 FQ81	MBA-I	18.51	590 m	multiple	1999–2021	15 Sep 2021	44	Disc.: SDSS Added on 30 September 2021 Alt.: 2014 QM560	MPC · JPL
0	1999 FU81	MCA	18.06	730 m	multiple	1999–2021	07 Sep 2021	167	Disc.: SDSS Alt.: 2014 QM143	MPC · JPL
0	1999 FX81	MBA-M	17.6	1.3 km	multiple	1999–2016	10 May 2016	35	Disc.: SDSS Added on 22 July 2020	MPC · JPL
1	1999 FG82	MBA-I	17.6	900 m	multiple	1999–2020	23 Dec 2020	60	Disc.: SDSS	MPC · JPL
0	1999 FK82	MBA-O	16.9	2.3 km	multiple	1999–2020	17 Oct 2020	46	Disc.: SDSS Added on 17 January 2021 Alt.: 2008 CY112	MPC · JPL
1	1999 FK83	MBA-M	17.4	1.4 km	multiple	1999–2016	22 Apr 2016	51	Disc.: SDSS	MPC · JPL
0	1999 FL83	MBA-O	16.2	3.2 km	multiple	1999–2021	07 Jun 2021	85	Disc.: SDSS Added on 11 May 2021	MPC · JPL
0	1999 FS83	MBA-O	17.10	2.1 km	multiple	1999–2021	10 Aug 2021	82	Disc.: SDSS	MPC · JPL
0	1999 FA84	MBA-M	17.8	1.2 km	multiple	1999–2021	04 Mar 2021	50	Disc.: SDSS Added on 9 March 2021	MPC · JPL
0	1999 FH84	MBA-O	15.7	4.0 km	multiple	1999–2021	06 Mar 2021	158	Disc.: SDSS Added on 11 May 2021 Alt.: 2003 YV42	MPC · JPL
0	1999 FM84	MBA-M	17.77	1.6 km	multiple	1999–2022	27 Jan 2022	56	Disc.: SDSS Added on 9 March 2021 Alt.: 2011 VS13, 2020 SQ13	MPC · JPL
0	1999 FE85	MBA-O	16.51	2.8 km	multiple	1999–2022	27 Jan 2022	66	Disc.: SDSS Alt.: 2016 CG163	MPC · JPL
0	1999 FA86	MBA-M	17.45	1.8 km	multiple	1999–2022	27 Jan 2022	70	Disc.: SDSS Added on 17 January 2021 Alt.: 2008 AH34	MPC · JPL
0	1999 FM86	MBA-I	18.41	620 m	multiple	1999–2021	11 Jun 2021	89	Disc.: SDSS Added on 11 May 2021 Alt.: 2021 GC34	MPC · JPL
0	1999 FV86	MBA-O	17.5	1.8 km	multiple	1999–2020	22 Mar 2020	76	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1999 FA87	MBA-I	17.74	840 m	multiple	1999–2021	13 May 2021	150	Disc.: SDSS	MPC · JPL
2	1999 FL87	MBA-M	18.1	1.0 km	multiple	1999–2017	01 May 2017	38	Disc.: SDSS	MPC · JPL
2	1999 FN87	MBA-M	18.5	1.1 km	multiple	1999–2017	14 Feb 2017	20	Disc.: SDSS	MPC · JPL
0	1999 FA88	MBA-I	19.03	460 m	multiple	1995–2021	15 Apr 2021	42	Disc.: SDSS Added on 11 May 2021 Alt.: 2021 EB9	MPC · JPL
0	1999 FL88	MBA-O	17.17	2.0 km	multiple	1999–2021	08 Sep 2021	112	Disc.: SDSS	MPC · JPL
0	1999 FN88	MBA-O	16.95	2.3 km	multiple	1999–2021	13 Jun 2021	82	Disc.: SDSS	MPC · JPL
0	1999 FY88	MBA-O	16.7	2.5 km	multiple	1999–2020	25 May 2020	99	Disc.: SDSS Alt.: 2001 SE192	MPC · JPL
0	1999 FV90	MBA-M	17.6	1.7 km	multiple	1999–2021	18 Jan 2021	36	Disc.: SDSS Alt.: 2009 SG94	MPC · JPL
1	1999 FA91	MBA-I	18.96	480 m	multiple	1999–2024	11 Feb 2024	33	Disc.: SDSS Added on 21 August 2021 Alt.: 2021 JN35	MPC · JPL
0	1999 FL91	MBA-I	18.4	620 m	multiple	1999–2021	19 Mar 2021	61	Disc.: SDSS Added on 11 May 2021 Alt.: 2006 AA70	MPC · JPL
