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 January 2021^[update], a total of 548 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	1998–2018	16 Apr 2018	479	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
2	1999 AX11	MBA-M	17.5	940 m	multiple	1999–2020	02 Apr 2020	117	Disc.: Spacewatch Alt.: 2014 WX505	MPC · JPL
0	1999 AS12	MBA-I	17.9	780 m	multiple	1998–2019	03 Oct 2019	71	Disc.: Spacewatch	MPC · JPL
0	1999 AU12	MBA-O	17.0	2.2 km	multiple	1994–2020	24 Mar 2020	80	Disc.: Spacewatch Alt.: 2015 DM118	MPC · JPL
1	1999 AZ14	MBA-M	18.0	1.1 km	multiple	1999–2020	19 Jan 2020	33	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
2	1999 AN16	HUN	19.3	410 m	multiple	1999–2020	20 Jan 2020	19	Disc.: Spacewatch Alt.: 2015 BN466	MPC · JPL
0	1999 AT18	MBA-O	16.0	3.5 km	multiple	1999–2021	12 Jan 2021	119	Disc.: Spacewatch	MPC · JPL
0	1999 AW26	MBA-M	17.0	1.2 km	multiple	1999–2020	25 Apr 2020	146	Disc.: Spacewatch	MPC · JPL
0	1999 AR27	MBA-I	17.0	1.2 km	multiple	1993–2021	16 Jan 2021	161	Disc.: Spacewatch	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 AB32	MBA-O	16.8	2.4 km	multiple	1999–2021	09 Jan 2021	75	Disc.: Spacewatch Alt.: 2015 AQ4, 2016 CV58	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 AA34	MBA-M	17.7	860 m	multiple	1999–2020	24 Mar 2020	35	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
0	1999 AU35	MBA-M	17.3	1.9 km	multiple	1999–2020	05 Nov 2020	41	Disc.: Mauna Kea Obs. Added on 17 January 2021	MPC · JPL
0	1999 AT39	MBA-I	17.6	900 m	multiple	1999–2020	21 Dec 2020	96	Disc.: Spacewatch	MPC · JPL
0	1999 AU39	MBA-M	18.1	710 m	multiple	1999–2020	25 Feb 2020	101	Disc.: Spacewatch	MPC · JPL
0	1999 AV39	MBA-I	18.2	680 m	multiple	1999–2019	02 May 2019	87	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	17.0	2.2 km	multiple	1999–2020	15 Feb 2020	65	Disc.: Spacewatch	MPC · JPL
0	1999 AY39	MBA-O	16.8	2.4 km	multiple	1999–2020	11 May 2020	52	Disc.: Spacewatch	MPC · JPL
0	1999 AZ39	MBA-O	16.7	2.5 km	multiple	1999–2020	15 Feb 2020	51	Disc.: DB Missing Added on 19 October 2020	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 BR8	MBA-I	18.2	680 m	multiple	1999–2021	02 Jan 2021	185	Disc.: Spacewatch	MPC · JPL
0	1999 BW27	MBA-M	16.3	3.1 km	multiple	1998–2019	10 May 2019	125	Disc.: Spacewatch	MPC · JPL
3	1999 BT30	MBA-O	18.2	1.3 km	multiple	1999–2019	04 Apr 2019	47	Disc.: Spacewatch Alt.: 2014 DZ118	MPC · JPL
1	1999 BA32	MBA-I	18.7	540 m	multiple	1999–2018	31 Dec 2018	37	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 BQ35	MBA-I	17.9	780 m	multiple	1999–2020	29 Jun 2020	92	Disc.: Spacewatch	MPC · JPL
0	1999 BR35	MBA-I	17.6	900 m	multiple	1999–2019	24 Aug 2019	81	Disc.: Spacewatch	MPC · JPL
0	1999 BS35	MBA-O	16.5	2.8 km	multiple	1999–2020	11 Dec 2020	99	Disc.: Spacewatch Alt.: 2002 RH283	MPC · JPL
0	1999 BT35	MBA-I	18.4	620 m	multiple	1999–2020	19 Mar 2020	69	Disc.: Spacewatch	MPC · JPL
0	1999 BU35	MBA-I	19.2	430 m	multiple	1999–2020	05 Nov 2020	48	Disc.: Spacewatch	MPC · JPL
0	1999 BV35	MBA-M	17.8	820 m	multiple	1995–2020	27 Apr 2020	52	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
0	1999 CO13	MBA-M	17.3	1.0 km	multiple	1999–2020	21 Mar 2020	74	Disc.: ODAS	MPC · JPL
E	1999 CW118	TNO	7.8	122 km	single	86 days	07 May 1999	7	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 CX118	TNO	7.1	168 km	single	62 days	13 Apr 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
0	1999 CY118	TNO	8.7	81 km	multiple	1999–2017	03 Mar 2017	33	Disc.: Mauna Kea Obs. LoUTNOs, SDO	MPC · JPL
1	1999 CZ118	TNO	7.9	117 km	multiple	1999–2016	13 Mar 2016	29	Disc.: Mauna Kea Obs. LoUTNOs, SDO	MPC · JPL
E	1999 CA119	TNO	7.7	128 km	single	86 days	07 May 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
1	1999 CB119	TNO	7.0	176 km	multiple	1999–2016	04 Feb 2016	27	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot), BR-mag: 1.93; taxonomy: RR	MPC · JPL
2	1999 CC119	TNO	7.2	161 km	multiple	1999–2019	05 Apr 2019	31	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 CD119	TNO	7.3	154 km	single	62 days	13 Apr 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
0	1999 CF119	TNO	7.2	161 km	multiple	1999–2016	29 Dec 2016	48	Disc.: Mauna Kea Obs. LoUTNOs, SDO, BR-mag: 1.46; taxonomy: BR-IR	MPC · JPL
2	1999 CH119	TNO	7.1	168 km	multiple	1999–2018	15 Mar 2018	24	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
2	1999 CJ119	TNO	7.4	147 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	117 km	single	8 days	19 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
2	1999 CL119	TNO	6.2	255 km	multiple	1999–2020	31 Jan 2020	83	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot), BR-mag: 1.78	MPC · JPL
3	1999 CM119	TNO	7.9	117 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	106 km	multiple	1999–2018	09 Dec 2018	21	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
0	1999 CD129	MBA-O	16.9	2.3 km	multiple	1992–2020	16 Feb 2020	66	Disc.: Mauna Kea Obs. Added on 17 January 2021 Alt.: 2018 TM19	MPC · JPL
0	1999 CM129	MBA-M	17.2	1.1 km	multiple	1995–2020	19 May 2020	65	Disc.: Mauna Kea Obs. Added on 17 January 2021 Alt.: 2017 MQ15	MPC · JPL
2	1999 CZ129	MBA-M	18.0	750 m	multiple	1999–2018	15 Dec 2018	51	Disc.: Mauna Kea Obs.	MPC · JPL
–	1999 CB130	MBA-O	—	—	single	2 days	08 Feb 1999	6	Disc.: Mauna Kea Obs.	MPC · JPL
–	1999 CD130	MBA-I	17.6	900 m	single	2 days	08 Feb 1999	6	Disc.: Mauna Kea Obs.	MPC · JPL
E	1999 CE130	MBA-O	—	—	single	3 days	09 Feb 1999	8	Disc.: Mauna Kea Obs.	MPC · JPL
0	1999 CH130	MBA-M	17.6	1.3 km	multiple	1999–2019	24 Nov 2019	80	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
1	1999 CS130	MBA-O	17.4	1.8 km	multiple	1999–2019	03 Apr 2019	26	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	117 km	multiple	1999–2000	07 Apr 2000	8	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
