List of unnumbered minor planets: 1998

This is a partial list of unnumbered minor planets for principal provisional designations assigned between 1 January and 31 December 1998. As of June 2024^[update], a total of 341 bodies remain unnumbered for this period.^[1]^[2]^[3]^[4] 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

6	1998 AK10	MCA	20.9	200 m	single	33 days	02 Feb 1998	26	Disc.: Spacewatch	MPC · JPL
0	1998 AA12	MBA-I	18.72	540 m	multiple	1998–2021	15 Apr 2021	42	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

0	1998 BY7	APO	21.47	180 m	multiple	1998–2021	04 Aug 2021	156	Disc.: Spacewatch Potentially hazardous object	MPC · JPL
7	1998 BT13	APO	26.5	18 m	single	6 days	30 Jan 1998	15	Disc.: Spacewatch	MPC · JPL
2	1998 BZ13	MBA-I	19.39	410 m	multiple	1998–2023	27 Mar 2023	42	Disc.: Spacewatch Alt.: 2016 EF148	MPC · JPL
0	1998 BJ21	MBA-I	17.7	860 m	multiple	1998–2020	23 Nov 2020	99	Disc.: Spacewatch	MPC · JPL
7	1998 BR26	APO	26.0	22 m	single	1 day	31 Jan 1998	19	Disc.: Spacewatch	MPC · JPL
2	1998 BJ28	MBA-M	17.9	1.1 km	multiple	1998–2020	14 Feb 2020	57	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2016 ET53	MPC · JPL
0	1998 BB29	MBA-O	16.92	2.3 km	multiple	1998–2021	13 Apr 2021	92	Disc.: Spacewatch Alt.: 2013 TG95, 2015 FV48	MPC · JPL
0	1998 BJ29	MBA-I	18.14	700 m	multiple	1993–2020	15 Feb 2020	51	Disc.: Spacewatch Added on 21 August 2021 Alt.: 2004 XU142	MPC · JPL
7	1998 BC34	Asteroid	20.8	390 m	single	11 days	02 Feb 1998	15	Disc.: Spacewatch MCA at MPC	MPC · JPL
0	1998 BN35	MBA-M	18.14	700 m	multiple	1998–2021	11 Nov 2021	36	Disc.: Spacewatch Alt.: 2015 KR61	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

0	1998 DO11	MBA-O	16.6	2.7 km	multiple	1998–2021	10 Jun 2021	203	Disc.: NEAT/GEODSS Alt.: 2014 YJ47	MPC · JPL
6	1998 DX11	APO	27.0	14 m	single	3 days	26 Feb 1998	13	Disc.: Spacewatch	MPC · JPL
8	1998 DV20	APO	20.3	310 m	single	10 days	06 Mar 1998	11	Disc.: Spacewatch	MPC · JPL
0	1998 DH22	MBA-I	19.9	310 m	multiple	1998–2021	17 Feb 2021	141	Disc.: Spacewatch Added on 17 June 2021 Alt.: 2011 BR143	MPC · JPL
0	1998 DA25	MBA-O	16.97	2.2 km	multiple	1998–2021	08 Sep 2021	79	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2020 HF22	MPC · JPL
0	1998 DM25	MBA-I	18.9	490 m	multiple	1998–2021	10 Apr 2021	35	— Added on 29 January 2022	MPC · JPL
0	1998 DF26	MBA-I	18.96	480 m	multiple	1998–2021	08 May 2021	43	Disc.: Spacewatch	MPC · JPL
7	1998 DK36	ATI	25.0	36 m	single	1 day	24 Feb 1998	4	Disc.: Mauna Kea Obs.	MPC · JPL
0	1998 DV38	MBA-M	17.9	1.5 km	multiple	1998–2017	01 Jul 2017	39	Disc.: Spacewatch	MPC · JPL
0	1998 DX38	MBA-I	18.8	520 m	multiple	1998–2020	17 Dec 2020	47	Disc.: Spacewatch	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

3	1998 EE3	APO	27.2	13 m	single	3 days	04 Mar 1998	11	Disc.: Spacewatch	MPC · JPL
1	1998 EO3	MBA-I	18.7	540 m	multiple	1998–2020	15 May 2020	35	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
2	1998 EP4	APO	21.5	180 m	multiple	1996–1998	05 Apr 1998	71	Disc.: Spacewatch	MPC · JPL
0	1998 EK22	MBA-O	16.94	2.3 km	multiple	1998–2021	03 May 2021	93	Disc.: Spacewatch Alt.: 2015 BU119	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

0	1998 FL5	APO	21.52	170 m	multiple	1998–2022	19 Oct 2022	114	Disc.: LINEAR	MPC · JPL
0	1998 FM9	AMO	19.70	410 m	multiple	1998–2022	22 Jan 2022	121	Disc.: LINEAR	MPC · JPL
2	1998 FS11	MCA	19.4	390 m	multiple	1998–2005	09 Mar 2005	82	Disc.: NEAT/GEODSS	MPC · JPL
6	1998 FG12	APO	21.0	220 m	single	39 days	02 May 1998	42	Disc.: LINEAR	MPC · JPL
4	1998 FS144	TNO	6.7	235 km	multiple	1998–2022	26 Apr 2022	22	Disc.: Cerro Tololo LoUTNOs, cubewano (hot), BR-mag: 1.53; taxonomy: IR	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

0	1998 GO	MBA-I	18.5	590 m	multiple	1998–2020	04 Jan 2020	53	Disc.: Spacewatch Alt.: 2013 EQ27, 2013 EO179	MPC · JPL
0	1998 GC1	AMO	21.27	210 m	multiple	1998–2023	10 Dec 2023	95	Disc.: LINEAR	MPC · JPL
0	1998 GL10	AMO	19.0	560 m	multiple	1998–2015	21 May 2015	286	Disc.: LINEAR Alt.: 2014 UW34	MPC · JPL
1	1998 GM10	MCA	19.3	410 m	multiple	1998–2021	19 Jun 2021	84	Disc.: LINEAR Alt.: 2021 ES4	MPC · JPL
0	1998 GF13	MBA-I	17.98	750 m	multiple	1998–2022	25 Jan 2022	127	Disc.: Spacewatch	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