0	1999 FN91	MBA-O	16.36	3.0 km	multiple	1999–2021	03 May 2021	77	Disc.: SDSS Alt.: 2010 LN96, 2015 DZ112	MPC · JPL
0	1999 FR91	MBA-O	16.70	2.5 km	multiple	1999–2021	13 Apr 2021	95	Disc.: SDSS Alt.: 2015 AF240	MPC · JPL
0	1999 FF92	MBA-I	17.8	820 m	multiple	1999–2021	06 Mar 2021	63	Disc.: SDSS Added on 9 March 2021 Alt.: 2012 TJ136	MPC · JPL
0	1999 FJ92	MBA-O	17.0	2.2 km	multiple	1999–2021	10 May 2021	40	Disc.: SDSS Added on 17 June 2021 Alt.: 2015 EO22	MPC · JPL
0	1999 FM92	MBA-O	16.66	2.6 km	multiple	1999–2021	15 Apr 2021	63	Disc.: SDSS Added on 11 May 2021 Alt.: 2010 DH114	MPC · JPL
0	1999 FR92	MBA-O	16.83	2.4 km	multiple	1999–2021	31 May 2021	121	Disc.: SDSS Alt.: 2015 EE9	MPC · JPL
0	1999 FV92	MBA-O	16.0	3.5 km	multiple	1999–2021	18 Jan 2021	149	Disc.: SDSS Alt.: 2013 TT80	MPC · JPL
0	1999 FA93	MBA-M	17.27	1.0 km	multiple	1999–2021	31 Oct 2021	115	Disc.: SDSS	MPC · JPL
0	1999 FO93	MBA-O	16.70	2.5 km	multiple	1999–2021	20 Mar 2021	53	Disc.: SDSS Added on 30 September 2021 Alt.: 2011 LO16, 2017 SR9	MPC · JPL
0	1999 FC94	MBA-M	18.27	930 m	multiple	1999–2021	10 May 2021	46	Disc.: SDSS Added on 11 May 2021 Alt.: 2016 AG61, 2021 GP40	MPC · JPL
0	1999 FX94	MBA-O	17.0	2.2 km	multiple	1999–2020	27 Apr 2020	51	Disc.: SDSS Added on 17 January 2021 Alt.: 2009 CH77, 2015 HT113	MPC · JPL
0	1999 FF95	MBA-O	16.1	3.4 km	multiple	1999–2021	10 Jan 2021	119	Disc.: SDSS Alt.: 2010 KK14	MPC · JPL
0	1999 FH95	MBA-O	15.7	4.0 km	multiple	1999–2021	17 Jan 2021	183	Disc.: SDSS Alt.: 2008 WK105, 2010 JE206, 2019 ON17	MPC · JPL
0	1999 FJ95	MBA-I	18.12	710 m	multiple	1999–2021	30 Nov 2021	119	Disc.: SDSS Alt.: 2009 BZ130	MPC · JPL
0	1999 FK95	MBA-I	18.63	560 m	multiple	1999–2021	18 May 2021	48	Disc.: SDSS Added on 11 May 2021	MPC · JPL
0	1999 FT95	MBA-M	17.7	1.6 km	multiple	1999–2019	03 Oct 2019	28	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1999 FS96	MBA-M	17.50	940 m	multiple	1999–2021	03 Dec 2021	77	Disc.: SDSS Alt.: 2016 PO34	MPC · JPL
0	1999 FZ96	MBA-M	17.22	1.5 km	multiple	1999–2021	27 Oct 2021	213	Disc.: Spacewatch Alt.: 2004 RE125, 2013 TA154	MPC · JPL
0	1999 FK97	MBA-I	18.72	540 m	multiple	1996–2020	26 Oct 2020	99	Disc.: SDSS	MPC · JPL
–	1999 FL97	MBA-M	19.1	450 m	single	2 days	22 Mar 1999	6	Disc.: SDSS	MPC · JPL
0	1999 FQ97	MBA-I	18.32	640 m	multiple	1999–2021	09 Nov 2021	78	Disc.: Spacewatch Alt.: 2009 BJ54, 2016 DS20	MPC · JPL
0	1999 FF98	MBA-O	16.04	3.4 km	multiple	1999–2021	01 Nov 2021	113	Disc.: SDSS Alt.: 2010 CU230	MPC · JPL
0	1999 FG98	MBA-M	16.7	2.5 km	multiple	1999–2021	15 Jan 2021	93	Disc.: SDSS	MPC · JPL