2	1999 CX131	TNO	7.1	168 km	multiple	1999–2018	17 Mar 2018	33	Disc.: Mauna Kea Obs. LoUTNOs, res · 3:5, BR-mag: 1.64; taxonomy: IR	MPC · JPL
E	1999 CY131	TNO	8.1	106 km	single	8 days	19 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
E	1999 CZ131	TNO	8.1	106 km	single	8 days	19 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 CA132	TNO	7.4	147 km	single	56 days	08 Apr 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
2	1999 CQ133	TNO	7.0	176 km	multiple	1999–2018	16 Mar 2018	29	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot), BR-mag: 1.35	MPC · JPL
E	1999 CR133	TNO	8.1	106 km	single	6 days	18 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
1	1999 CU133	MCA	19.0	470 m	multiple	1999–2019	22 Oct 2019	32	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1999 CR135	MBA-M	17.1	1.6 km	multiple	1999–2020	26 Apr 2020	92	Disc.: Spacewatch Alt.: 2016 EF176	MPC · JPL
0	1999 CU136	MBA-O	16.5	2.8 km	multiple	1999–2021	15 Jan 2021	139	Disc.: Spacewatch	MPC · JPL
0	1999 CP138	MBA-M	17.3	1.9 km	multiple	1999–2020	15 Oct 2020	98	Disc.: Spacewatch Alt.: 2011 UG356	MPC · JPL
1	1999 CU138	MBA-O	17.1	2.1 km	multiple	1999–2019	06 May 2019	75	Disc.: Spacewatch	MPC · JPL
0	1999 CP140	MBA-M	17.3	1.0 km	multiple	1999–2020	17 Jun 2020	143	Disc.: Spacewatch Alt.: 2007 CB8	MPC · JPL
0	1999 CB141	MBA-M	17.9	1.5 km	multiple	1999–2020	19 Nov 2020	43	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 CG142	MBA-O	17.0	2.2 km	multiple	1999–2020	30 May 2020	52	Disc.: Spacewatch	MPC · JPL
0	1999 CE143	MBA-O	17.2	2.0 km	multiple	1999–2020	22 Mar 2020	61	Disc.: Mauna Kea Obs.	MPC · JPL
0	1999 CB144	MBA-O	17.2	2.0 km	multiple	1999–2020	23 May 2020	39	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
0	1999 CU152	MBA-I	17.7	860 m	multiple	1999–2020	17 Nov 2020	68	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
3	1999 CM153	TNO	7.4	147 km	multiple	1999–2015	23 Mar 2015	25	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 CN153	TNO	7.7	128 km	single	56 days	08 Apr 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
E	1999 CP153	TNO	7.7	128 km	multiple	1999–2000	07 Apr 2000	11	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
5	1999 CQ153	TNO	8.0	111 km	multiple	1999–2015	20 Mar 2015	14	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 CR153	TNO	8.2	101 km	single	31 days	14 Mar 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 CS153	TNO	8.1	106 km	multiple	1999–2000	07 Apr 2000	10	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 CT153	TNO	8.1	106 km	single	32 days	15 Mar 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
3	1999 CU153	TNO	7.2	161 km	multiple	1999–2018	18 Mar 2018	32	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
5	1999 CG154	TNO	7.4	147 km	multiple	1999–2005	10 Mar 2005	15	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
4	1999 CH154	TNO	7.8	122 km	multiple	1999–2015	16 Mar 2015	12	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
E	1999 CM154	MBA-O	—	—	single	2 days	08 Feb 1999	6	Disc.: Mauna Kea Obs.	MPC · JPL
E	1999 CN154	MBA-O	—	—	single	2 days	08 Feb 1999	6	Disc.: Mauna Kea Obs.	MPC · JPL
1	1999 CO154	MBA-M	17.1	1.1 km	multiple	1997–2020	16 Mar 2020	62	Disc.: Anderson Mesa Alt.: 1997 UJ23, 2005 SV258	MPC · JPL
E	1999 CM155	MBA-O	—	—	single	2 days	08 Feb 1999	6	Disc.: Mauna Kea Obs.	MPC · JPL
–	1999 CR155	MBA-M	18.1	710 m	single	6 days	18 Feb 1999	9	Disc.: LONEOS	MPC · JPL
0	1999 CU156	MBA-O	16.0	3.5 km	multiple	1999–2020	21 Dec 2020	63	Disc.: Spacewatch Alt.: 2010 LS3, 2015 AJ16	MPC · JPL
3	1999 CK158	TNO	8.3	97 km	multiple	1999–2018	18 Feb 2018	19	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
1	1999 CM158	TNO	7.8	122 km	multiple	1999–2016	13 Mar 2016	51	Disc.: Mauna Kea Obs. LoUTNOs, plutino	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 CF160	MBA-I	17.7	860 m	multiple	1999–2020	17 Nov 2020	97	Disc.: Spacewatch	MPC · JPL
0	1999 CG160	MBA-I	18.4	620 m	multiple	1999–2020	02 Feb 2020	110	Disc.: Spacewatch	MPC · JPL
0	1999 CH160	MBA-M	17.6	900 m	multiple	1999–2020	28 Feb 2020	111	Disc.: Spacewatch	MPC · JPL
0	1999 CJ160	MBA-I	18.1	710 m	multiple	1999–2021	04 Jan 2021	166	Disc.: Spacewatch	MPC · JPL
0	1999 CK160	MBA-M	17.4	1.4 km	multiple	1999–2018	05 Oct 2018	69	Disc.: Spacewatch	MPC · JPL
0	1999 CL160	MBA-M	17.2	2.0 km	multiple	1999–2020	15 Oct 2020	74	Disc.: Spacewatch	MPC · JPL
0	1999 CM160	MBA-M	17.4	1.4 km	multiple	1999–2020	03 Jan 2020	60	Disc.: Spacewatch Alt.: 2016 BB20	MPC · JPL
0	1999 CN160	MBA-I	17.8	820 m	multiple	1999–2020	21 Apr 2020	77	Disc.: Spacewatch	MPC · JPL
0	1999 CO160	MBA-I	18.4	620 m	multiple	1999–2020	15 Jun 2020	58	Disc.: Spacewatch	MPC · JPL
0	1999 CP160	MBA-O	16.3	3.1 km	multiple	1999–2021	12 Jan 2021	66	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	117 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	77 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, plutino?	MPC · JPL
E	1999 DA8	TNO	12.4	15 km	single	1 day	17 Feb 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, plutino?	MPC · JPL
E	1999 DB8	TNO	10.0	44 km	single	35 days	23 Mar 1999	7	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
E	1999 DC8	TNO	10.0	44 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 DD8	TNO	11.1	27 km	single	1 day	17 Feb 1999	5	Disc.: Mauna Kea Obs. LoUTNOs, plutino?	MPC · JPL
E	1999 DE8	TNO	9.6	53 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 DF8	TNO	9.9	46 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 DG8	TNO	8.1	106 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, SDO	MPC · JPL
5	1999 DH8	TNO	8.7	81 km	multiple	1999–2001	24 Feb 2001	11	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 DL8	TNO	9.6	53 km	single	35 days	23 Mar 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
E	1999 DM8	TNO	9.7	51 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 DN8	TNO	9.8	49 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 DO8	TNO	10.0	44 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 DP8	TNO	8.9	74 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, SDO	MPC · JPL
