List of unnumbered minor planets

The following is a list of unnumbered minor planets in chronological order of their principal provisional designation. Contrary to their numbered counterparts, unnumbered minor planets have a poorly determined orbit due to insufficient observational data. This also includes lost minor planets which have not been observed for many years, or even decades. As of January 2021, the Minor Planet Center (MPC) accounts for 498,491 unnumbered minor planets which represent 48% of the overall minor planet population.[1][lower-alpha 1] Unnumbered minor planets can be further divided into 96,384 single-opposition objects with short observation arcs, prone to mismatch and loss, and 402,107 objects that have been observed multiple times during opposition, when astrometric conditions are most favorable.[1] The JPL Small-Body Database gives a running total of 497,883 unnumbered minor planets.[2]

Breakdown of 1,049,697 small bodies of the Solar System:[1][lower-alpha 1]   96,384 single-opposition MPs   402,107 multiple-opposition MPs   546,846 numbered MPs   4,360 comets

The tables below contain 105 objects with a principal designation assigned between 1927 and 1993. Additional partial lists cover the period from 1994 to 2004.[lower-alpha 1] Unnumbered minor planets detected after 2004 are not listed due to their large number (see statistics). The orbital uncertainty parameter (U) ranges from low ("0") to very high ("9"). For some single-opposition objects no numeric uncertainty is given ("–" and "E"), latter indicating an estimated, rather than determined orbital eccentricity. Furthermore, a color code is used to indicate a body's basic dynamical classification, with additional information given in columns "class" and "description and notes" (especially for near-Earth objects, Jupiter trojans and distant objects).[1][3][4] If available, mean diameters are taken from the latest NEOWISE publication,[5] or, if not available, estimated based on an object's absolute magnitude and displayed in italics.[6]

In the Minor Planet Circular from July 2018, the MPC announced that changes in their data processing pipeline will enable numberings to occur more frequently. It is stated that the new method will clear the backlog of unnumbered minor planets with an already well-established orbit without changing the criteria for numbering. Previously, this was not possible because of the difficulty of determining who was the discoverer.[7] Despite this announcement, however, the total of unnumbered minor planets has since significantly increased rather than decreased.

Statistics

10,000

20,000

30,000

40,000

50,000

60,000

70,000

1995

2000

2005

2010

2015

2020

Unnumbered minor planets (uMPs) by year of principal designation. As of 17 January 2021 the MPC's orbit database contains 498,491 uMPs. Objects observed on a single opposition (total of 96,384) are displayed with a lighter color than multi-opposition objects (total of 402,107).[1][lower-alpha 1]

  Until 2004: 35,702 uMPs (7%) are listed on this and other partial pages

  Since 2005: 462,787 uMPs (93%) are not listed

1900–1959 · 1960–1969 · 1970–1979 · 1980–1989 · 1990–1993 · 1994 · 1995 · 1996 · 1997 · 1998 · 1999 A–R · 1999 S–T · 1999 U–Y · 2000 A–E · 2000 F–O · 2000 P–R · 2000 S–T · 2000 U–Y · 2001 A–E · 2001 F (i) · 2001 F (ii) · 2001 G–O · 2001 P–R · 2001 S · 2001 T · 2001 U · 2001 V–W · 2001 X–Y · 2002 A–B · 2002 C · 2002 D–F · 2002 G–K · 2002 L–O · 2002 P · 2002 Q (i) · 2002 Q (ii) · 2002 R (i) · 2002 R (ii) · 2002 S · 2002 T (i)

 · 2002 T (ii) · 2002 U–V · 2002 W–Y · 2003 A–E · 2003 F–G · 2003 H–L · 2003 M–R · 2003 S (i) · 2003 S (ii) · 2003 S (iii) · 2003 S (iv) · 2003 T · 2003 U (i) · 2003 U (ii) · 2003 U (iii) · 2003 U (iv) · 2003 V · 2003 W (i) · 2003 W (ii) · 2003 X–Y · 2004 A–B · 2004 C · 2004 D–E · 2004 F · 2004 G–H · 2004 J–O · 2004 P–Q · 2004 R (i) · 2004 R (ii) · 2004 R (iii) · 2004 S · 2004 T (i) · 2004 T (ii) · 2004 T (iii) · 2004 T (iv) · 2004 U–V · 2004 W–X · 2004 Y

Navigation of unnumbered minor planets by year of principal provisional designation until 2004.