4	1998 HH1	AMO	23.2	81 m	single	32 days	19 May 1998	40	Disc.: Spacewatch	MPC · JPL
3	1998 HM1	APO	24.4	47 m	single	7 days	25 Apr 1998	33	Disc.: Spacewatch	MPC · JPL
0	1998 HK5	MBA-M	17.9	1.1 km	multiple	1998–2020	23 Jun 2020	67	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
2	1998 HZ7	MBA-O	17.2	2.0 km	multiple	1998–2004	18 Jul 2004	102	Disc.: Kleť Obs.	MPC · JPL
0	1998 HX15	MBA-I	17.5	940 m	multiple	1998–2019	25 Oct 2019	73	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2002 JV148, 2010 EM148	MPC · JPL
0	1998 HE16	MBA-M	17.45	1.4 km	multiple	1998–2021	13 Sep 2021	95	Disc.: Spacewatch	MPC · JPL
0	1998 HX27	MBA-O	16.52	2.8 km	multiple	1998–2021	11 Jul 2021	77	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2009 DO34, 2010 GM87	MPC · JPL
2	1998 HT31	APO	20.8	250 m	single	19 days	09 May 1998	133	Disc.: NEAT/GEODSS Potentially hazardous object	MPC · JPL
2	1998 HD43	MBA-I	19.1	450 m	multiple	1998–2021	10 Apr 2021	34	Disc.: Spacewatch Added on 24 December 2021	MPC · JPL
0	1998 HH49	APO	21.43	190 m	multiple	1998–2023	17 Oct 2023	25	Disc.: Spacewatch Potentially hazardous object	MPC · JPL
9	1998 HP126	ATE	25.77	25 m	single	1 day	25 Apr 1998	15	Disc.: LINEAR Added on 21 August 2021	MPC · JPL
3	1998 HL151	TNO	8.1	100 km	multiple	1998–2013	08 May 2013	25	Disc.: Mauna Kea Obs. LoUTNOs, other TNO, BR-mag: 1.06	MPC · JPL
2	1998 HN151	TNO	8.3	91 km	multiple	1998–2017	01 Apr 2017	31	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
3	1998 HO151	TNO	8.2	95 km	multiple	1998–2017	30 Mar 2017	19	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
E	1998 HR151	TNO	8.6	65 km	single	63 days	30 Jun 1998	11	Disc.: Mauna Kea Obs. LoUTNOs, cubewano?	MPC · JPL
0	1998 HF159	MBA-I	18.6	570 m	multiple	1998–2019	24 Sep 2019	61	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

0	1998 JG2	MCA	18.9	490 m	multiple	1998–2020	23 Jun 2020	104	Disc.: Whipple Obs.	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

4	1998 KH	APO	19.2	510 m	multiple	1998–2015	01 Jun 2015	133	Disc.: LINEAR	MPC · JPL
4	1998 KD3	APO	20.6	270 m	single	28 days	21 Jun 1998	172	Disc.: LINEAR AMO at MPC	MPC · JPL
1	1998 KF3	AMO	19.14	520 m	multiple	1998–2017	20 Jul 2017	87	Disc.: LINEAR	MPC · JPL
8	1998 KO3	APO	19.5	450 m	single	6 days	30 May 1998	60	Disc.: LINEAR	MPC · JPL
2	1998 KF6	MCA	20.3	260 m	multiple	1998–2019	08 May 2019	70	Disc.: LINEAR Alt.: 2013 JT6	MPC · JPL
0	1998 KF11	MBA-M	18.62	1.1 km	multiple	1998–2021	28 Sep 2021	61	Disc.: Spacewatch	MPC · JPL
1	1998 KK16	MCA	17.5	1.8 km	multiple	1998–2020	23 Dec 2020	123	Disc.: LINEAR	MPC · JPL
6	1998 KJ17	AMO	23.5	71 m	single	8 days	05 Jun 1998	59	Disc.: LINEAR	MPC · JPL
0	1998 KY26	APO	25.73	25 m	multiple	1998–2024	01 May 2024	236	Disc.: Spacewatch	MPC · JPL
0	1998 KC43	MBA-O	15.71	4.0 km	multiple	1998–2022	08 Jan 2022	156	Disc.: Spacewatch Alt.: 2010 LU125, 2018 PK2	MPC · JPL
2	1998 KY61	TNO	7.3	115 km	multiple	1998–2017	22 Aug 2017	58	Disc.: Cerro Tololo LoUTNOs, cubewano (cold)	MPC · JPL
4	1998 KS65	TNO	7.65	98 km	multiple	1998–2021	12 Sep 2021	57	Disc.: Cerro Tololo LoUTNOs, cubewano (cold), BR-mag: 1.73; taxonomy: RR-IR	MPC · JPL
E	1998 KD66	TNO	8.9	57 km	single	10 days	30 May 1998	3	Disc.: Cerro Tololo LoUTNOs, cubewano?	MPC · JPL
E	1998 KE66	TNO	9.0	54 km	single	10 days	30 May 1998	3	Disc.: Cerro Tololo LoUTNOs, cubewano?	MPC · JPL
E	1998 KF66	TNO	9.8	52 km	single	10 days	30 May 1998	3	Disc.: Cerro Tololo LoUTNOs, plutino?	MPC · JPL
E	1998 KG66	TNO	8.9	57 km	single	10 days	30 May 1998	3	Disc.: Cerro Tololo LoUTNOs, cubewano?	MPC · JPL
0	1998 KG69	MBA-M	17.45	1.8 km	multiple	1998–2021	30 Jul 2021	96	Disc.: Spacewatch	MPC · JPL
0	1998 KH69	MBA-I	18.2	680 m	multiple	1998–2020	16 Oct 2020	39	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

0	1998 LE	APO	20.36	300 m	multiple	1998–2024	19 May 2024	111	Disc.: LINEAR	MPC · JPL

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M

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

0	1998 MN	MBA-I	17.44	970 m	multiple	1998–2022	10 Jan 2022	108	Disc.: Spacewatch Alt.: 2016 NF18	MPC · JPL
0	1998 MS	HUN	18.39	620 m	multiple	1998–2022	25 Jan 2022	62	Disc.: Spacewatch Added on 24 December 2021	MPC · JPL
0	1998 MS2	AMO	20.4	300 m	multiple	1998–2023	12 Jan 2023	145	Disc.: CSS	MPC · JPL
0	1998 MQ4	MBA-M	17.95	760 m	multiple	1998–2019	27 Nov 2019	154	Disc.: Spacewatch Alt.: 2011 UK386	MPC · JPL
0	1998 ML5	MBA-O	16.16	3.3 km	multiple	1998–2021	29 Oct 2021	183	Disc.: Spacewatch Alt.: 2008 AP99, 2010 OM	MPC · JPL
7	1998 MV5	APO	24.0	56 m	single	9 days	02 Jul 1998	27	Disc.: LINEAR	MPC · JPL
0	1998 MM14	MCA	18.66	550 m	multiple	1998–2021	31 Oct 2021	84	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

0	1998 OL4	MBA-M	17.47	1.8 km	multiple	1998–2021	08 Dec 2021	64	Disc.: Spacewatch Added on 30 September 2021 Alt.: 2021 QV	MPC · JPL
7	1998 OP4	AMO	24.0	56 m	single	4 days	31 Jul 1998	21	Disc.: Spacewatch	MPC · JPL
0	1998 OS15	MBA-M	17.0	1.7 km	multiple	1998–2020	11 Oct 2020	162	Disc.: Spacewatch Alt.: 2010 LX73	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