0	1999 FL98	HUN	18.44	610 m	multiple	1999–2021	12 May 2021	95	Disc.: SDSS	MPC · JPL
0	1999 FS98	MBA-M	17.55	920 m	multiple	1999–2021	14 Nov 2021	126	Disc.: SDSS Alt.: 2010 CC238	MPC · JPL
0	1999 FX98	MBA-O	16.51	2.8 km	multiple	1999–2021	10 Apr 2021	76	Disc.: SDSS Alt.: 2010 LY85	MPC · JPL
0	1999 FA99	MBA-M	17.57	1.7 km	multiple	1999–2021	17 Apr 2021	95	Disc.: SDSS	MPC · JPL
0	1999 FC99	MBA-O	17.42	1.8 km	multiple	1999–2021	02 Dec 2021	92	Disc.: SDSS	MPC · JPL
0	1999 FD99	MBA-O	17.26	2.0 km	multiple	1999–2021	14 May 2021	86	Disc.: SDSS Alt.: 2010 MG78	MPC · JPL
0	1999 FO99	MBA-O	17.44	1.8 km	multiple	1999–2021	07 Nov 2021	91	Disc.: SDSS	MPC · JPL
0	1999 FQ99	MBA-I	18.1	710 m	multiple	1999–2020	07 Dec 2020	57	Disc.: SDSS	MPC · JPL
0	1999 FT99	MBA-M	17.9	1.5 km	multiple	1999–2017	11 Aug 2017	42	Disc.: SDSS	MPC · JPL
1	1999 FW99	MBA-I	18.3	650 m	multiple	1999–2018	18 Aug 2018	38	Disc.: SDSS	MPC · JPL
0	1999 FZ99	MBA-I	18.9	490 m	multiple	1999–2021	04 Jan 2021	50	Disc.: SDSS	MPC · JPL
0	1999 FB100	HUN	18.67	550 m	multiple	1999–2022	05 Jan 2022	106	Disc.: SDSS	MPC · JPL
0	1999 FC100	MBA-I	18.4	620 m	multiple	1999–2020	22 Jun 2020	63	Disc.: SDSS Alt.: 2010 KP56	MPC · JPL
0	1999 FD100	MBA-I	18.07	720 m	multiple	1999–2021	27 Oct 2021	119	Disc.: SDSS	MPC · JPL
0	1999 FF100	MBA-M	17.50	940 m	multiple	1999–2021	30 Oct 2021	87	Disc.: SDSS	MPC · JPL
0	1999 FK100	HUN	19.62	350 m	multiple	1999–2021	15 Apr 2021	40	Disc.: SDSS	MPC · JPL
1	1999 FL100	MBA-I	19.1	450 m	multiple	1999–2020	22 Apr 2020	55	Disc.: SDSS	MPC · JPL
0	1999 FN100	MBA-I	16.9	1.2 km	multiple	1999–2021	18 Jan 2021	76	Disc.: SDSS Alt.: 2010 HT19	MPC · JPL
0	1999 FO100	MBA-O	16.4	2.9 km	multiple	1999–2020	24 Mar 2020	69	Disc.: SDSS Alt.: 2009 BP213	MPC · JPL
0	1999 FX100	MBA-O	16.7	2.5 km	multiple	1999–2021	17 Feb 2021	59	Disc.: SDSS Alt.: 2007 TQ498	MPC · JPL
0	1999 FY100	MBA-M	17.5	1.8 km	multiple	1999–2018	05 Oct 2018	38	Disc.: SDSS	MPC · JPL
0	1999 FB101	MBA-M	17.1	1.6 km	multiple	1999–2020	25 Jan 2020	36	Disc.: SDSS	MPC · JPL
0	1999 FD101	MBA-O	17.3	1.9 km	multiple	1999–2020	16 May 2020	67	Disc.: SDSS	MPC · JPL
0	1999 FE101	MBA-I	18.3	650 m	multiple	1999–2020	15 Sep 2020	56	Disc.: SDSS	MPC · JPL
1	1999 FH101	MBA-M	18.2	960 m	multiple	1999–2017	13 Jun 2017	33	Disc.: SDSS	MPC · JPL
1	1999 FK101	MBA-M	18.56	580 m	multiple	1999–2021	26 Nov 2021	43	Disc.: No observations Added on 19 October 2020	MPC · JPL
0	1999 FM101	MBA-O	17.37	1.9 km	multiple	1999–2021	14 Apr 2021	33	Disc.: SDSS Added on 21 August 2021	MPC · JPL
0	1999 FO101	MBA-O	17.16	2.1 km	multiple	1999–2022	27 Apr 2022	87	Disc.: LONEOS Added on 29 January 2022	MPC · JPL

