Astronomy:List of unnumbered minor planets

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Breakdown of 963,399 small bodies of the Solar System:[1][2]
  98,031 single-opposition MPs
  315,294 multiple-opposition MPs
  546,077 numbered MPs
  4,173 comets

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 June 2020, the Minor Planet Center (MPC) accounts for 413,149 unnumbered minor planets which represent 413149% of the overall minor planet population.[1] Unnumbered minor planets can be further divided into 98,031 single-opposition objects with short observation arcs, prone to mismatch and loss, and 315,294 objects that have been observed multiple times during opposition, when astrometric conditions are most favorable.[2][3] The JPL Small-Body Database gives a running total of 412,889 unnumbered minor planets.[4]

The tables below contain 107 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).[2][5][6] If available, mean diameters are taken from the latest NEOWISE publication,[7] or, if not available, estimated based on an object's absolute magnitude and displayed in italics.[8]

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.[9] Despite this announcement, however, the total of unnumbered minor planets has since Template:Oldid2 rather than decreased.

Statistics

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Unnumbered minor planets (uMPs) by year of principal designation. As of June 2020, the MPC's orbit database contains 413,313 uMPs:[2][lower-alpha 1] Objects observed on a single opposition are displayed with a lighter color than multi-opposition objects.
  Until 2004: 33,436 uMPs (8%) are listed on this and other partial pages
  Since 2005: 379,877 uMPs (92%) are not listed

1900–1959

|- id="1927 LA" bgcolor=#d6d6d6 | – || align=left style="padding-left: 20px;" | 1927 LA || MBA-O || 11.0 || | 35 km || single || 34 days || 05 Jul 1927 || 3 || align=left | First obs.: Heidelberg Obs.
Oldest lost asteroid: May be (495079) 2011 HE57[citation needed] || MPC · JPL |- id="1935 UZ" bgcolor=#FA8072 | E || align=left style="padding-left: 20px;" | 1935 UZ || MCA || — || — || single || 4 days || 23 Oct 1935 || 3 || align=left | First obs.: Uccle Obs. || MPC · JPL |- id="1937 CK" bgcolor=#fefefe | – || align=left style="padding-left: 20px;" | 1937 CK || MBA-I || — || — || single || 32 days || 13 Mar 1937 || 3 || align=left | First obs.: Uccle Obs. || MPC · JPL |- id="1939 RR" bgcolor=#d6d6d6 | – || align=left style="padding-left: 20px;" | 1939 RR || MBA-O || 12.0 || | 22 km || single || 27 days || 12 Oct 1939 || 3 || align=left | First obs.: Uccle Obs. || MPC · JPL |- id="1942 RH" bgcolor=#fefefe | – || align=left style="padding-left: 20px;" | 1942 RH || MBA-I || 13.8 || | 5.2 km || single || 10 days || 15 Sep 1942 || 3 || align=left | First obs.: Turku Obs. || MPC · JPL |}