E	1999 DQ8	TNO	9.1	67 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
E	1999 DR8	TNO	9.3	61 km	single	1 day	17 Feb 1999	4	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	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

2	1999 EO3	AMO	18.9	590 m	multiple	1999–2020	06 Oct 2020	53	Disc.: Spacewatch	MPC · JPL
1	1999 EF5	AMO	19.4	470 m	multiple	1999–2019	27 Mar 2019	99	Disc.: LINEAR	MPC · JPL
–	1999 ES6	MBA-I	18.8	520 m	single	8 days	22 Mar 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 EY9	MBA-I	17.7	860 m	multiple	1999–2021	15 Jan 2021	168	Disc.: Spacewatch Alt.: 2010 CT27	MPC · JPL
–	1999 EN11	MBA-M	17.7	860 m	single	36 days	15 Apr 1999	11	Disc.: Spacewatch	MPC · JPL
0	1999 EE14	MBA-M	16.5	2.1 km	multiple	1999–2020	29 Jan 2020	151	Disc.: Spacewatch	MPC · JPL
0	1999 EL15	MBA-O	15.9	3.7 km	multiple	1999–2020	22 May 2020	161	Disc.: Spacewatch	MPC · JPL
1	1999 EM15	MBA-O	17.0	2.2 km	multiple	1999–2019	06 Apr 2019	80	Disc.: Spacewatch	MPC · JPL
1	1999 EN15	MBA-M	17.2	1.5 km	multiple	1999–2020	23 Apr 2020	98	Disc.: Spacewatch	MPC · JPL
0	1999 EO15	MBA-M	16.7	1.9 km	multiple	1999–2020	22 Apr 2020	107	Disc.: Spacewatch Alt.: 2016 BR10	MPC · JPL
0	1999 EP15	MBA-I	18.2	680 m	multiple	1999–2020	05 Nov 2020	101	Disc.: Spacewatch	MPC · JPL
0	1999 EQ15	MBA-M	16.4	1.6 km	multiple	1999–2020	05 Feb 2020	59	Disc.: Spacewatch Alt.: 2010 BU93	MPC · JPL
0	1999 ER15	MBA-I	18.5	590 m	multiple	1999–2020	22 Apr 2020	48	Disc.: Spacewatch	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
3	1999 FJ21	APO	20.3	310 m	multiple	1999–2018	07 Sep 2018	59	Disc.: Spacewatch	MPC · JPL
0	1999 FP63	MBA-I	17.8	820 m	multiple	1999–2021	11 Jan 2021	70	Disc.: SDSS Alt.: 2014 JF16	MPC · JPL
0	1999 FV63	MBA-M	17.0	1.7 km	multiple	1999–2020	24 Jan 2020	130	Disc.: SDSS Alt.: 2008 EE17	MPC · JPL
0	1999 FN64	MBA-O	17.0	2.2 km	multiple	1999–2017	26 Jul 2017	47	Disc.: SDSS	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	16.4	2.9 km	multiple	1999–2020	06 Dec 2020	108	Disc.: SDSS Alt.: 2011 UJ392	MPC · JPL
2	1999 FV65	MBA-M	18.6	570 m	multiple	1999–2020	29 Apr 2020	34	Disc.: SDSS	MPC · JPL
0	1999 FP66	MBA-M	17.5	1.8 km	multiple	1999–2020	23 Oct 2020	48	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	18.6	570 m	multiple	1999–2019	08 Nov 2019	60	Disc.: SDSS Alt.: 2017 DT97	MPC · JPL
0	1999 FT67	MBA-M	16.5	2.8 km	multiple	1999–2019	28 Oct 2019	93	Disc.: SDSS	MPC · JPL
3	1999 FT68	MBA-I	19.1	450 m	multiple	1999–2016	03 Apr 2016	27	Disc.: SDSS	MPC · JPL
1	1999 FU68	MBA-M	18.8	730 m	multiple	1999–2020	22 Apr 2020	57	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 FX68	MBA-M	18.0	1.1 km	multiple	1999–2020	22 May 2020	51	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	16.4	1.6 km	multiple	1999–2020	21 Jul 2020	175	Disc.: SDSS Alt.: 2003 ES7, 2013 SE92	MPC · JPL
1	1999 FK69	MBA-M	18.0	750 m	multiple	1999–2018	16 Dec 2018	31	Disc.: SDSS	MPC · JPL
0	1999 FL69	MBA-I	18.3	650 m	multiple	1999–2020	21 Apr 2020	64	Disc.: SDSS Alt.: 2006 DF107, 2011 UU227	MPC · JPL
0	1999 FO69	MBA-M	17.6	900 m	multiple	1999–2020	27 Apr 2020	67	Disc.: SDSS	MPC · JPL
0	1999 FP69	MBA-I	17.7	860 m	multiple	1999–2020	11 Dec 2020	98	Disc.: SDSS	MPC · JPL
0	1999 FS70	MBA-O	16.6	2.7 km	multiple	1999–2020	27 Apr 2020	74	Disc.: SDSS Alt.: 2015 HK23, 2017 OE33	MPC · JPL
0	1999 FB71	MBA-I	17.6	900 m	multiple	1999–2020	23 Mar 2020	132	Disc.: SDSS Alt.: 2006 DP124	MPC · JPL
0	1999 FD72	MBA-I	17.7	860 m	multiple	1999–2020	21 Oct 2020	134	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	37	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1999 FP72	MBA-O	16.8	2.4 km	multiple	1999–2020	25 May 2020	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	17.6	1.7 km	multiple	1999–2020	05 Nov 2020	41	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
1	1999 FK74	MBA-M	17.9	780 m	multiple	1999–2020	22 May 2020	77	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	70	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	55	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	17.4	980 m	multiple	1999–2020	26 May 2020	108	Disc.: SDSS	MPC · JPL
0	1999 FB76	MBA-M	17.4	1.4 km	multiple	1999–2020	18 Apr 2020	125	Disc.: SDSS	MPC · JPL
0	1999 FH76	MBA-I	18.5	590 m	multiple	1999–2020	22 Mar 2020	68	Disc.: SDSS Alt.: 2006 DG188	MPC · JPL
0	1999 FK77	MBA-O	16.5	2.8 km	multiple	1999–2020	12 Dec 2020	68	Disc.: SDSS Alt.: 2010 LM152	MPC · JPL
0	1999 FQ77	MBA-O	16.9	2.3 km	multiple	1999–2020	16 Oct 2020	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 FU78	MBA-I	16.9	1.2 km	multiple	1999–2020	18 Nov 2020	170	Disc.: SDSS	MPC · JPL
0	1999 FL79	MBA-M	18.4	620 m	multiple	1999–2020	25 May 2020	31	Disc.: SDSS	MPC · JPL
0	1999 FW79	MBA-I	18.5	590 m	multiple	1999–2020	21 Apr 2020	47	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1999 FL80	MBA-M	17.9	1.1 km	multiple	1999–2019	29 Sep 2019	67	Disc.: SDSS Alt.: 2012 BJ126	MPC · JPL
–	1999 FN80	MBA-I	19.2	430 m	single	2 days	22 Mar 1999	6	Disc.: SDSS	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 FU81	MCA	17.9	780 m	multiple	1999–2017	12 Jun 2017	145	Disc.: SDSS Alt.: 2014 QM143	MPC · JPL
0	1999 FX81	MBA-M	17.6	1.3 km	multiple	1999–2016	10 May 2016	36	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	47	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 FS83	MBA-O	17.0	2.2 km	multiple	1999–2016	28 Aug 2016	45	Disc.: SDSS	MPC · JPL
0	1999 FE85	MBA-O	16.4	2.9 km	multiple	1999–2019	25 Oct 2019	48	Disc.: SDSS Alt.: 2016 CG163	MPC · JPL
0	1999 FA86	MBA-M	17.3	1.9 km	multiple	1999–2020	16 Oct 2020	54	Disc.: SDSS Added on 17 January 2021 Alt.: 2008 AH34	MPC · JPL