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G

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

5	1999 GL4	APO	19.7	410 m	multiple	1998–1999	22 May 1999	46	Disc.: LINEAR Potentially hazardous object	MPC · JPL
3	1999 GR6	APO	20.0	360 m	multiple	1999–2013	14 Apr 2013	54	Disc.: LINEAR	MPC · JPL
0	1999 GW12	MBA-I	18.8	520 m	multiple	1999–2020	20 Oct 2020	63	Disc.: Spacewatch	MPC · JPL
0	1999 GF13	MBA-I	18.05	730 m	multiple	1999–2021	13 May 2021	88	Disc.: Spacewatch Added on 11 May 2021 Alt.: 2006 BH60, 2010 GD209	MPC · JPL
3	1999 GS46	TNO	6.9	214 km	multiple	1999–2016	29 May 2016	34	Disc.: La Silla Obs. LoUTNOs, cubewano (hot), BR-mag: 1.76	MPC · JPL
0	1999 GA64	MBA-I	17.9	780 m	multiple	1999–2021	15 Jan 2021	72	Disc.: Spacewatch Alt.: 2010 EB92	MPC · JPL
0	1999 GC64	MBA-O	16.80	2.4 km	multiple	1999–2021	09 May 2021	114	Disc.: Spacewatch	MPC · JPL
0	1999 GD64	MBA-M	17.12	1.6 km	multiple	1999–2021	15 May 2021	74	Disc.: Spacewatch	MPC · JPL
1	1999 GE64	MBA-I	18.8	520 m	multiple	1999–2017	18 Aug 2017	27	Disc.: No observations Added on 19 October 2020	MPC · JPL

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H

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

7	1999 HC1	APO	24.5	45 m	single	5 days	21 Apr 1999	11	Disc.: LINEAR AMO at MPC	MPC · JPL
0	1999 HW1	AMO	20.05	350 m	multiple	1999–2021	11 May 2021	201	Disc.: LINEAR	MPC · JPL
1	1999 HX1	AMO	19.9	370 m	multiple	1999–2003	31 Jul 2003	108	Disc.: LINEAR	MPC · JPL
0	1999 HH7	MBA-I	18.16	690 m	multiple	1999–2020	28 Apr 2020	52	Disc.: Spacewatch Added on 11 May 2021 Alt.: 2006 JU88	MPC · JPL
3	1999 HS11	TNO	6.9	139 km	multiple	1999–2014	25 Apr 2014	33	Disc.: Kitt Peak LoUTNOs, cubewano (cold), BR-mag: 1.76; taxonomy: RR	MPC · JPL
E	1999 HY11	TNO	8.3	75 km	single	20 days	07 May 1999	6	Disc.: Kitt Peak LoUTNOs, cubewano?	MPC · JPL
E	1999 HZ11	TNO	8.4	72 km	single	20 days	07 May 1999	5	Disc.: Kitt Peak LoUTNOs, cubewano?	MPC · JPL
E	1999 HA12	TNO	7.8	95 km	single	50 days	06 Jun 1999	8	Disc.: Kitt Peak LoUTNOs, cubewano?	MPC · JPL
8	1999 HD12	CEN	12.8	15 km	single	50 days	05 Jun 1999	11	Disc.: Kitt Peak	MPC · JPL
3	1999 HG12	TNO	7.2	131 km	multiple	1999–2013	14 Mar 2013	23	Disc.: Kitt Peak LoUTNOs, res · 4:7, BR-mag: 1.61; taxonomy: IR-RR	MPC · JPL
3	1999 HH12	TNO	7.0	132 km	multiple	1999–2015	22 May 2015	25	Disc.: Kitt Peak LoUTNOs, cubewano (cold)	MPC · JPL
3	1999 HJ12	TNO	7.4	110 km	multiple	1999–2015	15 Apr 2015	29	Disc.: Kitt Peak LoUTNOs, cubewano (cold)	MPC · JPL
0	1999 HO13	MBA-M	17.44	970 m	multiple	1999–2021	02 Dec 2021	53	Disc.: Spacewatch	MPC · JPL

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J

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

7	1999 JZ10	APO	21.8	160 m	single	20 days	03 Jun 1999	51	Disc.: LINEAR Potentially hazardous object	MPC · JPL
0	1999 JE16	MBA-I	18.71	540 m	multiple	1999–2022	05 Jan 2022	69	Disc.: Spacewatch	MPC · JPL
E	1999 JV127	CEN	10.4	46 km	single	8 days	18 May 1999	44	Disc.: Cerro Tololo	MPC · JPL
–	1999 JA132	TNO	7.7	99 km	single	59 days	19 May 1999	41	Disc.: Cerro Tololo LoUTNOs, cubewano?	MPC · JPL
E	1999 JB132	TNO	8.2	108 km	single	8 days	18 May 1999	25	Disc.: Cerro Tololo LoUTNOs, plutino?	MPC · JPL
E	1999 JC132	TNO	8.7	86 km	single	1 day	11 May 1999	24	Disc.: Cerro Tololo LoUTNOs, plutino?	MPC · JPL
3	1999 JD132	TNO	7.7	148 km	multiple	1999–2018	10 Apr 2018	67	Disc.: Cerro Tololo LoUTNOs, cubewano (hot), BR-mag: 1.59	MPC · JPL
E	1999 JE132	TNO	8.6	90 km	single	9 days	19 May 1999	55	Disc.: Cerro Tololo LoUTNOs, plutino?	MPC · JPL
E	1999 JF132	TNO	7.9	90 km	single	9 days	19 May 1999	37	Disc.: Cerro Tololo LoUTNOs, cubewano?	MPC · JPL
E	1999 JH132	TNO	9.6	41 km	single	9 days	19 May 1999	4	Disc.: Cerro Tololo LoUTNOs, cubewano?	MPC · JPL
E	1999 JJ132	TNO	8.8	60 km	single	9 days	19 May 1999	4	Disc.: Cerro Tololo LoUTNOs, cubewano?	MPC · JPL
E	1999 JK132	TNO	9.2	68 km	single	9 days	19 May 1999	4	Disc.: Cerro Tololo LoUTNOs, plutino?	MPC · JPL