3	1998 QQ	APO	18.7	650 m	multiple	1998–2019	18 Oct 2019	172	Disc.: LINEAR Alt.: 2015 TV350	MPC · JPL
0	1998 QF1	MCA	18.82	510 m	multiple	1998–2022	06 Jan 2022	111	Disc.: LINEAR	MPC · JPL
1	1998 QH1	AMO	20.7	260 m	multiple	1998–2002	14 Sep 2002	47	Disc.: LINEAR	MPC · JPL
3	1998 QJ1	CEN	16.5	2.9 km	single	62 days	18 Oct 1998	51	Disc.: LINEAR	MPC · JPL
0	1998 QE3	MCA	18.27	640 m	multiple	1998–2024	06 Aug 2024	71	Disc.: LINEAR	MPC · JPL
5	1998 QV3	AMO	20.5	280 m	single	58 days	13 Oct 1998	63	Disc.: LINEAR	MPC · JPL
0	1998 QV27	MCA	19.02	500 m	multiple	1998–2023	16 Apr 2023	59	Disc.: Spacewatch	MPC · JPL
0	1998 QF28	MBA-M	17.64	1.7 km	multiple	1998–2021	29 Aug 2021	69	Disc.: Spacewatch Alt.: 2012 RC7	MPC · JPL
8	1998 QH28	AMO	22.9	93 m	single	7 days	30 Aug 1998	15	Disc.: Spacewatch	MPC · JPL
0	1998 QK28	APO	19.54	450 m	multiple	1998–2024	11 Jan 2024	586	Disc.: LINEAR Potentially hazardous object	MPC · JPL
0	1998 QP52	MCA	18.08	1.3 km	multiple	1998–2022	09 Jan 2022	103	Disc.: LINEAR	MPC · JPL
0	1998 QJ56	MCA	18.0	1.1 km	multiple	1998–2024	30 Jun 2024	122	Disc.: LINEAR	MPC · JPL
3	1998 QX56	MBA-I	18.8	520 m	multiple	1998–2019	03 Oct 2019	42	Disc.: Spacewatch	MPC · JPL
2	1998 QO59	MBA-I	19.4	390 m	multiple	1998–2018	08 Aug 2018	22	Disc.: Spacewatch	MPC · JPL
0	1998 QU59	MBA-M	17.90	1.1 km	multiple	1998–2022	26 Jan 2022	67	Disc.: Spacewatch Alt.: 2017 BM4	MPC · JPL
0	1998 QA62	APO	19.29	500 m	multiple	1998-2022	12 Apr 2022	80	Disc.: LINEAR Potentially hazardous object	MPC · JPL
1	1998 QQ85	MCA	18.05	1.4 km	multiple	1998–2021	29 Nov 2021	69	Disc.: LINEAR Alt.: 2007 PN4	MPC · JPL
1	1998 QX104	MCA	19.69	360 m	multiple	1995–2023	11 Oct 2023	31	Disc.: ODAS	MPC · JPL
5	1998 QA105	AMO	21.5	180 m	single	58 days	27 Oct 1998	24	Disc.: Spacewatch	MPC · JPL
3	1998 QA107	MCA	20.2	270 m	multiple	1998–2018	14 Sep 2018	41	Disc.: Spacewatch Alt.: 2008 RZ75	MPC · JPL
1	1998 QQ110	MBA-M	17.9	1.1 km	multiple	1998–2015	10 Oct 2015	44	Disc.: Spacewatch Alt.: 2015 TA182	MPC · JPL
0	1998 QA112	MBA-I	18.44	610 m	multiple	1998–2021	05 Nov 2021	99	Disc.: Spacewatch	MPC · JPL
0	1998 QK112	MBA-M	17.96	1.4 km	multiple	1998–2021	07 Nov 2021	93	Disc.: Spacewatch	MPC · JPL
0	1998 QL112	MBA-O	17.23	2.0 km	multiple	1998–2021	25 Nov 2021	80	Disc.: Spacewatch	MPC · JPL
1	1998 QM112	MBA-O	18.06	1.3 km	multiple	1998–2023	23 Jul 2023	37	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

2	1998 RC	MCA	19.2	610 m	multiple	1998–2020	26 Sep 2020	68	Disc.: Spacewatch Added on 9 March 2021 Alt.: 2020 OO6	MPC · JPL
0	1998 RJ8	MBA-O	17.4	1.8 km	multiple	1998–2019	25 Sep 2019	56	Disc.: Spacewatch	MPC · JPL
2	1998 RS8	MBA-M	18.3	1.2 km	multiple	2007–2016	07 Nov 2016	30	Disc.: Spacewatch	MPC · JPL
1	1998 RB10	MBA-I	17.9	780 m	multiple	1998–2017	13 Dec 2017	65	Disc.: Spacewatch	MPC · JPL
2	1998 RK10	MBA-I	18.7	540 m	multiple	1998–2017	11 Dec 2017	48	Disc.: Spacewatch	MPC · JPL
0	1998 RU10	MBA-I	18.9	490 m	multiple	1995–2020	16 Oct 2020	90	Disc.: Spacewatch	MPC · JPL
0	1998 RJ11	MBA-I	19.21	450 m	multiple	1998–2023	06 Sep 2023	54	Disc.: Spacewatch Alt.: 2016 TT88	MPC · JPL
0	1998 RZ11	MBA-I	18.65	550 m	multiple	1998–2021	12 May 2021	41	Disc.: Spacewatch	MPC · JPL
0	1998 RK12	MBA-I	18.0	750 m	multiple	1998–2021	15 Jan 2021	146	Disc.: Spacewatch Alt.: 2010 AW120	MPC · JPL
0	1998 RL13	MBA-M	17.7	1.6 km	multiple	1998–2017	25 Oct 2017	45	Disc.: Spacewatch Alt.: 2003 UW394	MPC · JPL
0	1998 RO15	MBA-O	16.79	2.4 km	multiple	1998–2021	28 Nov 2021	101	Disc.: Spacewatch Alt.: 2007 ES240	MPC · JPL
0	1998 RY20	MBA-M	18.08	780 m	multiple	1998–2023	21 Aug 2023	37	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1998 RL21	MBA-M	18.86	540 m	multiple	1998–2023	07 Sep 2023	66	Disc.: Spacewatch	MPC · JPL
0	1998 RA22	MBA-I	19.1	450 m	multiple	1998–2020	15 Oct 2020	61	Disc.: Spacewatch	MPC · JPL
1	1998 RJ81	MBA-I	19.61	350 m	multiple	1998–2023	06 Aug 2023	24	Disc.: Spacewatch Alt.: 2009 VG11	MPC · JPL
0	1998 RN81	MBA-M	18.0	1.1 km	multiple	1998–2019	24 Dec 2019	49	Disc.: Spacewatch	MPC · JPL
1	1998 RS81	MBA-M	17.84	1.5 km	multiple	1998–2021	08 Nov 2021	60	Disc.: Spacewatch	MPC · JPL
1	1998 RT81	MBA-I	18.91	490 m	multiple	1998–2022	25 Jan 2022	34	Disc.: Spacewatch	MPC · JPL
0	1998 RV81	MBA-I	19.52	370 m	multiple	1998–2021	28 Sep 2021	28	Disc.: Spacewatch	MPC · JPL
1	1998 RW81	MBA-O	17.5	1.8 km	multiple	1998–2019	19 Dec 2019	31	Disc.: DB Missing Added on 22 July 2020	MPC · JPL
2	1998 RX81	MBA-I	19.0	470 m	multiple	1998–2020	07 Sep 2020	40	Disc.: DB Missing Added on 19 October 2020	MPC · JPL
0	1998 RY81	MBA-O	17.08	2.1 km	multiple	1998–2021	28 Oct 2021	55	Disc.: Spacewatch Added on 5 November 2021	MPC · JPL