0	1999 FV86	MBA-O	17.5	1.8 km	multiple	1999–2020	22 Mar 2020	77	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1999 FA87	MBA-I	17.6	900 m	multiple	1999–2018	15 Sep 2018	115	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 FL88	MBA-O	17.0	2.2 km	multiple	1999–2020	26 Apr 2020	97	Disc.: SDSS	MPC · JPL
0	1999 FN88	MBA-O	16.8	2.4 km	multiple	1999–2020	12 Apr 2020	73	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
2	1999 FV90	MBA-M	17.6	1.7 km	multiple	1999–2017	20 Apr 2017	32	Disc.: SDSS Alt.: 2009 SG94	MPC · JPL
0	1999 FN91	MBA-O	16.3	3.1 km	multiple	1999–2020	03 Jan 2020	52	Disc.: SDSS Alt.: 2010 LN96, 2015 DZ112	MPC · JPL
0	1999 FR91	MBA-O	16.5	2.8 km	multiple	1999–2020	15 Feb 2020	74	Disc.: SDSS Alt.: 2015 AF240	MPC · JPL
0	1999 FR92	MBA-O	16.6	2.7 km	multiple	1999–2020	22 Mar 2020	108	Disc.: SDSS Alt.: 2015 EE9	MPC · JPL
0	1999 FV92	MBA-O	16.0	3.5 km	multiple	1999–2021	09 Jan 2021	142	Disc.: SDSS Alt.: 2013 TT80	MPC · JPL
0	1999 FA93	MBA-M	17.0	1.2 km	multiple	1999–2020	08 Nov 2020	118	Disc.: SDSS	MPC · JPL
0	1999 FX94	MBA-O	17.0	2.2 km	multiple	1999–2020	27 Apr 2020	52	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	09 Jan 2021	179	Disc.: SDSS Alt.: 2008 WK105, 2010 JE206, 2019 ON17	MPC · JPL
0	1999 FJ95	MBA-I	17.9	780 m	multiple	1999–2019	08 Feb 2019	94	Disc.: SDSS Alt.: 2009 BZ130	MPC · JPL
0	1999 FT95	MBA-M	17.7	1.6 km	multiple	1999–2019	03 Oct 2019	29	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1999 FS96	MBA-M	17.3	1.0 km	multiple	1999–2020	23 Aug 2020	69	Disc.: SDSS Alt.: 2016 PO34	MPC · JPL
0	1999 FZ96	MBA-M	17.0	1.7 km	multiple	1999–2020	22 May 2020	166	Disc.: Spacewatch Alt.: 2004 RE125, 2013 TA154	MPC · JPL
0	1999 FF97	MBA-M	17.3	1.9 km	multiple	1999–2019	03 Oct 2019	84	Disc.: Spacewatch Alt.: 2014 OQ346	MPC · JPL
0	1999 FK97	MBA-I	18.6	570 m	multiple	1996–2020	26 Oct 2020	96	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	18.2	680 m	multiple	1999–2020	20 Jun 2020	69	Disc.: Spacewatch Alt.: 2009 BJ54, 2016 DS20	MPC · JPL
0	1999 FY97	MBA-I	18.1	710 m	multiple	1999–2019	14 Oct 2019	148	Disc.: SDSS	MPC · JPL
0	1999 FZ97	MBA-I	17.5	940 m	multiple	1999–2020	21 Jul 2020	126	Disc.: SDSS	MPC · JPL
0	1999 FA98	MBA-M	16.7	2.5 km	multiple	1999–2020	05 Dec 2020	130	Disc.: SDSS	MPC · JPL
0	1999 FB98	MBA-O	16.3	3.1 km	multiple	1999–2020	19 May 2020	99	Disc.: SDSS	MPC · JPL
0	1999 FC98	MBA-O	16.7	2.5 km	multiple	1999–2020	21 Jun 2020	95	Disc.: SDSS	MPC · JPL
0	1999 FD98	MBA-I	17.5	940 m	multiple	1999–2021	02 Jan 2021	215	Disc.: SDSS	MPC · JPL
0	1999 FE98	MBA-M	16.8	1.3 km	multiple	1999–2020	16 Oct 2020	113	Disc.: SDSS	MPC · JPL
0	1999 FF98	MBA-O	15.8	3.9 km	multiple	1999–2019	02 Jun 2019	83	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 FH98	MBA-O	16.5	2.8 km	multiple	1995–2020	23 Jan 2020	82	Disc.: SDSS	MPC · JPL
0	1999 FJ98	MBA-M	17.3	1.0 km	multiple	1999–2020	21 Jun 2020	121	Disc.: SDSS	MPC · JPL
0	1999 FK98	MBA-I	17.7	860 m	multiple	1999–2021	15 Jan 2021	81	Disc.: Spacewatch	MPC · JPL
0	1999 FL98	HUN	18.4	620 m	multiple	1999–2019	27 Oct 2019	69	Disc.: SDSS	MPC · JPL
0	1999 FN98	MBA-O	16.7	2.5 km	multiple	1999–2019	24 Dec 2019	75	Disc.: SDSS	MPC · JPL
0	1999 FO98	MBA-O	16.8	2.4 km	multiple	1999–2020	26 May 2020	83	Disc.: SDSS	MPC · JPL
0	1999 FP98	MBA-O	16.7	2.5 km	multiple	1999–2020	20 Apr 2020	67	Disc.: SDSS	MPC · JPL
0	1999 FQ98	MBA-I	18.8	520 m	multiple	1999–2019	24 Sep 2019	64	Disc.: SDSS	MPC · JPL
0	1999 FR98	MBA-O	16.8	2.4 km	multiple	1999–2020	20 May 2020	67	Disc.: SDSS	MPC · JPL
0	1999 FS98	MBA-M	17.4	980 m	multiple	1999–2020	12 Jul 2020	82	Disc.: SDSS Alt.: 2010 CC238	MPC · JPL
0	1999 FT98	MBA-I	17.8	820 m	multiple	1999–2019	27 Oct 2019	74	Disc.: SDSS	MPC · JPL
0	1999 FU98	MBA-O	16.5	2.8 km	multiple	1999–2020	23 Jan 2020	73	Disc.: SDSS	MPC · JPL
0	1999 FV98	MBA-I	18.3	650 m	multiple	1999–2020	05 Nov 2020	109	Disc.: SDSS	MPC · JPL
0	1999 FW98	MBA-O	16.3	3.1 km	multiple	1999–2020	23 Mar 2020	63	Disc.: Spacewatch	MPC · JPL
0	1999 FX98	MBA-O	16.3	3.1 km	multiple	1999–2018	08 Nov 2018	65	Disc.: SDSS Alt.: 2010 LY85	MPC · JPL
0	1999 FY98	MBA-M	17.6	1.3 km	multiple	1999–2018	04 Oct 2018	59	Disc.: Spacewatch Alt.: 2008 HM39	MPC · JPL
0	1999 FZ98	MBA-I	18.5	590 m	multiple	1999–2017	27 Apr 2017	56	Disc.: SDSS	MPC · JPL
0	1999 FA99	MBA-M	17.5	1.8 km	multiple	1999–2021	06 Jan 2021	68	Disc.: SDSS	MPC · JPL
0	1999 FB99	MBA-I	18.5	590 m	multiple	1999–2019	26 Jul 2019	68	Disc.: SDSS	MPC · JPL
0	1999 FC99	MBA-O	17.3	1.9 km	multiple	1999–2020	14 Sep 2020	56	Disc.: SDSS	MPC · JPL
0	1999 FD99	MBA-O	17.1	2.1 km	multiple	1999–2017	18 Oct 2017	71	Disc.: SDSS Alt.: 2010 MG78	MPC · JPL
0	1999 FE99	MBA-M	17.0	1.2 km	multiple	1999–2020	25 May 2020	71	Disc.: Spacewatch	MPC · JPL
0	1999 FF99	MBA-M	16.8	1.8 km	multiple	1999–2018	16 Oct 2018	47	Disc.: SDSS	MPC · JPL
2	1999 FG99	MBA-M	17.4	980 m	multiple	1999–2019	30 Jan 2019	54	Disc.: SDSS	MPC · JPL
0	1999 FH99	MBA-M	17.8	1.5 km	multiple	1999–2019	28 Nov 2019	53	Disc.: SDSS	MPC · JPL
0	1999 FJ99	MBA-M	17.7	860 m	multiple	1999–2020	27 Apr 2020	54	Disc.: SDSS	MPC · JPL
0	1999 FK99	MBA-I	18.2	680 m	multiple	1999–2019	25 Nov 2019	73	Disc.: Spacewatch	MPC · JPL
0	1999 FL99	MBA-I	18.5	590 m	multiple	1999–2020	20 Oct 2020	89	Disc.: Spacewatch	MPC · JPL
0	1999 FM99	MBA-O	16.7	2.5 km	multiple	1999–2021	14 Jan 2021	57	Disc.: SDSS	MPC · JPL
0	1999 FN99	MBA-O	16.6	2.7 km	multiple	1999–2020	17 Jun 2020	78	Disc.: SDSS	MPC · JPL
0	1999 FO99	MBA-O	17.4	1.8 km	multiple	1999–2019	09 Apr 2019	57	Disc.: SDSS	MPC · JPL
1	1999 FP99	MBA-M	18.3	650 m	multiple	1999–2019	04 Apr 2019	47	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 FS99	MBA-O	17.0	2.2 km	multiple	1999–2020	12 Sep 2020	70	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
0	1999 FU99	MBA-M	17.3	1.5 km	multiple	1999–2020	16 Feb 2020	64	Disc.: SDSS Alt.: 2016 AJ157	MPC · JPL
0	1999 FV99	MBA-M	17.3	1.5 km	multiple	1999–2020	03 Feb 2020	92	Disc.: SDSS Alt.: 2014 UK253	MPC · JPL