1900–1959

U	Designation	Class	Physical		Observations				Description and notes	Ref
			H	D	Opp.	Arc	Last	Used
–	1927 LA	MBA-O	11.0	35 km	single	34 days	05 Jul 1927	3	Disc.: Heidelberg Obs.	MPC · JPL
E	1935 UZ	MCA	—	—	single	4 days	23 Oct 1935	3	Disc.: Uccle Obs.	MPC · JPL
–	1937 CK	MBA-I	—	—	single	32 days	13 Mar 1937	3	Disc.: Uccle Obs.	MPC · JPL
–	1939 RR	MBA-O	12.0	22 km	single	27 days	12 Oct 1939	3	Disc.: Uccle Obs.	MPC · JPL
–	1942 RH	MBA-I	13.8	5.2 km	single	10 days	15 Sep 1942	3	Disc.: Turku Obs.	MPC · JPL

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1960–1969

U	Designation	Class	Physical		Observations				Description and notes	Ref
			H	D	Opp.	Arc	Last	Used
–	4847 P-L	MBA-M	17.4	980 m	single	4 days	28 Sep 1960	7	Disc.: Palomar–Leiden	MPC · JPL
1	6331 P-L	MBA-I	18.5	590 m	multiple	1960–2017	07 Nov 2017	79	Disc.: Palomar–Leiden	MPC · JPL
0	6344 P-L	APO	20.4	300 m	multiple	1960–2008	03 Feb 2008	114	Disc.: Palomar–Leiden Potentially hazardous object	MPC · JPL
E	1960 SB1	MCA	17.4	1.8 km	single	4 days	28 Sep 1960	6	Disc.: Palomar Obs.	MPC · JPL

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1970–1979

U	Designation	Class	Physical		Observations				Description and notes	Ref
			H	D	Opp.	Arc	Last	Used
E	1979 MW5	MBA-O	16.0	3.5 km	single	5 days	29 Jun 1979	3	Disc.: Siding Spring	MPC · JPL
9	1979 XB	APO	18.6	680 m	single	4 days	15 Dec 1979	16	Disc.: Siding Spring Potentially hazardous object	MPC · JPL

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1980–1989

U	Designation	Class	Physical		Observations				Description and notes	Ref
			H	D	Opp.	Arc	Last	Used
–	1981 EG6	MBA-O	17.3	1.9 km	single	38 days	12 Mar 1981	5	Disc.: Siding Spring	MPC · JPL
0	1981 EN35	MBA-I	17.3	1.0 km	multiple	1981–2021	11 Jan 2021	150	Disc.: Siding Spring Alt.: 2014 FN21	MPC · JPL
6	1981 EO47	MBA-M	15.0	3.0 km	single	60 days	01 May 1981	4	Disc.: Siding Spring	MPC · JPL
1	1982 YA	AMO	18.1	850 m	multiple	1982–2017	03 Dec 2017	68	Disc.: Haute-Provence NEO larger than 1 kilometer Alt.: 2003 WE42	MPC · JPL
0	1983 LC	APO	19.3	490 m	multiple	1983–2004	11 Dec 2004	68	Disc.: Palomar Obs. Potentially hazardous object	MPC · JPL
1	1983 QC	MCA	18.1	710 m	multiple	1983–2017	24 Dec 2017	34	Disc.: Palomar Obs. Alt.: 1957 OC1	MPC · JPL
0	1984 QL1	Asteroid	15.6	4.2 km	multiple	1984–2020	23 Dec 2020	166	Disc.: Palomar Obs. MCA at MPC Alt.: 2002 XP102, 2013 JS30	MPC · JPL
–	1986 JE	HUN	18.0	750 m	single	33 days	11 Jun 1986		Disc.: Spacewatch	MPC · JPL
2	1986 NA	AMO	19.8	390 m	multiple	1986–2013	22 Dec 2013	30	Disc.: Palomar Obs. Alt.: 2013 UU3	MPC · JPL
2	1988 NE	AMO	19.1	540 m	multiple	1988–2015	17 Oct 2015	95	Disc.: Palomar Obs.	MPC · JPL
0	1988 PF1	MCA	16.7	2.5 km	multiple	1988–2020	03 Feb 2020	327	Disc.: Palomar Obs. Alt.: 2009 WD77	MPC · JPL
–	1988 RH9	MBA-M	11.1	25 km	single	11 days	12 Sep 1988	15	Disc.: La Silla Obs.	MPC · JPL
1	1989 AZ	APO	19.6	430 m	multiple	1989–2008	09 Feb 2008	121	Disc.: Palomar Obs.	MPC · JPL
E	1989 FR	MBA-O	13.5	11 km	single	2 days	28 Mar 1989	6	Disc.: Kleť Obs.	MPC · JPL