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K

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

7	1999 KL1	APO	21.5	180 m	single	16 days	02 Jun 1999	26	Disc.: LINEAR	MPC · JPL
1	1999 KJ6	MCA	18.4	1.2 km	multiple	1999–2020	24 Jun 2020	68	Disc.: LINEAR Added on 13 September 2020 Alt.: 2010 NO142	MPC · JPL
E	1999 KT16	TNO	8.8	60 km	single	1 day	19 May 1999	4	Disc.: Cerro Tololo LoUTNOs, cubewano?	MPC · JPL
E	1999 KK17	TNO	8.8	60 km	single	9 days	19 May 1999	5	Disc.: Cerro Tololo LoUTNOs, cubewano?	MPC · JPL
E	1999 KL17	TNO	8.7	62 km	single	90 days	08 Aug 1999	13	Disc.: Cerro Tololo LoUTNOs, cubewano?	MPC · JPL
5	1999 KR18	TNO	7.9	95 km	multiple	1999–2001	15 Nov 2001	21	Disc.: Cerro Tololo LoUTNOs, res · 4:7	MPC · JPL
0	1999 KC21	MBA-M	17.7	860 m	multiple	1999–2020	16 Oct 2020	105	Disc.: Spacewatch	MPC · JPL
0	1999 KR21	MBA-I	18.3	650 m	multiple	1999–2020	11 Oct 2020	67	Disc.: Spacewatch	MPC · JPL

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L

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

7	1999 LJ1	AMO	22.2	130 m	single	28 days	02 Jul 1999	41	Disc.: CSS	MPC · JPL
1	1999 LT1	AMO	17.6	1.1 km	multiple	1999–2003	26 Dec 2003	64	Disc.: LINEAR NEO larger than 1 kilometer	MPC · JPL
2	1999 LW1	APO	20.3	310 m	multiple	1999–2018	10 Jun 2018	70	Disc.: CSS	MPC · JPL
9	1999 LX1	APO	20.6	270 m	single	6 days	14 Jun 1999	42	Disc.: LINEAR Potentially hazardous object	MPC · JPL
8	1999 LD6	APO	22.1	140 m	single	3 days	13 Jun 1999	12	Disc.: LINEAR	MPC · JPL
1	1999 LE6	AMO	20.7	260 m	multiple	1999–2020	12 Jun 2020	83	Disc.: LINEAR	MPC · JPL
0	1999 LE7	MBA-M	17.9	1.1 km	multiple	1999–2021	07 Nov 2021	47	Disc.: Spacewatch Added on 29 January 2022	MPC · JPL
0	1999 LV7	AMO	19.39	490 m	multiple	1999-2022	09 May 2022	105	Disc.: LINEAR	MPC · JPL
1	1999 LD30	AMO	20.3	310 m	multiple	1999–2004	10 Oct 2004	71	Disc.: LINEAR	MPC · JPL
2	1999 LC31	MBA-M	17.9	780 m	multiple	1999–2015	09 Jul 2015	36	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2015 MA1	MPC · JPL
E	1999 LB37	TNO	9.6	57 km	single	1 day	09 Jun 1999	4	Disc.: Palomar Obs. LoUTNOs, plutino?	MPC · JPL
1	1999 LE37	MBA-I	18.0	750 m	multiple	1999–2019	16 Jan 2019	40	Disc.: Spacewatch	MPC · JPL

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N

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

0	1999 NY4	MCA	19.18	470 m	multiple	1999–2022	22 Oct 2022	75	Disc.: LINEAR Alt.: 2012 KR50	MPC · JPL
0	1999 NZ4	MCA	17.88	1.4 km	multiple	1999-2023	12 Jun 2023	157	Disc.: LINEAR	MPC · JPL