1	1999 FW99	MBA-I	18.3	650 m	multiple	1999–2018	18 Aug 2018	38	Disc.: SDSS	MPC · JPL
0	1999 FY99	MBA-I	18.4	620 m	multiple	1999–2020	04 Jan 2020	46	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 FA100	MBA-O	16.5	2.8 km	multiple	1999–2020	02 Feb 2020	52	Disc.: Spacewatch	MPC · JPL
0	1999 FB100	HUN	18.5	590 m	multiple	1999–2020	28 Apr 2020	63	Disc.: SDSS	MPC · JPL
0	1999 FC100	MBA-I	18.4	620 m	multiple	1999–2020	22 Jun 2020	58	Disc.: SDSS Alt.: 2010 KP56	MPC · JPL
1	1999 FD100	MBA-I	17.8	820 m	multiple	1999–2016	11 Feb 2016	42	Disc.: SDSS	MPC · JPL
0	1999 FF100	MBA-M	17.5	940 m	multiple	1999–2020	19 Mar 2020	39	Disc.: SDSS	MPC · JPL
0	1999 FG100	MBA-O	16.9	2.3 km	multiple	1999–2020	21 Mar 2020	59	Disc.: SDSS	MPC · JPL
0	1999 FH100	MBA-O	17.0	2.2 km	multiple	1999–2020	14 Aug 2020	61	Disc.: SDSS	MPC · JPL
0	1999 FJ100	MBA-M	17.4	1.4 km	multiple	1999–2020	12 Apr 2020	81	Disc.: SDSS	MPC · JPL
0	1999 FK100	HUN	19.4	390 m	multiple	1999–2019	28 Jul 2019	35	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 FM100	MBA-I	18.2	680 m	multiple	1999–2019	25 Sep 2019	54	Disc.: Spacewatch	MPC · JPL
1	1999 FN100	MBA-I	16.9	1.2 km	multiple	1999–2021	08 Jan 2021	73	Disc.: SDSS Alt.: 2010 HT19	MPC · JPL
0	1999 FO100	MBA-O	16.4	2.9 km	multiple	1999–2020	24 Mar 2020	66	Disc.: SDSS	MPC · JPL
0	1999 FP100	MBA-O	16.3	3.1 km	multiple	1999–2020	04 Jan 2020	67	Disc.: SDSS	MPC · JPL
0	1999 FQ100	MBA-O	16.7	2.5 km	multiple	1999–2020	17 May 2020	84	Disc.: SDSS	MPC · JPL
0	1999 FR100	MBA-O	16.4	2.9 km	multiple	1999–2019	21 Dec 2019	58	Disc.: SDSS	MPC · JPL
0	1999 FS100	MBA-O	16.4	2.9 km	multiple	1993–2020	30 Jan 2020	71	Disc.: SDSS	MPC · JPL
0	1999 FT100	MBA-O	16.7	2.5 km	multiple	1999–2020	29 Jan 2020	60	Disc.: SDSS	MPC · JPL
1	1999 FU100	MBA-I	18.4	620 m	multiple	1999–2019	06 Mar 2019	48	Disc.: SDSS	MPC · JPL
0	1999 FV100	MBA-M	17.0	1.2 km	multiple	1999–2020	15 May 2020	63	Disc.: SDSS Alt.: 2005 TW17	MPC · JPL
1	1999 FW100	MBA-I	18.3	650 m	multiple	1999–2020	23 May 2020	87	Disc.: SDSS	MPC · JPL
0	1999 FX100	MBA-O	16.7	2.5 km	multiple	1999–2020	24 Jan 2020	47	Disc.: SDSS	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 FZ100	MBA-I	17.9	780 m	multiple	1999–2020	17 Apr 2020	62	Disc.: SDSS	MPC · JPL
0	1999 FA101	HUN	18.4	620 m	multiple	1999–2020	16 Nov 2020	74	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 FC101	MBA-O	17.1	2.1 km	multiple	1999–2020	26 Apr 2020	55	Disc.: SDSS	MPC · JPL
0	1999 FD101	MBA-O	17.3	1.9 km	multiple	1999–2020	16 May 2020	47	Disc.: SDSS	MPC · JPL
0	1999 FE101	MBA-I	18.3	650 m	multiple	1999–2020	15 Sep 2020	56	Disc.: SDSS	MPC · JPL
0	1999 FF101	MBA-M	17.7	1.6 km	multiple	1999–2018	10 Nov 2018	39	Disc.: SDSS	MPC · JPL
0	1999 FG101	MBA-M	17.1	2.1 km	multiple	1999–2021	06 Jan 2021	89	Disc.: SDSS	MPC · JPL
1	1999 FH101	MBA-M	18.2	960 m	multiple	1999–2017	13 Jun 2017	33	Disc.: SDSS	MPC · JPL
0	1999 FJ101	MBA-O	16.9	2.3 km	multiple	1999–2020	07 Sep 2020	75	Disc.: DB Missing Added on 19 October 2020	MPC · JPL
2	1999 FK101	MBA-M	18.5	590 m	multiple	1999–2017	13 Nov 2017	23	Disc.: No observations Added on 19 October 2020	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 GU14	MBA-I	18.1	710 m	multiple	1999–2020	24 Jun 2020	105	Disc.: Spacewatch Alt.: 2016 CG219	MPC · JPL
3	1999 GS46	TNO	6.9	185 km	multiple	1999–2016	29 May 2016	34	Disc.: La Silla Obs. LoUTNOs, cubewano (hot), BR-mag: 1.76	MPC · JPL
0	1999 GO55	MBA-O	16.1	3.4 km	multiple	1999–2020	23 Dec 2020	100	Disc.: Spacewatch Alt.: 2015 BA283	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 GB64	MBA-M	16.5	2.1 km	multiple	1999–2020	17 Mar 2020	103	Disc.: Spacewatch	MPC · JPL
0	1999 GC64	MBA-O	16.6	2.7 km	multiple	1999–2021	15 Jan 2021	67	Disc.: Spacewatch	MPC · JPL
1	1999 GD64	MBA-M	16.9	1.8 km	multiple	1999–2020	22 Jan 2020	61	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
1	1999 HV1	AMO	17.4	1.2 km	multiple	1991–2021	15 Jan 2021	144	Disc.: Spacewatch NEO larger than 1 kilometer	MPC · JPL
2	1999 HW1	AMO	19.8	390 m	multiple	1999–2010	05 May 2010	60	Disc.: LINEAR	MPC · JPL
1	1999 HX1	AMO	19.9	370 m	multiple	1999–2003	31 Jul 2003	108	Disc.: LINEAR	MPC · JPL
3	1999 HS11	TNO	6.9	185 km	multiple	1999–2014	25 Apr 2014	33	Disc.: Kitt Peak LoUTNOs, cubewano (cold), BR-mag: 1.76; taxonomy: RR	MPC · JPL
3	1999 HV11	TNO	7.8	122 km	multiple	1999–2013	14 May 2013	29	Disc.: Kitt Peak LoUTNOs, cubewano (cold), BR-mag: 1.70	MPC · JPL
E	1999 HY11	TNO	8.3	97 km	single	20 days	07 May 1999	6	Disc.: Kitt Peak LoUTNOs, cubewano (hot)	MPC · JPL
E	1999 HZ11	TNO	8.4	93 km	single	20 days	07 May 1999	5	Disc.: Kitt Peak LoUTNOs, cubewano (hot)	MPC · JPL
E	1999 HA12	TNO	7.8	122 km	single	50 days	06 Jun 1999	8	Disc.: Kitt Peak LoUTNOs, cubewano (cold)	MPC · JPL
8	1999 HD12	CEN	12.8	12 km	single	50 days	05 Jun 1999	11	Disc.: Kitt Peak	MPC · JPL
3	1999 HG12	TNO	7.2	161 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	176 km	multiple	1999–2015	22 May 2015	25	Disc.: Kitt Peak LoUTNOs, cubewano (cold)	MPC · JPL
3	1999 HJ12	TNO	7.4	147 km	multiple	1999–2015	15 Apr 2015	29	Disc.: Kitt Peak LoUTNOs, cubewano (cold)	MPC · JPL
0	1999 HH13	MBA-I	17.8	820 m	multiple	1999–2020	05 Nov 2020	131	Disc.: Spacewatch	MPC · JPL
0	1999 HJ13	MBA-M	16.8	1.3 km	multiple	1999–2017	13 Dec 2017	74	Disc.: Spacewatch	MPC · JPL
0	1999 HK13	MBA-I	18.2	680 m	multiple	1999–2019	26 Jul 2019	99	Disc.: Spacewatch	MPC · JPL
0	1999 HL13	MBA-M	17.8	1.2 km	multiple	1999–2020	16 May 2020	82	Disc.: Spacewatch	MPC · JPL
0	1999 HM13	MBA-O	16.4	2.9 km	multiple	1999–2018	08 Nov 2018	48	Disc.: Spacewatch	MPC · JPL
0	1999 HN13	MBA-O	16.7	2.5 km	multiple	1999–2016	07 Jun 2016	30	Disc.: Spacewatch	MPC · JPL
2	1999 HO13	MBA-M	17.2	1.1 km	multiple	1999–2019	04 Apr 2019	43	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
1	1999 JE16	MBA-I	18.4	620 m	multiple	1999–2020	12 Sep 2020	68	Disc.: Spacewatch	MPC · JPL