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S

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

0	1998 SM	MBA-M	17.81	1.5 km	multiple	1998–2021	27 Oct 2021	89	Disc.: Spacewatch	MPC · JPL
1	1998 SG2	AMO	19.3	490 m	multiple	1998–2018	12 Jul 2018	196	Disc.: LONEOS	MPC · JPL
0	1998 SH2	APO	20.8	383 m	multiple	1998–2016	27 Oct 2016	144	Disc.: Spacewatch Potentially hazardous object Alt.: 2016 EC156	MPC · JPL
1	1998 SP4	MBA-M	18.8	730 m	multiple	1998–2021	03 Jan 2021	61	Disc.: Spacewatch Alt.: 2011 SF2	MPC · JPL
6	1998 SS4	AMO	21.8	160 m	single	24 days	13 Oct 1998	36	Disc.: LINEAR	MPC · JPL
1	1998 SU4	APO	21.42	200 m	multiple	1998–2014	30 Sep 2014	98	Disc.: LINEAR Potentially hazardous object	MPC · JPL
1	1998 SG7	MBA-O	17.75	1.6 km	multiple	1998–2024	10 Sep 2024	33	Disc.: Spacewatch	MPC · JPL
0	1998 SD9	ATE	24.09	54 m	multiple	2008–2018	15 Sep 2018	115	Disc.: LINEAR	MPC · JPL
5	1998 SY14	APO	20.6	270 m	single	125 days	24 Jan 1999	68	Disc.: LINEAR Potentially hazardous object	MPC · JPL
2	1998 SZ14	AMO	19.1	540 m	multiple	1998–2014	02 Jan 2014	66	Disc.: LINEAR Alt.: 2013 WK103	MPC · JPL
0	1998 SL15	MBA-I	18.3	650 m	multiple	1998–2020	15 Sep 2020	97	Disc.: Spacewatch	MPC · JPL
0	1998 SM16	MBA-I	18.25	670 m	multiple	1998–2022	27 Jan 2022	66	Disc.: Spacewatch Alt.: 2011 CQ77	MPC · JPL
0	1998 SL18	MBA-M	17.9	1.1 km	multiple	1998–2021	07 Jan 2021	52	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2011 SL202	MPC · JPL
–	1998 ST21	HUN	19.5	370 m	single	9 days	30 Sep 1998	12	Disc.: Spacewatch	MPC · JPL
0	1998 SJ27	MBA-I	17.76	830 m	multiple	1998–2022	24 Jan 2022	79	Disc.: Woomera Obs. Alt.: 2020 KG1	MPC · JPL
2	1998 SG28	MBA-O	17.9	1.5 km	multiple	1998–2020	23 Sep 2020	32	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
2	1998 SH28	MCA	19.7	340 m	multiple	1998–2018	14 Aug 2018	22	Disc.: Spacewatch Added on 24 December 2021	MPC · JPL
0	1998 SB31	MBA-I	18.2	680 m	multiple	1998–2019	29 Oct 2019	79	Disc.: Spacewatch Alt.: 2012 SH27, 2015 HR58	MPC · JPL
–	1998 SQ33	MBA-M	18.0	1.4 km	single	11 days	27 Sep 1998	19	Disc.: LINEAR	MPC · JPL
1	1998 SE35	AMO	19.3	490 m	multiple	1998–2020	19 Jan 2020	118	Disc.: LINEAR	MPC · JPL
0	1998 SB39	MBA-O	17.41	1.8 km	multiple	1998–2021	19 Aug 2021	72	Disc.: Spacewatch Alt.: 2015 VQ79	MPC · JPL
3	1998 SE39	MBA-M	18.6	800 m	multiple	1998–2020	17 Oct 2020	34	Disc.: Spacewatch Alt.: 2020 QN35	MPC · JPL
0	1998 SM40	MBA-M	18.2	960 m	multiple	1998–2020	12 Nov 2020	51	Disc.: Spacewatch Alt.: 2007 VX134	MPC · JPL
1	1998 SP40	MBA-I	19.6	360 m	multiple	1998–2020	20 Oct 2020	74	Disc.: Spacewatch	MPC · JPL
2	1998 SE41	MBA-M	18.5	590 m	multiple	1998–2020	20 Feb 2020	35	Disc.: Spacewatch Alt.: 2016 CP68	MPC · JPL
–	1998 ST41	MBA-I	18.8	520 m	single	9 days	28 Sep 1998	10	Disc.: Spacewatch	MPC · JPL
1	1998 SV41	MBA-I	19.6	360 m	multiple	1998–2020	14 Dec 2020	42	Disc.: Spacewatch Alt.: 2009 VH9, 2009 WC265, 2009 WN296	MPC · JPL
0	1998 SW41	MCA	18.1	1.3 km	multiple	1998–2021	03 Dec 2021	69	Disc.: Spacewatch Added on 5 November 2021	MPC · JPL
1	1998 SR44	MBA-O	17.3	1.9 km	multiple	1998–2020	12 Dec 2020	83	Disc.: Spacewatch Alt.: 2009 RG49	MPC · JPL
1	1998 SJ52	MBA-I	18.3	650 m	multiple	1998–2020	13 Jul 2020	71	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2009 QT4	MPC · JPL
0	1998 SM52	MBA-O	17.38	1.9 km	multiple	1998–2021	30 Nov 2021	68	Disc.: Spacewatch Alt.: 2009 SG196	MPC · JPL
2	1998 SJ91	MBA-O	16.7	2.5 km	multiple	1998–2017	15 Dec 2017	33	Disc.: LINEAR Alt.: 2004 RA89	MPC · JPL
0	1998 SD151	MBA-O	16.6	2.8 km	multiple	1998–2021	17 Jan 2021	146	Disc.: LINEAR Alt.: 2010 EU154, 2014 WO498	MPC · JPL
2	1998 SS167	MBA-M	18.4	880 m	multiple	1998–2020	17 Oct 2020	52	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 SJ172	MBA-I	19.14	440 m	multiple	1998–2021	10 Jan 2021	37	— Added on 29 January 2022	MPC · JPL
0	1998 SL172	MBA-M	18.0	1.1 km	multiple	1998–2019	04 Aug 2019	47	Disc.: SDSS	MPC · JPL
0	1998 SM172	MBA-M	17.9	1.1 km	multiple	1998–2020	10 Dec 2020	75	Disc.: SDSS Added on 22 July 2020 Alt.: 2007 VF29	MPC · JPL
0	1998 SF173	MBA-M	18.28	1.2 km	multiple	1998–2021	27 Oct 2021	49	Disc.: SDSS Added on 5 November 2021	MPC · JPL
0	1998 ST173	MBA-O	15.88	3.7 km	multiple	1996–2022	27 Jan 2022	161	Disc.: SDSS Alt.: 2014 SH157, 2019 TP22	MPC · JPL
0	1998 SV173	MBA-I	18.3	650 m	multiple	1998–2020	08 Dec 2020	97	Disc.: SDSS	MPC · JPL
0	1998 SB174	MBA-O	16.75	2.5 km	multiple	1998–2021	08 Dec 2021	67	Disc.: SDSS Added on 19 October 2020	MPC · JPL
0	1998 SO174	MBA-O	17.13	2.1 km	multiple	1998–2021	09 Dec 2021	88	Disc.: SDSS	MPC · JPL
0	1998 SS174	MBA-M	18.08	1.3 km	multiple	1998–2021	08 Nov 2021	37	Disc.: SDSS	MPC · JPL
0	1998 SF175	MBA-O	16.2	3.2 km	multiple	1998–2020	05 Nov 2020	79	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1998 SH175	MBA-M	17.96	1.4 km	multiple	1998–2021	06 Nov 2021	46	Disc.: SDSS Added on 5 November 2021	MPC · JPL
1	1998 SX176	MBA-I	19.1	450 m	multiple	1998–2022	01 Sep 2022	30	Disc.: Spacewatch	MPC · JPL