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1960–1969

|- id="2181 P-L" bgcolor=#d6d6d6 | – || align=left style="padding-left: 20px;" | 2181 P-L || MBA-O || 15.7 || | 4.0 km || single || 5 days || 29 Sep 1960 || 7 || align=left | First obs.: Palomar–Leiden || MPC · JPL |- id="4198 P-L" bgcolor=#FA8072 | – || align=left style="padding-left: 20px;" | 4198 P-L || MCA || 18.1 || data-sort-value="0.71" | 710 m || single || 4 days || 28 Sep 1960 || 8 || align=left | First obs.: Palomar–Leiden || MPC · JPL |- id="4532 P-L" bgcolor=#fefefe | – || align=left style="padding-left: 20px;" | 4532 P-L || MBA-I || 17.8 || data-sort-value="0.82" | 820 m || single || 4 days || 28 Sep 1960 || 5 || align=left | First obs.: Palomar–Leiden || MPC · JPL |- id="4717 P-L" bgcolor=#d6d6d6 | – || align=left style="padding-left: 20px;" | 4717 P-L || MBA-O || 16.8 || | 2.4 km || single || 4 days || 28 Sep 1960 || 10 || align=left | First obs.: Palomar–Leiden || MPC · JPL |- id="4847 P-L" bgcolor=#E9E9E9 | – || align=left style="padding-left: 20px;" | 4847 P-L || MBA-M || 17.4 || data-sort-value="0.98" | 980 m || single || 4 days || 28 Sep 1960 || 7 || align=left | First obs.: Palomar–Leiden || MPC · JPL |- id="6013 P-L" bgcolor=#fefefe | – || align=left style="padding-left: 20px;" | 6013 P-L || MBA-I || 17.1 || | 1.1 km || single || 4 days || 28 Sep 1960 || 6 || align=left | First obs.: Palomar–Leiden || MPC · JPL |- id="6331 P-L" bgcolor=#fefefe | 1 || align=left style="padding-left: 20px;" | 6331 P-L || MBA-I || 18.5 || data-sort-value="0.59" | 590 m || multiple || 1960–2017 || 07 Nov 2017 || 79 || align=left | First obs.: Palomar–Leiden || MPC · JPL |- id="6344 P-L" bgcolor=#FFC2E0 | 0 || align=left style="padding-left: 20px;" | 6344 P-L || APO || 20.4 || data-sort-value="0.30" | 300 m || multiple || 1960–2008 || 03 Feb 2008 || 114 || align=left | First obs.: Palomar–Leiden
Potentially hazardous object || MPC · JPL |- id="1960 SB1" bgcolor=#FA8072 | E || align=left style="padding-left: 20px;" | 1960 SB1 || MCA || 17.4 || | 1.8 km || single || 4 days || 28 Sep 1960 || 6 || align=left | First obs.: Palomar Obs. || MPC · JPL |}

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1970–1979

|- id="2060 T-2" bgcolor=#fefefe | – || align=left style="padding-left: 20px;" | 2060 T-2 || MBA-I || 18.1 || data-sort-value="0.71" | 710 m || single || 5 days || 04 Oct 1973 || 6 || align=left | First obs.: Palomar–Leiden || MPC · JPL |- id="2678 T-3" bgcolor=#fefefe | – || align=left style="padding-left: 20px;" | 2678 T-3 || MBA-I || 18.1 || data-sort-value="0.71" | 710 m || single || 10 days || 17 Oct 1977 || 13 || align=left | First obs.: Palomar–Leiden || MPC · JPL |- id="1979 MW5" bgcolor=#d6d6d6 | E || align=left style="padding-left: 20px;" | 1979 MW5 || MBA-O || 16.0 || | 3.5 km || single || 5 days || 29 Jun 1979 || 3 || align=left | First obs.: Siding Spring || MPC · JPL |- id="1979 XB" bgcolor=#FFC2E0 | 9 || align=left style="padding-left: 20px;" | 1979 XB || APO || 18.6 || data-sort-value="0.68" | 680 m || single || 4 days || 15 Dec 1979 || 16 || align=left | First obs.: Siding Spring
Potentially hazardous object || MPC · JPL |}