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O

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

1	1999 OQ3	AMO	20.1	340 m	multiple	1999–2012	03 Oct 2012	86	Disc.: LINEAR	MPC · JPL
5	1999 OZ3	TNO	7.4	110 km	multiple	1999–2022	27 Aug 2022	32	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
3	1999 OA4	TNO	7.9	87 km	multiple	1999–2006	24 Jul 2006	27	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
4	1999 OC4	TNO	8.3	73 km	multiple	1999–2001	25 Jul 2001	24	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
4	1999 OD4	TNO	7.21	124 km	multiple	1999–2021	12 Sep 2021	44	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
5	1999 OG4	TNO	7.7	96 km	multiple	1999–2001	27 Jul 2001	18	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
3	1999 OH4	TNO	8.3	91 km	multiple	1999–2006	03 Aug 2006	22	Disc.: Mauna Kea Obs. LoUTNOs, other TNO, BR-mag: 3.20	MPC · JPL
4	1999 OK4	TNO	7.6	126 km	multiple	1999–2003	09 Jul 2003	20	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
0	1999 ON5	MBA-I	17.27	1.0 km	multiple	1999–2022	07 Jan 2022	176	Disc.: Spacewatch Alt.: 2003 SF390, 2017 RJ68	MPC · JPL
0	1999 OX5	MBA-I	17.6	900 m	multiple	1999–2019	19 Dec 2019	64	Disc.: Spacewatch	MPC · JPL
0	1999 OY5	MBA-I	18.18	690 m	multiple	1999–2021	05 Nov 2021	90	Disc.: Spacewatch	MPC · JPL

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P

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

1	1999 PP2	MBA-I	18.74	520 m	multiple	1999–2022	02 Oct 2022	38	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
5	1999 PS3	AMO	21.7	160 m	single	57 days	06 Oct 1999	50	Disc.: LINEAR	MPC · JPL
0	1999 PC7	MBA-O	17.2	2.0 km	multiple	1999–2019	03 Apr 2019	43	Disc.: Cerro Tololo	MPC · JPL
1	1999 PL7	MBA-M	17.1	1.1 km	multiple	1979–2021	18 Jan 2021	107	Disc.: Palomar Obs. Alt.: 1979 SY, 2017 BU100	MPC · JPL
0	1999 PG9	MBA-M	17.1	1.1 km	multiple	1999–2021	11 Jan 2021	113	Disc.: Spacewatch	MPC · JPL
1	1999 PJ9	MBA-I	18.4	620 m	multiple	1999–2016	27 Mar 2016	40	Disc.: Spacewatch	MPC · JPL
0	1999 PK9	MBA-I	18.2	680 m	multiple	1999–2019	31 May 2019	41	Disc.: Spacewatch	MPC · JPL
0	1999 PN9	MBA-M	18.2	960 m	multiple	1999–2019	04 Feb 2019	46	Disc.: Cerro Tololo	MPC · JPL

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Q

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

0	1999 QF1	MBA-M	18.34	960 m	multiple	1999–2024	01 May 2024	41	Disc.: Spacewatch	MPC · JPL
0	1999 QS3	MBA-O	18.53	1.1 km	multiple	1999–2021	13 Sep 2021	31	Disc.: Astrovirtel Alt.: 2005 UK464	MPC · JPL
0	1999 QX3	MBA-M	17.3	1.9 km	multiple	1999–2017	23 Sep 2017	41	Disc.: Spacewatch	MPC · JPL