E	1999 JV127	CEN	10.4	37 km	single	8 days	18 May 1999	44	Disc.: Cerro Tololo	MPC · JPL
–	1999 JA132	TNO	7.7	128 km	single	59 days	19 May 1999	41	Disc.: Cerro Tololo LoUTNOs, cubewano (hot)	MPC · JPL
E	1999 JB132	TNO	8.2	101 km	single	8 days	18 May 1999	25	Disc.: Cerro Tololo LoUTNOs, plutino?	MPC · JPL
E	1999 JC132	TNO	8.7	81 km	single	1 day	11 May 1999	24	Disc.: Cerro Tololo LoUTNOs, plutino?	MPC · JPL
3	1999 JD132	TNO	7.7	128 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	84 km	single	9 days	19 May 1999	55	Disc.: Cerro Tololo LoUTNOs, plutino?	MPC · JPL
E	1999 JF132	TNO	7.9	117 km	single	9 days	19 May 1999	37	Disc.: Cerro Tololo LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 JH132	TNO	9.6	53 km	single	9 days	19 May 1999	4	Disc.: Cerro Tololo LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 JJ132	TNO	8.8	77 km	single	9 days	19 May 1999	4	Disc.: Cerro Tololo LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 JK132	TNO	9.2	64 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
0	1999 KB9	MBA-I	16.9	1.2 km	multiple	1999–2021	10 Jan 2021	144	Disc.: LINEAR Alt.: 2015 VO4	MPC · JPL
E	1999 KT16	TNO	8.8	77 km	single	1 day	19 May 1999	4	Disc.: Cerro Tololo LoUTNOs, cubewano (hot)	MPC · JPL
E	1999 KK17	TNO	8.8	77 km	single	9 days	19 May 1999	5	Disc.: Cerro Tololo LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 KL17	TNO	8.7	81 km	single	90 days	08 Aug 1999	13	Disc.: Cerro Tololo LoUTNOs, cubewano (cold)	MPC · JPL
5	1999 KR18	TNO	7.9	117 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 KN21	MBA-M	17.2	1.5 km	multiple	1999–2017	14 Dec 2017	67	Disc.: Spacewatch	MPC · JPL
0	1999 KO21	MBA-I	18.1	710 m	multiple	1999–2018	08 Aug 2018	46	Disc.: Spacewatch	MPC · JPL
0	1999 KQ21	MBA-I	18.1	710 m	multiple	1999–2020	22 Sep 2020	87	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
6	1999 LV7	AMO	19.2	510 m	single	27 days	08 Jul 1999	72	Disc.: LINEAR	MPC · JPL
0	1999 LW29	MBA-M	17.6	900 m	multiple	1999–2020	22 Jul 2020	57	Disc.: Spacewatch	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
0	1999 LE31	CEN	12.5	17 km	multiple	1999–2020	10 Aug 2020	146	Disc.: LINEAR , albedo: 0.056; BR-mag: 1.20	MPC · JPL
E	1999 LB37	TNO	9.6	53 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
0	1999 LF37	MBA-I	18.2	680 m	multiple	1999–2018	04 Nov 2018	76	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 NX	MBA-O	16.0	3.5 km	multiple	1999–2020	25 Feb 2020	95	Disc.: Woomera Obs. Alt.: 2015 BN300	MPC · JPL
1	1999 NW2	APO	23.2	81 m	multiple	1999–2019	05 Apr 2019	164	Disc.: LINEAR	MPC · JPL
1	1999 NY4	MCA	19.0	470 m	multiple	1999–2012	23 Jun 2012	48	Disc.: LINEAR Alt.: 2012 KR50	MPC · JPL
3	1999 NZ4	MCA	17.6	1.7 km	single	97 days	18 Oct 1999	142	Disc.: LINEAR	MPC · JPL
0	1999 NE16	MBA-I	17.6	900 m	multiple	1999–2020	15 Jul 2020	197	Disc.: LINEAR Alt.: 2010 TN102, 2014 WA210, 2016 CM204	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
4	1999 OZ3	TNO	7.4	147 km	multiple	1999–2015	28 May 2015	27	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
3	1999 OA4	TNO	7.9	117 km	multiple	1999–2006	24 Jul 2006	27	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
4	1999 OC4	TNO	8.3	97 km	multiple	1999–2001	25 Jul 2001	24	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
3	1999 OD4	TNO	7.3	154 km	multiple	1999–2016	03 Aug 2016	41	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
5	1999 OG4	TNO	7.7	128 km	multiple	1999–2001	27 Jul 2001	18	Disc.: Mauna Kea Obs. LoUTNOs, twotino?	MPC · JPL
3	1999 OH4	TNO	8.3	97 km	multiple	1999–2006	03 Aug 2006	22	Disc.: Mauna Kea Obs. LoUTNOs, other TNO, BR-mag: 3.20	MPC · JPL
3	1999 OJ4	TNO	7.1	75 km	multiple	1999–2008	01 Oct 2008	63	Disc.: Mauna Kea Obs. LoUTNOs, other TNO, albedo: 0.225; BR-mag: 1.68; taxonomy: RR; binary: 72 km	MPC · JPL
4	1999 OK4	TNO	7.6	134 km	multiple	1999–2003	09 Jul 2003	20	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
0	1999 ON5	MBA-I	17.1	1.1 km	multiple	1999–2019	07 Apr 2019	147	Disc.: Spacewatch Alt.: 2003 SF390, 2017 RJ68	MPC · JPL
0	1999 OV5	MBA-I	18.0	750 m	multiple	1999–2020	24 Jun 2020	145	Disc.: Spacewatch	MPC · JPL
0	1999 OW5	MBA-M	17.2	1.5 km	multiple	1999–2020	14 Jun 2020	95	Disc.: Spacewatch	MPC · JPL
0	1999 OX5	MBA-I	17.6	900 m	multiple	1999–2019	19 Dec 2019	64	Disc.: Spacewatch	MPC · JPL
2	1999 OY5	MBA-I	18.3	650 m	multiple	1999–2018	30 Dec 2018	28	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

4	1999 PP2	MBA-I	18.7	540 m	multiple	1999–2018	13 Aug 2018	15	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
1	1999 PG4	MBA-M	17.5	940 m	multiple	1999–2021	07 Jan 2021	319	Disc.: Wykrota Obs.	MPC · JPL
0	1999 PQ5	MBA-M	17.3	1.5 km	multiple	1999–2017	28 Nov 2017	51	Disc.: Spacewatch	MPC · JPL
1	1999 PY6	MBA-I	18.3	650 m	multiple	1999–2019	24 Oct 2019	39	Disc.: Cerro Tololo Added on 22 July 2020	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	16 Jan 2021	103	Disc.: Palomar Obs. Alt.: 1979 SY, 2017 BU100	MPC · JPL
1	1999 PW7	MBA-M	17.7	1.6 km	multiple	1999–2019	27 Jan 2019	42	Disc.: Cerro Tololo Alt.: 2010 AB52	MPC · JPL
0	1999 PD9	MBA-I	17.3	1.0 km	multiple	1999–2020	22 Apr 2020	117	Disc.: Spacewatch	MPC · JPL
0	1999 PE9	MBA-M	16.5	1.5 km	multiple	1999–2020	06 Dec 2020	233	Disc.: Spacewatch	MPC · JPL
0	1999 PF9	MBA-I	17.7	860 m	multiple	1999–2019	24 Dec 2019	67	Disc.: Spacewatch	MPC · JPL
0	1999 PG9	MBA-M	17.1	1.1 km	multiple	1999–2021	11 Jan 2021	113	Disc.: Spacewatch	MPC · JPL
0	1999 PH9	MBA-I	18.3	650 m	multiple	1999–2018	15 Oct 2018	51	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	25 May 2019	38	Disc.: Spacewatch	MPC · JPL
0	1999 PL9	MBA-M	16.9	1.8 km	multiple	1999–2019	08 Feb 2019	64	Disc.: Spacewatch	MPC · JPL
0	1999 PM9	MBA-M	17.8	820 m	multiple	1999–2020	08 Dec 2020	82	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
0	1999 PO9	MBA-O	16.6	2.7 km	multiple	1999–2020	11 Jul 2020	60	Disc.: Spacewatch	MPC · JPL