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1980–1989

|- id="1981 EG6" bgcolor=#d6d6d6 | – || align=left style="padding-left: 20px;" | 1981 EG6 || MBA-O || 17.3 || | 1.9 km || single || 38 days || 12 Mar 1981 || 5 || align=left | First obs.: Siding Spring || MPC · JPL |- id="1981 EN35" bgcolor=#fefefe | 0 || align=left style="padding-left: 20px;" | 1981 EN35 || MBA-I || 17.3 || | 1.0 km || multiple || 1981–2019 || 26 Oct 2019 || 138 || align=left | First obs.: Siding Spring
Alternatively: 2014 FN21 || MPC · JPL |- id="1981 EO47" bgcolor=#E9E9E9 | 6 || align=left style="padding-left: 20px;" | 1981 EO47 || MBA-M || 15.0 || | 3.0 km || single || 60 days || 01 May 1981 || 4 || align=left | First obs.: Siding Spring || MPC · JPL |- id="1982 YA" bgcolor=#FFC2E0 | 1 || align=left style="padding-left: 20px;" | 1982 YA || AMO || 18.1 || data-sort-value="0.85" | 850 m || multiple || 1982–2017 || 03 Dec 2017 || 68 || align=left | First obs.: Haute-Provence
NEO larger than 1 kilometer
Alternatively: 2003 WE42 || MPC · JPL |- id="1983 LC" bgcolor=#FFC2E0 | 0 || align=left style="padding-left: 20px;" | 1983 LC || APO || 19.3 || data-sort-value="0.49" | 490 m || multiple || 1983–2004 || 11 Dec 2004 || 68 || align=left | First obs.: Palomar Obs.
Potentially hazardous object || MPC · JPL |- id="1983 QC" bgcolor=#FA8072 | 1 || align=left style="padding-left: 20px;" | 1983 QC || MCA || 18.1 || data-sort-value="0.71" | 710 m || multiple || 1983–2017 || 24 Dec 2017 || 34 || align=left | First obs.: Palomar Obs. || MPC · JPL |- id="1984 QL1" bgcolor=#FFE699 | 0 || align=left style="padding-left: 20px;" | 1984 QL1 || undefined || 15.6 || | 4.2 km || multiple || 1984–2019 || 29 Jun 2019 || 150 || align=left | First obs.: Palomar Obs.
MCA at MPC
Alternatively: 2002 XP102, 2013 JS30 || MPC · JPL |- id="1986 JE" bgcolor=#fefefe | – || align=left style="padding-left: 20px;" | 1986 JE || HUN || 18.0 || data-sort-value="0.75" | 750 m || single || 33 days || 11 Jun 1986 || || align=left | First obs.: Spacewatch || MPC · JPL |- id="1986 NA" bgcolor=#FFC2E0 | 2 || align=left style="padding-left: 20px;" | 1986 NA || AMO || 19.8 || data-sort-value="0.39" | 390 m || multiple || 1986–2013 || 22 Dec 2013 || 30 || align=left | First obs.: Palomar Obs.
Alternatively: 2013 UU3 || MPC · JPL |- id="1988 NE" bgcolor=#FFC2E0 | 2 || align=left style="padding-left: 20px;" | 1988 NE || AMO || 19.1 || data-sort-value="0.54" | 540 m || multiple || 1988–2015 || 17 Oct 2015 || 95 || align=left | First obs.: Palomar Obs. || MPC · JPL |- id="1988 PF1" bgcolor=#FA8072 | 0 || align=left style="padding-left: 20px;" | 1988 PF1 || MCA || 16.7 || | 2.5 km || multiple || 1988–2020 || 03 Feb 2020 || 327 || align=left | First obs.: Palomar Obs.
Alternatively: 2009 WD77 || MPC · JPL |- id="1988 RH9" bgcolor=#E9E9E9 | – || align=left style="padding-left: 20px;" | 1988 RH9 || MBA-M || 11.1 || | 25 km || single || 11 days || 12 Sep 1988 || 15 || align=left | First obs.: La Silla Obs. || MPC · JPL |- id="1989 AZ" bgcolor=#FFC2E0 | 1 || align=left style="padding-left: 20px;" | 1989 AZ || APO || 19.6 || data-sort-value="0.43" | 430 m || multiple || 1989–2008 || 09 Feb 2008 || 121 || align=left | First obs.: Palomar Obs. || MPC · JPL |- id="1989 FR" bgcolor=#d6d6d6 | E || align=left style="padding-left: 20px;" | 1989 FR || MBA-O || 13.5 || | 11 km || single || 2 days || 28 Mar 1989 || 6 || align=left | First obs.: Kleť Obs. || MPC · JPL |}