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1990–1993

U	Designation	Class	Physical		Observations				Description and notes	Ref
			H	D	Opp.	Arc	Last	Used
8	1990 UN	APO	23.5	71 m	single	15 days	06 Nov 1990	22	Disc.: Spacewatch	MPC · JPL
3	1991 BA	APO	28.6	7 m	single	0 day	18 Jan 1991	7	Disc.: Spacewatch	MPC · JPL
1	1991 GK	MCA	19.4	390 m	multiple	1991-2020	27 May 2020	130	Disc.: Spacewatch Alt.: 2020 BE6	MPC · JPL
2	1991 GO	APO	20.0	360 m	multiple	1991–2015	03 May 2015	79	Disc.: Kitami Obs. Potentially hazardous object Alt.: 1999 HC	MPC · JPL
7	1991 JR	AMO	23.4	74 m	single	11 days	19 May 1991	20	Disc.: Spacewatch	MPC · JPL
2	1991 RN28	MBA-I	19.2	430 m	multiple	1991–2018	15 Oct 2018	35	Disc.: Spacewatch	MPC · JPL
0	1991 RY42	MBA-O	16.3	3.1 km	multiple	1991–2020	27 Apr 2020	85	Disc.: Spacewatch	MPC · JPL
0	1991 SU3	MBA-M	17.0	1.2 km	multiple	1991–2021	11 Jan 2021	198	Disc.: Spacewatch Alt.: 2017 BL95	MPC · JPL
7	1991 TT	APO	26.0	22 m	single	3 days	09 Oct 1991	8	Disc.: Spacewatch AMO at MPC	MPC · JPL
6	1991 TU	APO	28.4	7 m	single	0 day	07 Oct 1991	4	Disc.: Spacewatch	MPC · JPL
1	1991 TF3	APO	19.2	510 m	multiple	1991–2011	01 Nov 2011	227	Disc.: Palomar Obs.	MPC · JPL
0	1991 TT8	MBA-M	17.2	1.5 km	multiple	1991–2020	20 Apr 2020	88	Disc.: Spacewatch	MPC · JPL
0	1991 TY10	MBA-M	17.2	1.1 km	multiple	1991–2021	14 Jan 2021	100	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2011 PM15	MPC · JPL
0	1991 TK16	MBA-M	17.0	1.2 km	multiple	1991–2021	08 Jan 2021	193	Disc.: Palomar–DSS Alt.: 2016 XN4	MPC · JPL
1	1991 TM16	MCA	17.2	1.1 km	multiple	1991–2021	15 Jan 2021	72	Disc.: Palomar–DSS Added on 22 July 2020 Alt.: 2017 AB3	MPC · JPL
0	1991 TD17	MBA-M	16.9	1.2 km	multiple	1991–2021	10 Jan 2021	205	Disc.: Spacewatch	MPC · JPL
0	1991 TE17	MBA-I	17.8	820 m	multiple	1991–2019	24 Aug 2019	112	Disc.: Spacewatch	MPC · JPL
–	1991 VA	APO	26.5	18 m	single	8 days	09 Nov 1991	13	Disc.: Spacewatch	MPC · JPL
E	1991 VD	HUN	19.5	370 m	single	2 days	06 Nov 1991	9	Disc.: Spacewatch	MPC · JPL
0	1991 VG	APO	28.3	8 m	multiple	1991–2017	01 Jun 2017	66	Disc.: Spacewatch	MPC · JPL
0	1991 VO8	MBA-M	16.9	2.3 km	multiple	1991–2020	20 Jan 2020	87	Disc.: Spacewatch Alt.: 2005 VB112	MPC · JPL
8	1991 XA	APO	23.7	65 m	single	12 days	15 Dec 1991	7	Disc.: Spacewatch	MPC · JPL
1	1991 XB	AMO	18.8	620 m	multiple	1991–2011	24 Jul 2011	38	Disc.: Palomar Obs.	MPC · JPL
7	1992 DU	APO	25.3	31 m	single	3 days	29 Feb 1992	11	Disc.: Spacewatch	MPC · JPL
1	1992 DD1	MCA	18.3	650 m	multiple	1992–2021	16 Jan 2021	88	Disc.: Spacewatch Alt.: 2003 EL1	MPC · JPL
5	1992 JD	APO	25.0	36 m	single	6 days	09 May 1992	23	Disc.: Spacewatch AMO at MPC	MPC · JPL
1	1992 SW	MCA	19.9	310 m	multiple	1992–2019	09 Apr 2019	47	Disc.: Spacewatch	MPC · JPL