0	1999 PP9	MBA-I	17.7	860 m	multiple	1999–2020	22 Mar 2020	58	Disc.: Spacewatch	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

2	1999 QF1	MBA-M	18.2	960 m	multiple	1999–2016	25 Sep 2016	38	Disc.: Spacewatch	MPC · JPL
2	1999 QS3	MBA-O	18.1	1.3 km	multiple	1999–2016	04 Dec 2016	23	Disc.: Astrovirtel Alt.: 2005 UK464	MPC · JPL
0	1999 QV3	MBA-O	16.3	3.1 km	multiple	1999–2020	15 Dec 2020	151	Disc.: Spacewatch	MPC · JPL
0	1999 QW3	MBA-I	18.6	570 m	multiple	1999–2016	03 Jan 2016	42	Disc.: Spacewatch	MPC · JPL
0	1999 QX3	MBA-M	17.3	1.9 km	multiple	1999–2017	23 Sep 2017	41	Disc.: Spacewatch	MPC · JPL
0	1999 QY3	MBA-M	17.2	2.0 km	multiple	1999–2020	25 Feb 2020	92	Disc.: Spacewatch	MPC · JPL
0	1999 QZ3	MBA-M	17.4	1.8 km	multiple	1999–2018	15 Oct 2018	42	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
3	1999 RP4	MBA-I	18.5	590 m	multiple	1999–2016	03 Jan 2016	29	Disc.: Spacewatch	MPC · JPL
1	1999 RT4	MBA-I	18.3	650 m	multiple	1999–2020	22 Apr 2020	69	Disc.: Spacewatch Alt.: 2014 SA223	MPC · JPL
1	1999 RV4	MBA-I	18.2	680 m	multiple	1999–2020	23 Mar 2020	41	Disc.: Spacewatch Alt.: 2010 RZ2, 2014 VX27	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 RK5	MBA-O	16.4	2.9 km	multiple	1999–2020	26 Jun 2020	126	Disc.: Spacewatch Alt.: 2008 FR44	MPC · JPL
0	1999 RO5	MBA-O	16.7	2.5 km	multiple	1999–2020	17 Oct 2020	109	Disc.: Spacewatch	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
1	1999 RC7	MBA-I	18.6	570 m	multiple	1999–2017	14 Nov 2017	50	Disc.: Spacewatch	MPC · JPL
0	1999 RJ8	MBA-I	18.2	680 m	multiple	1999–2020	24 Jun 2020	117	Disc.: Spacewatch	MPC · JPL
0	1999 RQ8	MBA-I	18.1	710 m	multiple	1999–2018	31 Dec 2018	55	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
7	1999 RP28	AMO	22.6	110 m	single	29 days	06 Oct 1999	43	Disc.: CSS	MPC · JPL
1	1999 RQ28	AMO	20.7	260 m	multiple	1999–2008	20 Jan 2008	124	Disc.: LONEOS	MPC · JPL
2	1999 RV29	MCA	18.0	2.1 km	multiple	1999–2018	08 Jul 2018	63	Disc.: LINEAR Alt.: 2010 OM77, 2014 MA5	MPC · JPL
0	1999 RZ29	MBA-M	17.3	1.0 km	multiple	1999–2020	06 Dec 2020	187	Disc.: LINEAR Alt.: 2014 EB55	MPC · JPL
0	1999 RC31	MCA	16.7	1.4 km	multiple	1999–2021	15 Jan 2021	126	Disc.: LINEAR	MPC · JPL
7	1999 RZ31	AMO	23.8	62 m	single	14 days	21 Sep 1999	42	Disc.: LINEAR	MPC · JPL
3	1999 RA32	APO	21.2	200 m	single	326 days	30 Jul 2000	70	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 RQ37	MBA-M	17.1	1.6 km	multiple	1997–2020	28 Jun 2020	71	Disc.: Spacewatch	MPC · JPL
0	1999 RR40	MBA-M	17.5	1.3 km	multiple	1999–2020	23 Aug 2020	84	Disc.: LINEAR Alt.: 2016 TV25	MPC · JPL
0	1999 RE42	MBA-O	16.8	2.4 km	multiple	1999–2020	03 Dec 2020	169	Disc.: Ondřejov Obs. Alt.: 2015 UA6	MPC · JPL
1	1999 RM45	APO	19.4	470 m	multiple	1999–2021	16 Jan 2021	107	Disc.: LINEAR Potentially hazardous object	MPC · JPL
0	1999 RX65	MBA-M	17.5	940 m	multiple	1999–2021	12 Jan 2021	244	Disc.: LINEAR	MPC · JPL
1	1999 RY86	MBA-M	17.8	1.2 km	multiple	1999–2017	11 Dec 2017	35	Disc.: Spacewatch Alt.: 2008 TQ217	MPC · JPL
0	1999 RP90	MCA	18.1	1.0 km	multiple	1999–2020	17 Oct 2020	133	Disc.: LINEAR	MPC · JPL
1	1999 RV163	MBA-M	18.1	1.0 km	multiple	1999–2017	09 Dec 2017	32	Disc.: Spacewatch Alt.: 2017 XO9	MPC · JPL
0	1999 RK170	MBA-I	18.1	710 m	multiple	1999–2017	20 Nov 2017	98	Disc.: Spacewatch Alt.: 2015 AS35	MPC · JPL
1	1999 RW175	MBA-I	19.1	450 m	multiple	1999–2017	28 Jan 2017	29	Disc.: Spacewatch	MPC · JPL
0	1999 RA176	MBA-I	18.4	620 m	multiple	1999–2019	09 Jan 2019	35	Disc.: Spacewatch	MPC · JPL
0	1999 RS186	MBA-O	17.3	1.9 km	multiple	1999–2020	23 Oct 2020	50	Disc.: Spacewatch	MPC · JPL
0	1999 RN213	MBA-O	16.2	3.2 km	multiple	1999–2019	02 May 2019	127	Disc.: Berg. Gladbach Alt.: 2010 SS39	MPC · JPL
E	1999 RS214	TNO	7.9	117 km	single	33 days	09 Oct 1999	10	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
3	1999 RT214	TNO	7.8	122 km	multiple	1999–2008	29 May 2008	44	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold), albedo: 0.210; binary: 45 km	MPC · JPL
3	1999 RU214	TNO	7.3	154 km	multiple	1999–2008	24 Oct 2008	20	Disc.: Mauna Kea Obs. LoUTNOs, SDO	MPC · JPL
4	1999 RV214	TNO	7.9	117 km	multiple	1999–2015	28 May 2015	13	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
3	1999 RW214	TNO	7.3	154 km	multiple	1998–2016	12 Aug 2016	29	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
2	1999 RX214	TNO	6.8	193 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	122 km	multiple	1999–2017	22 Sep 2017	17	Disc.: Mauna Kea Obs. LoUTNOs, SDO	MPC · JPL
2	1999 RB215	TNO	9.4	58 km	multiple	1999–2011	26 Oct 2011	23	Disc.: Mauna Kea Obs. LoUTNOs, twotino	MPC · JPL
2	1999 RC215	TNO	6.9	185 km	multiple	1999–2020	21 Jul 2020	28	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 RF215	TNO	7.4	147 km	single	65 days	11 Nov 1999	8	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
4	1999 RG215	TNO	7.4	147 km	multiple	1999–2017	23 Sep 2017	22	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
0	1999 RJ215	TNO	7.4	147 km	multiple	1999–2017	22 Jul 2017	46	Disc.: Mauna Kea Obs. LoUTNOs, SDO, BR-mag: 1.22	MPC · JPL
3	1999 RK215	TNO	7.6	134 km	multiple	1999–2015	08 Nov 2015	17	Disc.: Mauna Kea Obs. LoUTNOs, plutino	MPC · JPL
6	1999 RR215	TNO	8.1	106 km	multiple	1999–2000	28 Dec 2000	14	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 RT215	TNO	7.1	168 km	single	63 days	09 Nov 1999	9	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
2	1999 RV215	TNO	8.4	93 km	multiple	1999–2014	22 Oct 2014	16	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
5	1999 RW215	TNO	7.95	111 km	multiple	1999–2021	11 Jan 2021	21	Disc.: Mauna Kea Obs. LoUTNOs, res · 3:4	MPC · JPL
3	1999 RX215	TNO	7.6	134 km	multiple	1999–2017	17 Sep 2017	19	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
E	1999 RC216	TNO	7.3	154 km	single	62 days	09 Nov 1999	10	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (cold)	MPC · JPL