3	1998 SZ176	MBA-I	18.9	490 m	multiple	1998–2016	22 Nov 2016	29	Disc.: SDSS Alt.: 2016 WP5	MPC · JPL
0	1998 SZ177	MBA-M	17.16	1.6 km	multiple	1998–2022	27 Jan 2022	110	Disc.: SDSS	MPC · JPL
0	1998 SJ178	MBA-I	18.01	740 m	multiple	1998–2021	02 Dec 2021	104	Disc.: SDSS	MPC · JPL
0	1998 SM178	MBA-M	17.1	1.6 km	multiple	1998–2021	16 Jan 2021	101	Disc.: SDSS Alt.: 2010 JB101	MPC · JPL
0	1998 SN178	MBA-I	18.41	620 m	multiple	1998–2022	27 Jan 2022	85	Disc.: SDSS	MPC · JPL
0	1998 SV178	MBA-M	17.48	1.8 km	multiple	1998–2021	03 Oct 2021	73	Disc.: SDSS	MPC · JPL
0	1998 SA179	MBA-O	16.4	2.9 km	multiple	1993–2020	19 Dec 2020	85	Disc.: Spacewatch Alt.: 1993 UR1	MPC · JPL
0	1998 SD179	MBA-I	18.68	550 m	multiple	1998–2021	07 Apr 2021	100	Disc.: SDSS	MPC · JPL
0	1998 SE179	MBA-I	18.50	590 m	multiple	1998–2021	30 Sep 2021	77	Disc.: SDSS	MPC · JPL
0	1998 SG179	MBA-O	17.36	1.9 km	multiple	1998–2021	20 Apr 2021	49	Disc.: SDSS	MPC · JPL
0	1998 SK179	MBA-I	18.2	680 m	multiple	1998–2019	31 May 2019	47	Disc.: SDSS	MPC · JPL
0	1998 SP179	MBA-I	18.61	560 m	multiple	1998–2021	01 Oct 2021	69	Disc.: SDSS	MPC · JPL
0	1998 SQ179	MBA-I	18.68	550 m	multiple	1998–2022	27 Jan 2022	65	Disc.: SDSS	MPC · JPL
0	1998 ST179	MBA-O	17.27	2.0 km	multiple	1998–2021	05 Jul 2021	76	Disc.: SDSS	MPC · JPL
0	1998 SX179	MBA-I	18.9	490 m	multiple	1998–2020	14 Nov 2020	68	Disc.: SDSS	MPC · JPL
0	1998 SY179	MBA-I	18.2	680 m	multiple	1998–2020	15 Oct 2020	46	Disc.: SDSS	MPC · JPL
0	1998 SZ179	MBA-M	18.77	520 m	multiple	1998–2018	14 Sep 2018	66	Disc.: SDSS Alt.: 2010 KH60	MPC · JPL
1	1998 SA180	MBA-I	19.07	460 m	multiple	1998–2022	27 Jan 2022	51	Disc.: SDSS	MPC · JPL
0	1998 SC180	MBA-M	17.93	1.4 km	multiple	1998–2021	09 Dec 2021	65	Disc.: SDSS	MPC · JPL
0	1998 SD180	MBA-O	16.8	2.4 km	multiple	1998–2020	15 Oct 2020	49	Disc.: SDSS	MPC · JPL
0	1998 SE180	MBA-I	18.81	520 m	multiple	1998–2023	10 Sep 2023	39	Disc.: Spacewatch	MPC · JPL
0	1998 SF180	MBA-I	18.6	570 m	multiple	1998–2020	17 Oct 2020	58	Disc.: SDSS	MPC · JPL
0	1998 SK180	MBA-O	17.44	1.8 km	multiple	1998–2021	09 Apr 2021	56	Disc.: SDSS	MPC · JPL
0	1998 SL180	MBA-M	17.91	1.5 km	multiple	1998–2021	05 Oct 2021	76	Disc.: SDSS	MPC · JPL
2	1998 SM180	MBA-I	18.4	620 m	multiple	1998–2021	01 Dec 2021	33	Disc.: SDSS	MPC · JPL
0	1998 SP180	MBA-M	17.4	980 m	multiple	1998–2020	10 Dec 2020	29	Disc.: SDSS	MPC · JPL
0	1998 SR180	MBA-I	18.0	750 m	multiple	1998–2020	06 Dec 2020	99	Disc.: SDSS	MPC · JPL
0	1998 SS180	MBA-I	18.8	520 m	multiple	1998–2020	16 Sep 2020	45	Disc.: SDSS	MPC · JPL
0	1998 ST180	MBA-M	17.81	810 m	multiple	1998–2021	09 Apr 2021	40	Disc.: SDSS	MPC · JPL
0	1998 SU180	MBA-I	18.9	490 m	multiple	1998–2017	16 Nov 2017	39	Disc.: Spacewatch	MPC · JPL
0	1998 SV180	MBA-M	17.70	1.2 km	multiple	1998–2022	10 Jan 2022	44	Disc.: SDSS	MPC · JPL
0	1998 SW180	MBA-I	19.1	450 m	multiple	1998–2020	05 Nov 2020	56	Disc.: SDSS	MPC · JPL
0	1998 SX180	MBA-M	17.87	1.4 km	multiple	1998–2024	16 Mar 2024	23	Disc.: SDSS	MPC · JPL
0	1998 SY180	MBA-M	18.1	1.0 km	multiple	1998–2015	09 Sep 2015	30	Disc.: SDSS	MPC · JPL
0	1998 SA181	MBA-I	18.68	550 m	multiple	1998–2021	29 Nov 2021	37	Disc.: Spacewatch	MPC · JPL
0	1998 SD181	MBA-I	18.80	520 m	multiple	1998–2021	02 Dec 2021	55	Disc.: SDSS	MPC · JPL
0	1998 SE181	MBA-I	19.44	380 m	multiple	1998–2021	11 Jun 2021	32	Disc.: SDSS	MPC · JPL
2	1998 SK181	MBA-O	16.9	2.3 km	multiple	1998–2020	16 Oct 2020	34	Disc.: SDSS Added on 17 January 2021	MPC · JPL
0	1998 SL181	MBA-I	17.94	780 m	multiple	1998–2023	15 Apr 2023	41	Disc.: SDSS Added on 17 January 2021	MPC · JPL
0	1998 SM181	MBA-I	19.59	370 m	multiple	1998–2023	03 Oct 2023	61	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 SN181	MBA-M	17.8	1.2 km	multiple	1998–2021	16 Jan 2021	44	Disc.: SDSS Added on 17 January 2021	MPC · JPL
0	1998 SO181	MBA-O	17.6	1.7 km	multiple	1998–2021	15 Jan 2021	52	Disc.: SDSS Added on 9 March 2021	MPC · JPL
2	1998 SP181	MBA-O	18.0	1.4 km	multiple	1998–2020	20 Oct 2020	22	Disc.: SDSS Added on 9 March 2021	MPC · JPL
1	1998 SQ181	MBA-I	19.6	360 m	multiple	1998–2017	16 Oct 2017	30	Disc.: SDSS Added on 9 March 2021	MPC · JPL
0	1998 SR181	MBA-I	18.73	530 m	multiple	1998–2021	09 Jun 2021	48	Disc.: No observations Added on 17 June 2021	MPC · JPL
0	1998 SS181	MBA-I	18.5	590 m	multiple	1998–2017	13 Nov 2017	38	Disc.: SDSS Added on 21 August 2021	MPC · JPL
1	1998 ST181	MBA-I	20.0	300 m	multiple	1998–2018	13 Aug 2018	24	Disc.: SDSS Added on 21 August 2021	MPC · JPL
0	1998 SU181	MBA-O	18.16	1.3 km	multiple	1998–2017	28 Sep 2017	37	Disc.: SDSS Added on 21 August 2021	MPC · JPL
0	1998 SV181	MCA	20.22	270 m	multiple	1998–2021	06 Sep 2021	36	Disc.: SDSS Added on 21 August 2021	MPC · JPL
0	1998 SX181	MBA-I	19.24	430 m	multiple	1998–2024	12 Jun 2024	49	Disc.: SDSS Added on 21 August 2021	MPC · JPL
2	1998 SZ181	MBA-O	17.51	1.8 km	multiple	1998–2021	01 Nov 2021	37	Disc.: SDSS Added on 5 November 2021	MPC · JPL
0	1998 SA182	MBA-O	17.0	2.3 km	multiple	1998–2023	19 Mar 2023	38	Disc.: SDSS Added on 24 December 2021	MPC · JPL