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R

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

5	1999 RU2	AMO	20.2	320 m	single	61 days	04 Nov 1999	140	Disc.: CSS	MPC · JPL
1	1999 RP4	MBA-I	18.7	550 m	multiple	1999–2022	24 May 2022	33	Disc.: Spacewatch	MPC · JPL
0	1999 RT4	MBA-I	18.39	620 m	multiple	1999–2021	05 Jul 2021	69	Disc.: Spacewatch Alt.: 2014 SA223	MPC · JPL
1	1999 RF5	MBA-I	19.1	450 m	multiple	1999–2019	25 Sep 2019	45	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1999 RW5	MBA-I	17.9	780 m	multiple	1999–2018	04 Dec 2018	55	Disc.: Spacewatch Alt.: 2014 TN25	MPC · JPL
0	1999 RF6	MBA-O	17.33	1.9 km	multiple	1999–2021	11 Nov 2021	44	Disc.: Spacewatch Added on 21 August 2021	MPC · JPL
0	1999 RC7	MBA-I	18.68	550 m	multiple	1999–2022	07 Jan 2022	61	Disc.: Spacewatch	MPC · JPL
1	1999 RS9	MBA-M	17.5	1.3 km	multiple	1999–2020	03 Dec 2020	97	Disc.: Spacewatch Alt.: 2016 SZ24	MPC · JPL
2	1999 RN28	AMO	21.1	210 m	multiple	1999–2015	01 Nov 2015	99	Disc.: LINEAR	MPC · JPL
2	1999 RP28	AMO	22.5	110 m	multiple	1999-2024 days	09 May 2024	53	Disc.: CSS	MPC · JPL
1	1999 RQ28	AMO	20.7	260 m	multiple	1999–2008	20 Jan 2008	124	Disc.: LONEOS	MPC · JPL
7	1999 RZ31	AMO	23.8	62 m	single	14 days	21 Sep 1999	42	Disc.: LINEAR	MPC · JPL
0	1999 RA32	APO	21.38	200 m	multiple	1999–2024	22 Sep 2024	111	Disc.: LINEAR	MPC · JPL
0	1999 RB32	AMO	20.2	320 m	multiple	1999–2018	10 Dec 2018	363	Disc.: LINEAR	MPC · JPL
7	1999 RJ33	AMO	22.5	110 m	single	16 days	25 Sep 1999	33	Disc.: LINEAR	MPC · JPL
7	1999 RK33	AMO	22.4	120 m	single	10 days	19 Sep 1999	85	Disc.: LINEAR	MPC · JPL
5	1999 RO36	AMO	20.7	260 m	single	67 days	12 Nov 1999	144	Disc.: Farpoint Obs.	MPC · JPL
0	1999 RR40	MBA-M	17.77	1.2 km	multiple	1999–2022	27 Jan 2022	87	Disc.: LINEAR Alt.: 2016 TV25	MPC · JPL
0	1999 RE42	MBA-O	17.06	2.2 km	multiple	1999–2020	03 Dec 2020	170	Disc.: Ondřejov Obs. Alt.: 2015 UA6	MPC · JPL
0	1999 RY86	MBA-M	17.80	1.2 km	multiple	1999–2021	06 Nov 2021	191	Disc.: Spacewatch Alt.: 2008 TQ217	MPC · JPL
0	1999 RV163	MBA-M	18.27	930 m	multiple	1999–2021	30 Oct 2021	63	Disc.: Spacewatch Alt.: 2017 XO9	MPC · JPL
1	1999 RW175	MBA-I	19.1	450 m	multiple	1999–2017	28 Jan 2017	29	Disc.: Spacewatch	MPC · JPL
0	1999 RS186	MBA-O	17.62	1.7 km	multiple	1999–2022	27 Jan 2022	52	Disc.: Spacewatch	MPC · JPL
E	1999 RS214	TNO	7.9	90 km	single	33 days	09 Oct 1999	10	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
4	1999 RT214	TNO	7.79	100 km	multiple	1999–2021	08 Aug 2021	47	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold), albedo: 0.210; binary: 69 km	MPC · JPL
3	1999 RU214	TNO	6.97	146 km	multiple	1999–2021	08 Aug 2021	23	Disc.: Mauna Kea Obs. LoUTNOs, res · 2:5	MPC · JPL
4	1999 RV214	TNO	7.9	87 km	multiple	1999–2015	28 May 2015	13	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
3	1999 RW214	TNO	7.3	115 km	multiple	1998–2016	12 Aug 2016	29	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
2	1999 RX214	TNO	6.8	145 km	multiple	1999–2017	24 Jul 2017	30	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold), BR-mag: 1.63; taxonomy: IR	MPC · JPL
2	1999 RZ214	TNO	7.8	104 km	multiple	1999–2017	22 Sep 2017	17	Disc.: Mauna Kea Obs. LoUTNOs, SDO	MPC · JPL
2	1999 RB215	TNO	9.4	48 km	multiple	1999–2011	26 Oct 2011	23	Disc.: Mauna Kea Obs. LoUTNOs, twotino	MPC · JPL
E	1999 RF215	TNO	7.4	114 km	single	65 days	11 Nov 1999	8	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
4	1999 RG215	TNO	7.22	120 km	multiple	1999–2021	08 Aug 2021	33	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
6	1999 RR215	TNO	8.1	80 km	multiple	1999–2000	28 Dec 2000	14	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 RT215	TNO	7.1	158 km	single	63 days	09 Nov 1999	9	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