–	1999 RV216	MBA-M	18.5	840 m	single	12 days	17 Sep 1999	9	Disc.: Spacewatch	MPC · JPL
0	1999 RD217	MBA-M	16.5	2.8 km	multiple	1999–2020	02 Apr 2020	136	Disc.: Spacewatch Alt.: 2017 OJ38	MPC · JPL
0	1999 RE217	MBA-M	17.4	1.4 km	multiple	1999–2020	25 May 2020	84	Disc.: Spacewatch	MPC · JPL
0	1999 RB225	MCA	18.1	710 m	multiple	1999–2018	13 Nov 2018	80	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 RN233	MBA-M	16.7	1.4 km	multiple	1999–2021	12 Jan 2021	319	Disc.: CSS Alt.: 1999 RK186	MPC · JPL
0	1999 RH242	MBA-M	17.8	1.5 km	multiple	1999–2017	13 Sep 2017	34	Disc.: Spacewatch	MPC · JPL
0	1999 RK243	MBA-I	18.8	520 m	multiple	1999–2019	25 Sep 2019	64	Disc.: Spacewatch	MPC · JPL
0	1999 RF244	MBA-O	16.5	2.8 km	multiple	1999–2020	17 Sep 2020	176	Disc.: Spacewatch	MPC · JPL
0	1999 RG244	MBA-M	17.5	1.3 km	multiple	1999–2020	15 Aug 2020	67	Disc.: Spacewatch Alt.: 2008 VD30	MPC · JPL
0	1999 RD245	MBA-I	17.9	780 m	multiple	1996–2020	10 Dec 2020	153	Disc.: Spacewatch Alt.: 2006 SO63, 2008 AR78	MPC · JPL
0	1999 RL245	MBA-O	16.2	3.2 km	multiple	1999–2020	26 Jun 2020	121	Disc.: Spacewatch Alt.: 2010 LR72	MPC · JPL
0	1999 RE250	MBA-I	18.1	710 m	multiple	1999–2019	20 Dec 2019	112	Disc.: Spacewatch Alt.: 2012 QN12	MPC · JPL
0	1999 RM250	MBA-M	17.4	980 m	multiple	1999–2021	07 Jan 2021	82	Disc.: Spacewatch	MPC · JPL
1	1999 RR250	MBA-M	17.8	820 m	multiple	1999–2021	11 Jan 2021	98	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2016 XP28	MPC · JPL
1	1999 RT250	MBA-M	17.9	1.1 km	multiple	1999–2017	24 Nov 2017	39	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 RW250	MBA-O	16.2	3.2 km	multiple	1999–2020	26 Jun 2020	146	Disc.: Spacewatch Alt.: 2014 HP33	MPC · JPL
0	1999 RB251	MBA-I	18.5	590 m	multiple	1999–2020	20 Jul 2020	40	Disc.: Spacewatch	MPC · JPL
0	1999 RL251	MBA-O	16.7	2.5 km	multiple	1999–2019	04 Apr 2019	60	Disc.: Spacewatch Alt.: 2010 TR120	MPC · JPL
0	1999 RM251	MBA-M	17.3	1.9 km	multiple	1999–2017	15 Aug 2017	40	Disc.: Spacewatch Alt.: 2006 EJ21, 2013 TF66	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	16.2	3.2 km	multiple	1999–2020	15 Oct 2020	114	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	97 km	single	1 day	13 Sep 1999	6	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
0	1999 RU259	MBA-M	16.3	1.6 km	multiple	1999–2021	14 Jan 2021	327	Disc.: CSS	MPC · JPL
0	1999 RV259	MBA-O	16.4	2.9 km	multiple	1999–2020	13 Sep 2020	143	Disc.: Spacewatch	MPC · JPL
0	1999 RW259	MBA-M	16.8	1.8 km	multiple	1999–2020	21 Jul 2020	104	Disc.: Astrovirtel	MPC · JPL
0	1999 RX259	MBA-I	18.4	620 m	multiple	1999–2020	19 Apr 2020	77	Disc.: Spacewatch	MPC · JPL
0	1999 RY259	MBA-M	17.0	1.7 km	multiple	1999–2018	20 Feb 2018	61	Disc.: Spacewatch	MPC · JPL
0	1999 RZ259	MBA-O	16.1	3.4 km	multiple	1999–2020	13 Jul 2020	82	Disc.: Spacewatch	MPC · JPL
0	1999 RA260	MBA-M	17.5	1.3 km	multiple	1999–2019	04 Apr 2019	52	Disc.: Spacewatch	MPC · JPL
0	1999 RB260	MBA-O	16.7	2.5 km	multiple	1999–2019	06 Apr 2019	46	Disc.: Spacewatch	MPC · JPL
0	1999 RC260	MBA-M	17.8	1.2 km	multiple	1999–2020	24 Jun 2020	53	Disc.: Spacewatch	MPC · JPL
0	1999 RD260	MBA-I	18.3	650 m	multiple	1999–2020	24 Jun 2020	67	Disc.: Spacewatch	MPC · JPL
1	1999 RE260	MBA-I	18.6	570 m	multiple	1999–2016	04 Oct 2016	41	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 RH260	MBA-M	17.1	1.1 km	multiple	1995–2021	16 Jan 2021	108	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	17.5	940 m	multiple	1999–2020	05 Nov 2020	69	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
1	1999 RN260	MBA-I	18.2	680 m	multiple	1999–2019	04 Apr 2019	29	Disc.: Spacewatch	MPC · JPL
0	1999 RO260	MBA-I	18.5	590 m	multiple	1999–2018	02 Nov 2018	59	Disc.: Spacewatch	MPC · JPL
0	1999 RP260	MBA-M	16.8	2.4 km	multiple	1999–2020	24 Mar 2020	83	Disc.: Spacewatch	MPC · JPL
0	1999 RQ260	MBA-I	18.3	650 m	multiple	1999–2020	30 Jan 2020	56	Disc.: Spacewatch	MPC · JPL
0	1999 RR260	MBA-M	17.7	1.2 km	multiple	1999–2020	13 Sep 2020	56	Disc.: Spacewatch	MPC · JPL
0	1999 RS260	MBA-I	18.2	680 m	multiple	1999–2020	10 Dec 2020	56	Disc.: Spacewatch	MPC · JPL
0	1999 RT260	MBA-I	18.4	620 m	multiple	1999–2020	13 May 2020	38	Disc.: Spacewatch	MPC · JPL
0	1999 RU260	MBA-O	17.0	2.2 km	multiple	1999–2020	05 Nov 2020	56	Disc.: Spacewatch	MPC · JPL
0	1999 RV260	MBA-I	18.7	540 m	multiple	1999–2019	22 Aug 2019	56	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 RX260	MBA-O	16.5	2.8 km	multiple	1999–2020	23 Mar 2020	54	Disc.: Spacewatch	MPC · JPL
0	1999 RY260	MBA-M	16.7	1.4 km	multiple	1999–2021	06 Jan 2021	132	Disc.: Spacewatch	MPC · JPL
0	1999 RZ260	MBA-O	16.5	2.8 km	multiple	1999–2020	05 Nov 2020	77	Disc.: Spacewatch	MPC · JPL
0	1999 RA261	MBA-M	17.3	1.9 km	multiple	1999–2018	17 Dec 2018	41	Disc.: Spacewatch	MPC · JPL
0	1999 RB261	MBA-M	17.6	1.3 km	multiple	1999–2020	23 Jun 2020	45	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 RD261	MBA-O	16.8	2.4 km	multiple	1999–2020	17 Oct 2020	88	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2014 MC90	MPC · JPL
3	1999 RF261	MBA-M	18.1	710 m	multiple	1999–2020	17 Nov 2020	34	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. 19 October 2020. Retrieved 17 January 2021. (doc)
^ "NEOWISE Diameters and Albedos – V2.0". PDS Small Bodies Node. 2019. Retrieved 18 January 2021.
^ Johnston, Wm. Robert (18 August 2020). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 18 January 2021.

[MPCORB-1] "Data Available from the Minor Planet Center – MPCORB.DAT". Minor Planet Center. 19 October 2020. Retrieved 17 January 2021. (doc)

[PDS-NEOWISE-diameters-2] "NEOWISE Diameters and Albedos – V2.0". PDS Small Bodies Node. 2019. Retrieved 18 January 2021.

[johnstonsarchive-TNO-list-3] Johnston, Wm. Robert (18 August 2020). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 18 January 2021.

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