–	1992 SX	MCA	20.0	300 m	single	7 days	04 Oct 1992	14	Disc.: Spacewatch	MPC · JPL
5	1992 SZ	AMO	20.1	340 m	single	99 days	29 Nov 1992	26	Disc.: Spacewatch	MPC · JPL
1	1992 SM4	MBA-O	16.4	2.9 km	multiple	1992–2020	21 Apr 2020	71	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2010 EH143, 2015 DM47	MPC · JPL
E	1992 SZ17	MBA-M	13.8	7.3 km	single	4 days	03 Oct 1992	6	Disc.: Palomar Obs.	MPC · JPL
0	1992 SS27	MBA-M	17.2	1.1 km	multiple	1992–2020	18 Jul 2020	106	Disc.: Spacewatch	MPC · JPL
E	1992 TY1	MBA-O	12.8	15 km	single	3 days	05 Oct 1992	5	Disc.: Kitt Peak Obs.	MPC · JPL
–	1992 TZ1	MBA-I	15.5	2.4 km	single	4 days	05 Oct 1992	5	Disc.: Kitt Peak Obs.	MPC · JPL
0	1992 TJ2	MBA-O	16.2	3.2 km	multiple	1992–2019	25 Apr 2019	103	Disc.: Spacewatch	MPC · JPL
0	1992 WP10	MBA-O	15.9	3.7 km	multiple	1992–2021	02 Jan 2021	151	Disc.: Spacewatch	MPC · JPL
0	1992 WQ10	MBA-M	17.8	820 m	multiple	1992–2020	20 May 2020	95	Disc.: Spacewatch	MPC · JPL
1	1992 XA	MBA-O	17.5	1.8 km	multiple	1992–2018	13 Dec 2018	156	Disc.: Spacewatch Alt.: 2005 UG242	MPC · JPL
1	1992 YB3	MCA	18.8	520 m	multiple	1992–2021	06 Jan 2021	83	Disc.: Spacewatch Alt.: 2006 SJ289	MPC · JPL
4	1992 YD3	APO	26.4	19 m	single	0 day	27 Dec 1992	12	Disc.: Spacewatch AMO at MPC	MPC · JPL
7	1993 BD3	AMO	26.2	20 m	single	5 days	31 Jan 1993	14	Disc.: Spacewatch	MPC · JPL
5	1993 BU3	AMO	21.5	180 m	single	33 days	03 Mar 1993	18	Disc.: Spacewatch	MPC · JPL
0	1993 BZ9	MBA-M	17.3	1.5 km	multiple	1993–2020	21 Jun 2020	136	Disc.: Spacewatch Alt.: 2011 FR39, 2015 BQ428	MPC · JPL
2	1993 BC10	MBA-M	18.4	620 m	multiple	1993–2020	16 Sep 2020	51	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1993 BK10	MBA-I	18.4	620 m	multiple	1993–2021	04 Jan 2021	58	Disc.: Spacewatch Alt.: 2006 XR55	MPC · JPL
0	1993 BM10	MBA-O	17.1	2.1 km	multiple	1993–2020	23 Oct 2020	89	Disc.: Spacewatch	MPC · JPL
0	1993 BF12	MBA-I	18.5	590 m	multiple	1993–2019	09 Jan 2019	83	Disc.: Spacewatch	MPC · JPL
0	1993 BC16	JT	13.0	14 km	multiple	1990–2020	21 Jul 2020	208	Disc.: Spacewatch Trojan camp (L5)	MPC · JPL
0	1993 BD16	JT	14.1	8.4 km	multiple	1993–2020	24 Jun 2020	98	Disc.: Spacewatch Trojan camp (L5)	MPC · JPL
6	1993 DA	ATE	26.4	19 m	single	5 days	22 Feb 1993	18	Disc.: Spacewatch	MPC · JPL
7	1993 FA1	APO	25.9	23 m	single	3 days	31 Mar 1993	17	Disc.: Spacewatch AMO at MPC	MPC · JPL
0	1993 FB85	MBA-M	17.4	1.8 km	multiple	1993–2020	27 Apr 2020	48	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2002 GO188	MPC · JPL
0	1993 FE85	MBA-M	17.5	1.8 km	multiple	1993–2020	13 May 2020	63	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1993 HC	APO	20.74	250 m	multiple	1993–2021	13 Jan 2021	44	Disc.: Spacewatch	MPC · JPL
3	1993 HP1	APO	27.1	14 m	single	0 day	27 Apr 1993	27	Disc.: Spacewatch	MPC · JPL