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T

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

1	1998 TT3	AMO	18.8	620 m	multiple	1998–2017	16 Apr 2017	132	Disc.: LONEOS	MPC · JPL
0	1998 TB4	MBA-M	18.1	710 m	multiple	1998–2019	27 Nov 2019	38	Disc.: Spacewatch	MPC · JPL
0	1998 TA5	MBA-M	18.43	620 m	multiple	1994–2023	11 Oct 2023	48	Disc.: Spacewatch Alt.: 2002 PG123	MPC · JPL
0	1998 TX9	MBA-M	17.96	1.0 km	multiple	1998–2022	09 May 2022	58	Disc.: Spacewatch	MPC · JPL
0	1998 TZ13	MBA-I	18.5	590 m	multiple	1998–2020	14 Nov 2020	67	Disc.: Spacewatch Alt.: 2009 UM73	MPC · JPL
0	1998 TZ14	MBA-O	16.9	2.4 km	multiple	1998-2021	03 Dec 2021	95	Disc.: Spacewatch Alt.: 2015 KH9	MPC · JPL
0	1998 TY19	HUN	18.9	490 m	multiple	1998–2019	17 Nov 2019	67	Disc.: Spacewatch Alt.: 2011 SB26	MPC · JPL
5	1998 TG20	MBA-I	19.6	360 m	multiple	1998–2015	23 Oct 2015	17	Disc.: Spacewatch Added on 21 August 2021	MPC · JPL
0	1998 TX21	MBA-O	17.3	2.1 km	multiple	1998–2021	09 Jan 2021	81	Disc.: Spacewatch Alt.: 2010 DX50	MPC · JPL
0	1998 TC24	MBA-I	18.6	570 m	multiple	1998–2021	07 Sep 2021	58	Disc.: Spacewatch Added on 30 September 2021 Alt.: 2006 VX123, 2015 AC71, 2021 PK48	MPC · JPL
0	1998 TH25	MBA-I	19.0	470 m	multiple	1998–2021	31 Oct 2021	33	— Added on 29 January 2022	MPC · JPL
1	1998 TV25	MBA-I	18.3	650 m	multiple	1998–2017	07 Dec 2017	53	Disc.: Spacewatch	MPC · JPL
0	1998 TF26	MBA-I	17.88	790 m	multiple	1998–2021	27 Oct 2021	85	Disc.: Spacewatch	MPC · JPL
1	1998 TE28	MBA-M	18.6	800 m	multiple	1998–2020	15 Dec 2020	79	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2016 YV19	MPC · JPL
0	1998 TA29	MBA-O	17.34	2.0 km	multiple	1998–2024	14 Aug 2024	67	Disc.: Spacewatch Added on 21 August 2021 Alt.: 2003 SB357, 2019 RN15	MPC · JPL
0	1998 TU38	MBA-I	18.8	520 m	multiple	1998–2018	07 Aug 2018	38	Disc.: Spacewatch	MPC · JPL