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1990–1993

|- id="1990 UN" bgcolor=#FFC2E0 | 8 || align=left style="padding-left: 20px;" | 1990 UN || APO || 23.5 || data-sort-value="0.071" | 71 m || single || 15 days || 06 Nov 1990 || 22 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 BA" bgcolor=#FFC2E0 | 3 || align=left style="padding-left: 20px;" | 1991 BA || APO || 28.6 || data-sort-value="0.0068" | 7 m || single || 0 day || 18 Jan 1991 || 7 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 GK" bgcolor=#FA8072 | – || align=left style="padding-left: 20px;" | 1991 GK || MCA || 20.0 || data-sort-value="0.30" | 300 m || single || 8 days || 17 Apr 1991 || || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 GO" bgcolor=#FFC2E0 | 2 || align=left style="padding-left: 20px;" | 1991 GO || APO || 20.0 || data-sort-value="0.36" | 360 m || multiple || 1991–2015 || 03 May 2015 || 79 || align=left | First obs.: Kitami Obs.
Potentially hazardous object
Alternatively: 1999 HC || MPC · JPL |- id="1991 JR" bgcolor=#FFC2E0 | 7 || align=left style="padding-left: 20px;" | 1991 JR || AMO || 23.4 || data-sort-value="0.074" | 74 m || single || 11 days || 19 May 1991 || 20 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 RN28" bgcolor=#fefefe | 2 || align=left style="padding-left: 20px;" | 1991 RN28 || MBA-I || 19.2 || data-sort-value="0.43" | 430 m || multiple || 1991–2018 || 15 Oct 2018 || 35 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 RY42" bgcolor=#d6d6d6 | 0 || align=left style="padding-left: 20px;" | 1991 RY42 || MBA-O || 16.3 || | 3.1 km || multiple || 1991–2020 || 27 Apr 2020 || 85 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 SU3" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1991 SU3 || MBA-M || 16.9 || | 1.2 km || multiple || 1991–2018 || 16 May 2018 || 106 || align=left | First obs.: Spacewatch
Alternatively: 2017 BL95 || MPC · JPL |- id="1991 TT" bgcolor=#FFC2E0 | 7 || align=left style="padding-left: 20px;" | 1991 TT || APO || 26.0 || data-sort-value="0.022" | 22 m || single || 3 days || 09 Oct 1991 || 8 || align=left | First obs.: Spacewatch
AMO at MPC || MPC · JPL |- id="1991 TU" bgcolor=#FFC2E0 | 6 || align=left style="padding-left: 20px;" | 1991 TU || APO || 28.4 || data-sort-value="0.0074" | 7 m || single || 0 day || 07 Oct 1991 || 4 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 TF3" bgcolor=#FFC2E0 | 1 || align=left style="padding-left: 20px;" | 1991 TF3 || APO || 19.2 || data-sort-value="0.51" | 510 m || multiple || 1991–2011 || 01 Nov 2011 || 227 || align=left | First obs.: Palomar Obs. || MPC · JPL |- id="1991 TT8" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1991 TT8 || MBA-M || 17.2 || | 1.5 km || multiple || 1991–2020 || 20 Apr 2020 || 88 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 TK16" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1991 TK16 || MBA-M || 17.0 || | 1.2 km || multiple || 1991–2018 || 20 Apr 2018 || 123 || align=left | First obs.: Palomar–DSS