0	1993 HF2	MBA-M	17.5	1.3 km	multiple	1993–2020	26 Sep 2020	56	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
–	1993 KA	APO	26.0	22 m	single	9 days	26 May 1993	21	Disc.: Spacewatch AMO at MPC	MPC · JPL
–	1993 KA2	APO	29.0	6 m	single	1 day	22 May 1993	10	Disc.: Spacewatch	MPC · JPL
1	1993 ME1	MCA	16.8	1.8 km	multiple	1993–2020	10 Dec 2020	136	Disc.: Palomar Obs.	MPC · JPL
–	1993 OT	MCA	19.0	470 m	single	20 days	13 Aug 1993	9	Disc.: Spacewatch	MPC · JPL
–	1993 OM1	MBA-M	17.5	1.3 km	single	20 days	13 Aug 1993	9	Disc.: Spacewatch	MPC · JPL
0	1993 OW5	MBA-M	17.2	1.1 km	multiple	1993–2018	08 Nov 2018	122	Disc.: La Silla Obs.	MPC · JPL
1	1993 OP9	MBA-I	17.7	860 m	multiple	1993–2018	13 Nov 2018	81	Disc.: La Silla Obs. Alt.: 2004 TH237	MPC · JPL
1	1993 PA1	MBA-I	18.7	540 m	multiple	1993–2017	26 Jan 2017	34	Disc.: Spacewatch Alt.: 2009 QA32	MPC · JPL
2	1993 PK1	MBA-I	18.6	570 m	multiple	1993–2019	23 Sep 2019	37	Disc.: Spacewatch	MPC · JPL
E	1993 RP	TNO	9.0	70 km	single	2 days	17 Sep 1993	6	Disc.: Mauna Kea Obs. LoUTNOs, plutino?	MPC · JPL
0	1993 RG21	MBA-O	15.8	3.9 km	multiple	1993–2020	22 Oct 2020	122	Disc.: Spacewatch	MPC · JPL
0	1993 SZ16	MBA-O	16.2	3.2 km	multiple	1993–2019	09 Apr 2019	78	Disc.: Spacewatch	MPC · JPL
1	1993 TZ	APO	26.0	22 m	multiple	1993–2016	14 Oct 2016	34	Disc.: Spacewatch	MPC · JPL
–	1993 TR2	MCA	20.4	350 m	single	12 days	24 Oct 1993	15	Disc.: Spacewatch	MPC · JPL
2	1993 TQ4	MBA-I	17.9	780 m	multiple	1993–2020	15 May 2020	39	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1993 TL6	MBA-I	18.1	710 m	multiple	1993–2020	18 Oct 2020	75	Disc.: Spacewatch Alt.: 2005 YB104	MPC · JPL
0	1993 TC11	MBA-M	19.3	410 m	multiple	1993–2019	07 Jan 2019	43	Disc.: Spacewatch	MPC · JPL
–	1993 TS35	MBA-M	16.5	2.1 km	single	11 days	20 Oct 1993	12	Disc.: La Silla Obs.	MPC · JPL
6	1993 UA	APO	25.4	30 m	single	3 days	24 Oct 1993	15	Disc.: Spacewatch	MPC · JPL
2	1993 UD	AMO	20.0	360 m	multiple	1993–2020	01 Mar 2020	68	Disc.: Spacewatch	MPC · JPL
0	1993 UH10	MBA-M	17.0	2.2 km	multiple	1993–2019	09 Apr 2019	88	Disc.: Spacewatch	MPC · JPL
1	1993 VC	MCA	20.5	440 m	multiple	1993–2007	11 Nov 2007	34	Disc.: Spacewatch	MPC · JPL
1	1993 VD6	MBA-I	18.3	650 m	multiple	1993–2021	09 Jan 2021	60	Disc.: Spacewatch	MPC · JPL
0	1993 VG6	MBA-O	16.6	2.7 km	multiple	1993–2020	24 Dec 2020	90	Disc.: Spacewatch	MPC · JPL
0	1993 VQ6	MBA-O	16.8	2.4 km	multiple	1993–2020	16 Sep 2020	54	Alt.: 2015 RE311	MPC · JPL
–	1993 VT6	MBA-M	17.2	1.1 km	single	17 days	10 Nov 1993	9	Disc.: Spacewatch	MPC · JPL
0	1993 WG	MBA-M	17.7	1.2 km	multiple	1993–2020	22 Mar 2020	92	Disc.: Spacewatch Alt.: 2010 TZ5	MPC · JPL
0	1993 XN3	MBA-I	17.9	780 m	multiple	1993–2020	19 Apr 2020	107	Disc.: Spacewatch	MPC · JPL