2	1999 RV215	TNO	8.4	87 km	multiple	1999–2014	22 Oct 2014	16	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
5	1999 RW215	TNO	7.95	93 km	multiple	1999–2021	11 Jan 2021	21	Disc.: Mauna Kea Obs. LoUTNOs, res · 3:4	MPC · JPL
4	1999 RX215	TNO	7.6	100 km	multiple	1999–2022	27 Aug 2022	22	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 RC216	TNO	7.3	119 km	single	62 days	09 Nov 1999	10	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
–	1999 RV216	MBA-M	18.5	840 m	single	12 days	17 Sep 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 RB225	MCA	18.1	710 m	multiple	1999–2021	15 Mar 2021	99	Disc.: LINEAR	MPC · JPL
1	1999 RB229	MCA	18.7	540 m	multiple	1999–2021	08 Jan 2021	129	Disc.: Piszkéstető Stn. Added on 19 October 2020	MPC · JPL
0	1999 RH242	MBA-M	18.00	1.4 km	multiple	1999–2021	08 Jul 2021	53	Disc.: Spacewatch	MPC · JPL
0	1999 RG244	MBA-M	17.68	1.2 km	multiple	1999–2021	08 Dec 2021	73	Disc.: Spacewatch Alt.: 2008 VD30	MPC · JPL
0	1999 RL245	MBA-O	16.3	3.1 km	multiple	1999–2021	24 Oct 2021	173	Disc.: Spacewatch Alt.: 2010 LR72	MPC · JPL
0	1999 RM250	MBA-M	17.4	980 m	multiple	1999–2021	07 Jan 2021	82	Disc.: Spacewatch	MPC · JPL
0	1999 RT250	MBA-M	18.01	1.1 km	multiple	1999–2021	02 Oct 2021	60	Disc.: Spacewatch	MPC · JPL
0	1999 RV250	MBA-M	18.1	1.0 km	multiple	1995–2020	15 Oct 2020	78	Disc.: Spacewatch Alt.: 2012 XD90	MPC · JPL
0	1999 RB251	MBA-I	18.5	590 m	multiple	1999–2020	20 Jul 2020	40	Disc.: Spacewatch	MPC · JPL
–	1999 RQ251	MBA-I	19.1	450 m	single	14 days	17 Sep 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 RH253	MBA-O	16.53	2.8 km	multiple	1999–2021	01 Dec 2021	126	Disc.: Spacewatch Alt.: 2010 PT31, 2015 TY283	MPC · JPL
0	1999 RU253	MBA-I	18.5	590 m	multiple	1999–2018	18 Jun 2018	46	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
E	1999 RK257	TNO	8.3	91 km	single	1 day	13 Sep 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
0	1999 RS259	MBA-I	19.22	430 m	multiple	1999–2021	09 Dec 2021	37	Disc.: Spacewatch Added on 21 August 2021	MPC · JPL
0	1999 RC260	MBA-M	18.18	970 m	multiple	1999–2021	04 Oct 2021	68	Disc.: Spacewatch	MPC · JPL
0	1999 RE260	MBA-I	18.73	570 m	multiple	1999–2023	17 Nov 2023	76	Disc.: Spacewatch	MPC · JPL
1	1999 RF260	MBA-M	17.5	940 m	multiple	1999–2019	27 Oct 2019	71	Disc.: CSS	MPC · JPL
0	1999 RG260	MBA-M	17.2	1.5 km	multiple	1999–2021	06 Jan 2021	82	Disc.: Spacewatch	MPC · JPL
1	1999 RJ260	MBA-I	18.1	710 m	multiple	1999–2018	12 Feb 2018	42	Disc.: Spacewatch	MPC · JPL
0	1999 RL260	MBA-M	17.71	850 m	multiple	1999–2022	27 Jan 2022	75	Disc.: Spacewatch	MPC · JPL
1	1999 RM260	MBA-M	17.8	1.2 km	multiple	1999–2020	11 Sep 2020	48	Disc.: Astrovirtel	MPC · JPL
0	1999 RN260	MBA-I	18.29	650 m	multiple	1999–2022	27 Jan 2022	31	Disc.: Spacewatch	MPC · JPL
0	1999 RT260	MBA-I	18.57	570 m	multiple	1999–2021	25 Nov 2021	99	Disc.: Spacewatch	MPC · JPL
0	1999 RW260	MBA-M	17.4	980 m	multiple	1999–2021	11 Jan 2021	113	Disc.: Spacewatch	MPC · JPL
0	1999 RZ260	MBA-O	16.76	2.5 km	multiple	1999–2022	27 Jan 2022	103	Disc.: Spacewatch	MPC · JPL
0	1999 RB261	MBA-M	17.87	1.1 km	multiple	1999–2021	09 Nov 2021	67	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
2	1999 RC261	MBA-I	19.3	410 m	multiple	1999–2020	23 Sep 2020	51	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
0	1999 RF261	MBA-M	18.31	710 m	multiple	1999–2024	29 Sep 2024	50	Disc.: Spacewatch Added on 17 January 2021	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 31 January 2022.
^ Johnston, Wm. Robert (2 January 2022). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 31 January 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 31 January 2022.

[johnstonsarchive-TNO-list-3] Johnston, Wm. Robert (2 January 2022). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 31 January 2022.

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