Alternatively: 2016 XN4 || MPC · JPL |- id="1991 TD17" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1991 TD17 || MBA-M || 16.9 || | 1.2 km || multiple || 1991–2019 || 20 Aug 2019 || 113 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 TE17" bgcolor=#fefefe | 0 || align=left style="padding-left: 20px;" | 1991 TE17 || MBA-I || 17.8 || data-sort-value="0.82" | 820 m || multiple || 1991–2019 || 24 Aug 2019 || 112 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 VA" bgcolor=#FFC2E0 | – || align=left style="padding-left: 20px;" | 1991 VA || APO || 26.5 || data-sort-value="0.018" | 18 m || single || 8 days || 09 Nov 1991 || 13 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 VD" bgcolor=#FA8072 | E || align=left style="padding-left: 20px;" | 1991 VD || HUN || 19.5 || data-sort-value="0.37" | 370 m || single || 2 days || 06 Nov 1991 || 9 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 VG" bgcolor=#FFC2E0 | 0 || align=left style="padding-left: 20px;" | 1991 VG || APO || 28.3 || data-sort-value="0.0078" | 8 m || multiple || 1991–2017 || 01 Jun 2017 || 66 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 VO8" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1991 VO8 || MBA-M || 16.9 || | 2.3 km || multiple || 1991–2020 || 20 Jan 2020 || 87 || align=left | First obs.: Spacewatch
Alternatively: 2005 VB112 || MPC · JPL |- id="1991 XA" bgcolor=#FFC2E0 | 8 || align=left style="padding-left: 20px;" | 1991 XA || APO || 23.7 || data-sort-value="0.065" | 65 m || single || 12 days || 15 Dec 1991 || 7 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1991 XB" bgcolor=#FFC2E0 | 1 || align=left style="padding-left: 20px;" | 1991 XB || AMO || 18.8 || data-sort-value="0.62" | 620 m || multiple || 1991–2011 || 24 Jul 2011 || 38 || align=left | First obs.: Palomar Obs. || MPC · JPL |- id="1992 DU" bgcolor=#FFC2E0 | 7 || align=left style="padding-left: 20px;" | 1992 DU || APO || 25.3 || data-sort-value="0.031" | 31 m || single || 3 days || 29 Feb 1992 || 11 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1992 DD1" bgcolor=#FA8072 | 2 || align=left style="padding-left: 20px;" | 1992 DD1 || MCA || 18.3 || data-sort-value="0.65" | 650 m || multiple || 1992–2014 || 06 Apr 2014 || 78 || align=left | First obs.: Spacewatch
Alternatively: 2003 EL1 || MPC · JPL |- id="1992 JD" bgcolor=#FFC2E0 | 5 || align=left style="padding-left: 20px;" | 1992 JD || APO || 25.0 || data-sort-value="0.036" | 36 m || single || 6 days || 09 May 1992 || 23 || align=left | First obs.: Spacewatch
AMO at MPC || MPC · JPL |- id="1992 SW" bgcolor=#FA8072 | 1 || align=left style="padding-left: 20px;" | 1992 SW || MCA || 19.9 || data-sort-value="0.31" | 310 m || multiple || 1992–2019 || 09 Apr 2019 || 47 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1992 SX" bgcolor=#FA8072 | – || align=left style="padding-left: 20px;" | 1992 SX || MCA || 20.0 || data-sort-value="0.30" | 300 m || single || 7 days || 04 Oct 1992 || || align=left | First obs.: Spacewatch || MPC · JPL |- id="1992 SZ" bgcolor=#FFC2E0 | 5 || align=left style="padding-left: 20px;" | 1992 SZ || AMO || 20.1 || data-sort-value="0.34" | 340 m || single || 99 days || 29 Nov 1992 || 26 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1992 SZ17" bgcolor=#E9E9E9 | E || align=left style="padding-left: 20px;" | 1992 SZ17 || MBA-M || 13.8 || | 7.3 km || single || 4 days || 03 Oct 1992 || 6 || align=left | First obs.: Palomar Obs. || MPC · JPL |- id="1992 SS27" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1992 SS27 || MBA-M || 17.2 || | 1.1 km || multiple || 1992–2020 || 21 Jun 2020 || 99 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1992 TY1" bgcolor=#d6d6d6 | E || align=left style="padding-left: 20px;" | 1992 TY1 || MBA-O || 12.8 || | 15 km || single || 3 days || 05 Oct 1992 || 5 || align=left | First obs.: Kitt Peak Obs. || MPC · JPL |- id="1992 TZ1" bgcolor=#fefefe | – || align=left style="padding-left: 20px;" | 1992 TZ1 || MBA-I || 15.5 || | 2.4 km || single || 4 days || 05 Oct 1992 || 5 || align=left | First obs.: Kitt Peak Obs. || MPC · JPL |- id="1992 TJ2" bgcolor=#d6d6d6 | 0 || align=left style="padding-left: 20px;" | 1992 TJ2 || MBA-O || 16.2 || | 3.2 km || multiple || 1992–2019 || 25 Apr 2019 || 103 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1992 WP10" bgcolor=#d6d6d6 | 0 || align=left style="padding-left: 20px;" | 1992 WP10 || MBA-O || 16.0 || | 3.5 km || multiple || 1992–2019 || 06 Jul 2019 || 119 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1992 WQ10" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1992 WQ10 || MBA-M || 17.8 || data-sort-value="0.82" | 820 m || multiple || 1992–2020 || 20 May 2020 || 95 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1992 XA" bgcolor=#d6d6d6 | 1 || align=left style="padding-left: 20px;" | 1992 XA || MBA-O || 17.5 || | 1.8 km || multiple || 1992–2018 || 13 Dec 2018 || 156 || align=left | First obs.: Spacewatch
Alternatively: 2005 UG242 || MPC · JPL |- id="1992 YB3" bgcolor=#FA8072 | 2 || align=left style="padding-left: 20px;" | 1992 YB3 || MCA || 19.0 || data-sort-value="0.47" | 470 m || multiple || 1992–2013 || 23 Nov 2013 || 28 || align=left | First obs.: Spacewatch
Alternatively: 2006 SJ289 || MPC · JPL |- id="1992 YD3" bgcolor=#FFC2E0 | 4 || align=left style="padding-left: 20px;" | 1992 YD3 || APO || 26.4 || data-sort-value="0.019" | 19 m || single || 0 day || 27 Dec 1992 || 12 || align=left | First obs.: Spacewatch
AMO at MPC || MPC · JPL |- id="1993 BD3" bgcolor=#FFC2E0 | 7 || align=left style="padding-left: 20px;" | 1993 BD3 || AMO || 26.2 || data-sort-value="0.020" | 20 m || single || 5 days || 31 Jan 1993 || 14 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 BU3" bgcolor=#FFC2E0 | 5 || align=left style="padding-left: 20px;" | 1993 BU3 || AMO || 21.5 || data-sort-value="0.18" | 180 m || single || 33 days || 03 Mar 1993 || 18 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 BZ9" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1993 BZ9 || MBA-M || 17.3 || | 1.5 km || multiple || 1993–2020 || 21 Jun 2020 || 136 || align=left | First obs.: Spacewatch
Alternatively: 2011 FR39, 2015 BQ428 || MPC · JPL |- id="1993 BK10" bgcolor=#fefefe | – || align=left style="padding-left: 20px;" | 1993 BK10 || MBA-I || 18.5 || data-sort-value="0.59" | 590 m || single || 7 days || 29 Jan 1993 || 9 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 BM10" bgcolor=#d6d6d6 | 0 || align=left style="padding-left: 20px;" | 1993 BM10 || MBA-O || 17.0 || | 2.2 km || multiple || 1993–2019 || 28 Aug 2019 || 77 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 BF12" bgcolor=#fefefe | 0 || align=left style="padding-left: 20px;" | 1993 BF12 || MBA-I || 18.5 || data-sort-value="0.59" | 590 m || multiple || 1993–2019 || 09 Jan 2019 || 83 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 BC16" bgcolor=#C2FFFF | 0 || align=left style="padding-left: 20px;" | 1993 BC16 || JT || 13.0 || | 14 km || multiple || 1993–2020 || 19 Jun 2020 || 200 || align=left | First obs.: Spacewatch
Trojan camp (L5) || MPC · JPL |- id="1993 BD16" bgcolor=#C2FFFF | 0 || align=left style="padding-left: 20px;" | 1993 BD16 || JT || 14.1 || | 8.4 km || multiple || 1993–2020 || 13 May 2020 || 94 || align=left | First obs.: Spacewatch