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1994–2004

• List of unnumbered minor planets: 1994
• List of unnumbered minor planets: 1995
• List of unnumbered minor planets: 1996
• List of unnumbered minor planets: 1997
• List of unnumbered minor planets: 1998
• List of unnumbered minor planets: 1999 A–R
• List of unnumbered minor planets: 1999 S–T
• List of unnumbered minor planets: 1999 U–Y
• List of unnumbered minor planets: 2000 A–E
• List of unnumbered minor planets: 2000 F–O
• List of unnumbered minor planets: 2000 P–R
• List of unnumbered minor planets: 2000 S–T
• List of unnumbered minor planets: 2000 U–Y

2001

• List of unnumbered minor planets: 2001 A–E
• List of unnumbered minor planets: 2001 F (0–216)
• List of unnumbered minor planets: 2001 F (217–619)
• List of unnumbered minor planets: 2001 G–O
• List of unnumbered minor planets: 2001 P–R
• List of unnumbered minor planets: 2001 S
• List of unnumbered minor planets: 2001 T
• List of unnumbered minor planets: 2001 U
• List of unnumbered minor planets: 2001 V–W
• List of unnumbered minor planets: 2001 X–Y

2002

• List of unnumbered minor planets: 2002 A–B
• List of unnumbered minor planets: 2002 C
• List of unnumbered minor planets: 2002 D–F
• List of unnumbered minor planets: 2002 G–K
• List of unnumbered minor planets: 2002 L–O
• List of unnumbered minor planets: 2002 P
• List of unnumbered minor planets: 2002 Q (0–119)
• List of unnumbered minor planets: 2002 Q (120–619)
• List of unnumbered minor planets: 2002 R (0–262)
• List of unnumbered minor planets: 2002 R (263–619)
• List of unnumbered minor planets: 2002 S
• List of unnumbered minor planets: 2002 T (0–319)
• List of unnumbered minor planets: 2002 T (320–619)
• List of unnumbered minor planets: 2002 U–V
• List of unnumbered minor planets: 2002 W–Y