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U

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

8	1998 UR	AMO	22.7	100 m	single	11 days	27 Oct 1998	23	Disc.: LINEAR	MPC · JPL
1	1998 UM1	AMO	23.4	74 m	multiple	1998–2018	19 Nov 2018	65	Disc.: LINEAR Alt.: 2018 RP4	MPC · JPL
1	1998 UH10	MBA-O	17.2	2.0 km	multiple	1998–2019	08 Jan 2019	38	Disc.: Spacewatch	MPC · JPL
–	1998 UG13	MBA-O	18.1	1.3 km	single	9 days	23 Oct 1998	9	Disc.: Spacewatch	MPC · JPL
2	1998 US18	APO	20.9	230 m	multiple	1998–2019	28 Nov 2019	68	Disc.: Spacewatch Potentially hazardous object Alt.: 2019 VC1	MPC · JPL
8	1998 UY24	APO	21.6	170 m	single	10 days	08 Nov 1998	16	Disc.: LINEAR	MPC · JPL
2	1998 UR43	TNO	8.3	103 km	multiple	1998–2017	23 Dec 2017	38	Disc.: Kitt Peak LoUTNOs, plutino, BR-mag: 1.27; taxonomy: BR	MPC · JPL
1	1998 UO46	MBA-I	18.6	570 m	multiple	1998–2020	16 Dec 2020	48	Disc.: Spacewatch	MPC · JPL
0	1998 UX47	MBA-M	17.2	1.1 km	multiple	1998–2019	03 Dec 2019	109	Disc.: Spacewatch Alt.: 2010 JK133, 2013 CB223, 2014 OF315	MPC · JPL
0	1998 UD50	MBA-M	17.24	2.0 km	multiple	1998–2021	30 Nov 2021	127	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1998 UZ50	MBA-M	17.9	1.1 km	multiple	1998–2021	18 Jan 2021	90	Disc.: Spacewatch Alt.: 2005 JT6, 2015 VQ14	MPC · JPL
0	1998 UB51	MBA-I	18.7	540 m	multiple	1998–2020	24 Nov 2020	77	Disc.: Spacewatch	MPC · JPL
0	1998 UC51	MBA-I	18.4	620 m	multiple	1998–2021	08 Jun 2021	77	Disc.: Spacewatch	MPC · JPL
0	1998 UH51	MBA-M	17.84	1.2 km	multiple	1998–2024	07 Dec 2024	41	Disc.: Spacewatch	MPC · JPL
0	1998 UN51	MBA-I	18.1	660 m	multiple	1998–2024	14 Aug 2024	75	Disc.: Spacewatch	MPC · JPL
2	1998 UO51	MBA-I	19.36	400 m	multiple	1998–2021	08 Dec 2021	36	Disc.: Spacewatch	MPC · JPL
1	1998 US51	MBA-O	17.6	1.7 km	multiple	1998–2020	10 Dec 2020	51	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 UT51	MBA-M	18.2	960 m	multiple	1998–2021	12 Jan 2021	40	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 UU51	MBA-M	18.3	920 m	multiple	1998–2020	10 Dec 2020	45	Disc.: No observations Added on 17 January 2021	MPC · JPL
0	1998 UV51	MBA-I	18.3	650 m	multiple	1998–2021	15 Apr 2021	51	Disc.: DB Missing Added on 17 June 2021	MPC · JPL

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V

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

0	1998 VP	AMO	19.14	550 m	multiple	1998–2023	03 Sep 2023	89	Disc.: LINEAR	MPC · JPL
0	1998 VQ	MCA	19.66	430 m	multiple	1998–2024	10 Dec 2024	88	Disc.: LINEAR Alt.: 2011 VM1	MPC · JPL
1	1998 VS	APO	22.3	120 m	multiple	1998–2019	05 Feb 2019	67	Disc.: LINEAR AMO at MPC	MPC · JPL
2	1998 VE31	APO	20.9	230 m	multiple	1998–2012	02 Dec 2012	98	Disc.: LINEAR	MPC · JPL
0	1998 VD32	APO	22.65	100 m	multiple	1998–2020	25 Nov 2020	135	Disc.: LINEAR Alt.: 2020 SS7	MPC · JPL
0	1998 VP40	MBA-O	16.9	2.7 km	multiple	1998–2021	05 Jan 2021	85	Disc.: Spacewatch Alt.: 2010 EG6	MPC · JPL
0	1998 VE42	MBA-I	17.87	790 m	multiple	1998–2021	30 Oct 2021	74	Disc.: Spacewatch Added on 5 November 2021 Alt.: 2021 LY23	MPC · JPL
0	1998 VF57	MBA-M	18.2	960 m	multiple	1998–2019	29 Oct 2019	56	Disc.: Spacewatch Alt.: 2015 TS391	MPC · JPL
0	1998 VM57	MBA-M	17.9	1.1 km	multiple	1998–2019	05 Sep 2019	38	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL

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W

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

7	1998 WY1	AMO	21.9	150 m	single	12 days	28 Nov 1998	30	Disc.: LINEAR	MPC · JPL
0	1998 WA2	AMO	19.8	390 m	multiple	1998–2021	07 Jan 2021	214	Disc.: LINEAR Alt.: 2020 PE	MPC · JPL
0	1998 WB2	APO	21.86	150 m	multiple	1998–2023	15 Oct 2023	225	Disc.: LINEAR Potentially hazardous object Alt.: 2010 GJ7	MPC · JPL
2	1998 WL4	APO	19.5	450 m	multiple	1998–2019	30 Nov 2019	83	Disc.: Spacewatch	MPC · JPL
0	1998 WR5	AMO	18.76	540 m	multiple	1998-2023	06 Dec 2023	68	Disc.: LINEAR	MPC · JPL
2	1998 WS5	MCA	18.6	570 m	multiple	1990–2002	23 Nov 2002	76	Disc.: LINEAR	MPC · JPL
3	1998 WU24	CEN	15.0	6.0 km	single	87 days	20 Feb 1999	62	Disc.: LINEAR , BR-mag: 1.31 MCA at MPC	MPC · JPL
3	1998 WV24	TNO	7.4	104 km	multiple	1998–2020	14 Nov 2020	26	Disc.: Kitt Peak LoUTNOs, other TNO, BR-mag: 1.27; taxonomy: BR; binary: 91 km	MPC · JPL
2	1998 WX24	TNO	6.7	152 km	multiple	1998–2018	09 Dec 2018	35	Disc.: Kitt Peak LoUTNOs, cubewano (cold), BR-mag: 1.79; taxonomy: RR	MPC · JPL
E	1998 WZ24	TNO	8.1	113 km	single	65 days	22 Jan 1999	6	Disc.: Kitt Peak LoUTNOs, plutino?	MPC · JPL
0	1998 WN26	MBA-O	16.7	2.5 km	multiple	1998–2021	08 Jan 2021	106	Disc.: Spacewatch	MPC · JPL
0	1998 WY27	MBA-M	18.1	1.0 km	multiple	1998–2021	07 Jan 2021	38	Disc.: Spacewatch Alt.: 2011 WP60	MPC · JPL
0	1998 WR29	MBA-M	17.0	2.2 km	multiple	1998–2021	30 Nov 2021	73	Disc.: Spacewatch Added on 24 December 2021	MPC · JPL
3	1998 WS31	TNO	8.26	105 km	multiple	1998–2021	11 Jan 2021	33	Disc.: Kitt Peak LoUTNOs, plutino, BR-mag: 1.32; taxonomy: IR-BR	MPC · JPL
2	1998 WV31	TNO	7.5	150 km	multiple	1998–2017	20 Dec 2017	28	Disc.: Kitt Peak LoUTNOs, plutino, BR-mag: 1.31; taxonomy: BR	MPC · JPL
2	1998 WW31	TNO	6.7	148 km	multiple	1998–2019	26 Oct 2019	38	Disc.: Kitt Peak LoUTNOs, cubewano (hot), albedo: 0.054; binary: 123 km	MPC · JPL
5	1998 WY31	TNO	6.98	132 km	multiple	1998–2023	29 Feb 2023	29	Disc.: Kitt Peak LoUTNOs, cubewano (cold)	MPC · JPL
4	1998 WZ31	TNO	8.21	108 km	multiple	1998–2021	01 Dec 2021	29	Disc.: Kitt Peak LoUTNOs, plutino, BR-mag: 1.26; taxonomy: BB-BR	MPC · JPL
1	1998 WW39	MBA-I	18.7	540 m	multiple	1998–2019	28 Nov 2019	60	Disc.: Spacewatch Alt.: 2017 BK116	MPC · JPL
0	1998 WY42	MBA-O	17.1	2.1 km	multiple	1998–2020	11 Dec 2020	74	Disc.: Spacewatch	MPC · JPL
0	1998 WC43	MBA-O	17.2	2.0 km	multiple	1998–2020	14 Nov 2020	40	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2014 SC50	MPC · JPL
0	1998 WD43	JT	14.84	6.0 km	multiple	1998–2021	30 Nov 2021	94	Disc.: Spacewatch Added on 17 January 2021 Greek camp (L4) Alt.: 2020 RE30	MPC · JPL
2	1998 WJ44	MBA-M	18.95	480 m	multiple	1998–2023	12 Oct 2023	39	Disc.: La Palma Obs. Added on 22 July 2020	MPC · JPL
E	1998 WK44	JT	14.5	7.0 km	single	5 days	22 Nov 1998	9	Disc.: La Palma Obs. Greek camp (L4)	MPC · JPL
0	1998 WT44	MBA-M	16.90	1.2 km	multiple	1998–2021	13 Jul 2021	200	Disc.: La Palma Obs. Alt.: 2008 JF3, 2017 OX9	MPC · JPL
0	1998 WV44	MBA-M	17.40	1.8 km	multiple	1998–2022	07 Jan 2022	130	Disc.: La Palma Obs. Alt.: 2015 PX177	MPC · JPL
0	1998 WA45	MBA-M	17.00	1.7 km	multiple	1998–2021	17 Apr 2021	143	Disc.: La Palma Obs.	MPC · JPL
0	1998 WF45	MBA-I	18.5	590 m	multiple	1998–2021	18 Jan 2021	52	Disc.: La Palma Obs. Added on 24 August 2020	MPC · JPL
1	1998 WL45	MBA-I	18.4	620 m	multiple	1998–2021	09 Apr 2021	38	Disc.: La Palma Obs. Added on 30 September 2021	MPC · JPL
2	1998 WH46	MBA-M	18.4	620 m	multiple	1998–2018	08 Aug 2018	23	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 WJ46	MBA-I	18.51	590 m	multiple	1998–2021	30 Nov 2021	125	Disc.: Spacewatch Added on 5 November 2021	MPC · JPL
0	1998 WL46	MBA-M	17.63	1.7 km	multiple	1998–2021	27 Nov 2021	99	Disc.: Spacewatch	MPC · JPL
0	1998 WO46	MBA-I	18.98	480 m	multiple	1998–2022	06 Jan 2022	58	Disc.: Spacewatch	MPC · JPL
0	1998 WR46	MBA-I	18.9	490 m	multiple	1998–2018	15 Oct 2018	49	Disc.: Spacewatch	MPC · JPL
0	1998 WU46	HUN	19.03	460 m	multiple	1998–2021	15 Sep 2021	48	Disc.: Spacewatch	MPC · JPL
1	1998 WW46	MBA-I	18.7	540 m	multiple	1998–2021	04 Jan 2021	60	Disc.: Spacewatch	MPC · JPL

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X

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

1	1998 XD9	MCA	17.8	820 m	multiple	1998–2020	21 May 2020	158	Disc.: LINEAR	MPC · JPL
9	1998 XD12	APO	20.96	260 m	single	10 days	24 Dec 1998	60	Disc.: LINEAR Potentially hazardous object	MPC · JPL
4	1998 XN17	ATE	22.8	98 m	multiple	1998–2004	24 Mar 2004	36	Disc.: LINEAR	MPC · JPL
0	1998 XT18	MBA-I	18.11	710 m	multiple	1998–2021	18 Mar 2021	34	Disc.: Spacewatch Added on 24 December 2021	MPC · JPL

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Y

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

0	1998 YG10	MCA	19.14	430 m	multiple	1998-2024	19 Jan 2024	51	Disc.: Spacewatch	MPC · JPL
0	1998 YO21	MBA-M	17.77	1.2 km	multiple	1998–2023	17 Sep 2023	94	Disc.: Spacewatch	MPC · JPL
1	1998 YV27	MBA-I	19.2	430 m	multiple	1998–2020	11 Oct 2020	43	Disc.: La Palma Obs. Added on 9 March 2021 Alt.: 2020 QU11	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.
^ "List Of Jupiter Trojans". Minor Planet Center. 26 January 2021. 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.

[MPC-JupiterTrojans-4] "List Of Jupiter Trojans". Minor Planet Center. 26 January 2021. Retrieved 31 January 2022.

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