Trojan camp (L5) || MPC · JPL |- id="1993 DA" bgcolor=#FFC2E0 | 6 || align=left style="padding-left: 20px;" | 1993 DA || ATE || 26.4 || data-sort-value="0.019" | 19 m || single || 5 days || 22 Feb 1993 || 18 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 FA1" bgcolor=#FFC2E0 | 7 || align=left style="padding-left: 20px;" | 1993 FA1 || APO || 25.9 || data-sort-value="0.023" | 23 m || single || 3 days || 31 Mar 1993 || 17 || align=left | First obs.: Spacewatch
AMO at MPC || MPC · JPL |- id="1993 HC" bgcolor=#FFC2E0 | 5 || align=left style="padding-left: 20px;" | 1993 HC || APO || 20.6 || data-sort-value="0.27" | 270 m || single || 38 days || 27 May 1993 || 30 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 HP1" bgcolor=#FFC2E0 | 3 || align=left style="padding-left: 20px;" | 1993 HP1 || APO || 27.1 || data-sort-value="0.014" | 14 m || single || 0 day || 27 Apr 1993 || 27 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 KA" bgcolor=#FFC2E0 | – || align=left style="padding-left: 20px;" | 1993 KA || APO || 26.0 || data-sort-value="0.022" | 22 m || single || 9 days || 26 May 1993 || 21 || align=left | First obs.: Spacewatch
AMO at MPC || MPC · JPL |- id="1993 KA2" bgcolor=#FFC2E0 | – || align=left style="padding-left: 20px;" | 1993 KA2 || APO || 29.0 || data-sort-value="0.0056" | 6 m || single || 1 day || 22 May 1993 || 10 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 ME1" bgcolor=#FA8072 | 1 || align=left style="padding-left: 20px;" | 1993 ME1 || MCA || 16.8 || | 1.8 km || multiple || 1993–2019 || 28 Oct 2019 || 133 || align=left | First obs.: Palomar Obs. || MPC · JPL |- id="1993 OT" bgcolor=#FA8072 | – || align=left style="padding-left: 20px;" | 1993 OT || MCA || 19.0 || data-sort-value="0.47" | 470 m || single || 20 days || 13 Aug 1993 || 9 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 OM1" bgcolor=#E9E9E9 | – || align=left style="padding-left: 20px;" | 1993 OM1 || MBA-M || 17.5 || | 1.3 km || single || 20 days || 13 Aug 1993 || 9 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 OW5" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1993 OW5 || MBA-M || 17.2 || | 1.1 km || multiple || 1993–2018 || 08 Nov 2018 || 122 || align=left | First obs.: La Silla Obs. || MPC · JPL |- id="1993 OP9" bgcolor=#fefefe | 1 || align=left style="padding-left: 20px;" | 1993 OP9 || MBA-I || 17.7 || data-sort-value="0.86" | 860 m || multiple || 1993–2018 || 13 Nov 2018 || 81 || align=left | First obs.: La Silla Obs.
Alternatively: 2004 TH237 || MPC · JPL |- id="1993 PA1" bgcolor=#fefefe | 1 || align=left style="padding-left: 20px;" | 1993 PA1 || MBA-I || 18.7 || data-sort-value="0.54" | 540 m || multiple || 1993–2017 || 26 Jan 2017 || 34 || align=left | First obs.: Spacewatch
Alternatively: 2009 QA32 || MPC · JPL |- id="1993 PK1" bgcolor=#fefefe | 2 || align=left style="padding-left: 20px;" | 1993 PK1 || MBA-I || 18.6 || data-sort-value="0.57" | 570 m || multiple || 1993–2019 || 23 Sep 2019 || 37 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 RP" bgcolor=#C2E0FF | E || align=left style="padding-left: 20px;" | 1993 RP || TNO || 9.0 || 7 7 || single || 2 days || 17 Sep 1993 || 6 || align=left | First obs.: Mauna Kea Obs.