2003

• List of unnumbered minor planets: 2003 A–E
• List of unnumbered minor planets: 2003 F–G
• List of unnumbered minor planets: 2003 H–L
• List of unnumbered minor planets: 2003 M–R
• List of unnumbered minor planets: 2003 S (0–269)
• List of unnumbered minor planets: 2003 S (270–389)
• List of unnumbered minor planets: 2003 S (390–442)
• List of unnumbered minor planets: 2003 S (443–619)
• List of unnumbered minor planets: 2003 T
• List of unnumbered minor planets: 2003 U (0–289)
• List of unnumbered minor planets: 2003 U (290–379)
• List of unnumbered minor planets: 2003 U (380–429)
• List of unnumbered minor planets: 2003 U (430–619)
• List of unnumbered minor planets: 2003 V
• List of unnumbered minor planets: 2003 W (0–199)
• List of unnumbered minor planets: 2003 W (200–619)
• List of unnumbered minor planets: 2003 X–Y

2004

• List of unnumbered minor planets: 2004 A–B
• List of unnumbered minor planets: 2004 C
• List of unnumbered minor planets: 2004 D–E
• List of unnumbered minor planets: 2004 F
• List of unnumbered minor planets: 2004 G–H
• List of unnumbered minor planets: 2004 J–O
• List of unnumbered minor planets: 2004 P–Q
• List of unnumbered minor planets: 2004 R (0–199)
• List of unnumbered minor planets: 2004 R (200–299)
• List of unnumbered minor planets: 2004 R (300–619)
• List of unnumbered minor planets: 2004 S
• List of unnumbered minor planets: 2004 T (0–99)
• List of unnumbered minor planets: 2004 T (100–199)
• List of unnumbered minor planets: 2004 T (200–299)
• List of unnumbered minor planets: 2004 T (300–619)
• List of unnumbered minor planets: 2004 U–V
• List of unnumbered minor planets: 2004 W–X
• List of unnumbered minor planets: 2004 Y

2005–present

The year of principal provisional designation for most unnumbered minor planets is younger than 2004 (see § Statistics). They are not listed in any of the partial lists due to their large number and frequent changes. New partial lists may be created in the future, as additional observations ultimately lead to new numberings and to fewer unnumbered bodies.

See also

• Lists of astronomical objects
• List of unnumbered trans-Neptunian objects

Notes

1. The data for this and other partial lists is sourced from the Minor Planet Center's orbit-database file (MPCORB.DAT). The number of entries typically differs from the summary figures published on the JPL and MPC web pages, as they may lag behind days, weeks, or even months. This includes MPC's "Latest Published Data" and "Archive Statistics – Orbits And Names".[lower-alpha 2][lower-alpha 3]

References

1. "Data Available from the Minor Planet Center – MPCORB.DAT". Minor Planet Center. 17 January 2021. Retrieved 20 January 2021. (doc)
2. "How Many Solar System Bodies". Jet Propulsion Laboratory – Small-Body Database. Retrieved 20 January 2021.
3. "List Of Jupiter Trojans". Minor Planet Center. 8 December 2020. Retrieved 20 January 2021.
4. Johnston, Wm. Robert (18 August 2020). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 20 January 2021.
5. "NEOWISE Diameters and Albedos – V2.0". PDS Small Bodies Node. 2019. Retrieved 20 January 2021.
6. "Asteroid Size Estimator". CNEOS NASA/JPL. Retrieved 20 January 2021.
7. "Minor Planet Circular (MPC 110641-111804) – Editorial Notice" (PDF). Minor Planet Center. 25 September 2018. Retrieved 22 February 2019.
8. "Latest Published Data". Minor Planet Center. 24 September 2020. Retrieved 20 January 2021.
9. "MPC Archive Statistics – Orbits And Names". Minor Planet Center. 18 May 2019. Retrieved 20 January 2021.