LoUTNOs, plutino? || MPC · JPL |- id="1993 RG21" bgcolor=#d6d6d6 | 0 || align=left style="padding-left: 20px;" | 1993 RG21 || MBA-O || 15.8 || | 3.9 km || multiple || 1993–2019 || 28 Dec 2019 || 119 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 SZ16" bgcolor=#d6d6d6 | 0 || align=left style="padding-left: 20px;" | 1993 SZ16 || MBA-O || 16.2 || | 3.2 km || multiple || 1993–2019 || 09 Apr 2019 || 78 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 TZ" bgcolor=#FFC2E0 | 1 || align=left style="padding-left: 20px;" | 1993 TZ || APO || 26.0 || data-sort-value="0.022" | 22 m || multiple || 1993–2016 || 14 Oct 2016 || 34 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 TR2" bgcolor=#FA8072 | – || align=left style="padding-left: 20px;" | 1993 TR2 || MCA || 20.4 || data-sort-value="0.35" | 350 m || single || 12 days || 24 Oct 1993 || 15 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 TL6" bgcolor=#fefefe | 1 || align=left style="padding-left: 20px;" | 1993 TL6 || MBA-I || 18.0 || data-sort-value="0.75" | 750 m || multiple || 1993–2016 || 10 Sep 2016 || 43 || align=left | First obs.: Spacewatch
Alternatively: 2005 YB104 || MPC · JPL |- id="1993 TC11" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1993 TC11 || MBA-M || 19.3 || data-sort-value="0.41" | 410 m || multiple || 1993–2019 || 07 Jan 2019 || 43 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 TS35" bgcolor=#E9E9E9 | – || align=left style="padding-left: 20px;" | 1993 TS35 || MBA-M || 16.5 || | 2.1 km || single || 11 days || 20 Oct 1993 || || align=left | First obs.: La Silla Obs. || MPC · JPL |- id="1993 UA" bgcolor=#FFC2E0 | 6 || align=left style="padding-left: 20px;" | 1993 UA || APO || 25.4 || data-sort-value="0.030" | 30 m || single || 3 days || 24 Oct 1993 || 15 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 UD" bgcolor=#FFC2E0 | 2 || align=left style="padding-left: 20px;" | 1993 UD || AMO || 20.0 || data-sort-value="0.36" | 360 m || multiple || 1993–2020 || 01 Mar 2020 || 68 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 UH10" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1993 UH10 || MBA-M || 17.0 || | 2.2 km || multiple || 1993–2019 || 09 Apr 2019 || 88 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 VC" bgcolor=#FA8072 | 1 || align=left style="padding-left: 20px;" | 1993 VC || MCA || 20.5 || data-sort-value="0.44" | 440 m || multiple || 1993–2007 || 11 Nov 2007 || 34 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 VD6" bgcolor=#fefefe | 1 || align=left style="padding-left: 20px;" | 1993 VD6 || MBA-I || 18.3 || data-sort-value="0.65" | 650 m || multiple || 1993–2016 || 04 Sep 2016 || 57 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 VG6" bgcolor=#d6d6d6 | 0 || align=left style="padding-left: 20px;" | 1993 VG6 || MBA-O || 16.6 || | 2.7 km || multiple || 1993–2019 || 03 Dec 2019 || 83 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 VT6" bgcolor=#E9E9E9 | – || align=left style="padding-left: 20px;" | 1993 VT6 || MBA-M || 17.2 || | 1.1 km || single || 17 days || 10 Nov 1993 || 9 || align=left | First obs.: Spacewatch || MPC · JPL |- id="1993 WG" bgcolor=#E9E9E9 | 0 || align=left style="padding-left: 20px;" | 1993 WG || MBA-M || 17.7 || | 1.2 km || multiple || 1993–2020 || 22 Mar 2020 || 92 || align=left | First obs.: Spacewatch
Alternatively: 2010 TZ5 || MPC · JPL |- id="1993 XN3" bgcolor=#fefefe | 0 || align=left style="padding-left: 20px;" | 1993 XN3 || MBA-I || 17.9 || data-sort-value="0.78" | 780 m || multiple || 1993–2020 || 19 Apr 2020 || 107 || align=left | First obs.: Spacewatch || MPC · JPL |}

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1994–2004


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

Since 2005, almost 380,000 unnumbered minor planets have been discovered (92% of all the unnumbered ones). They are not part of this list due to their large number and frequent changes (increase of the number of observations, extension of the observations arc and lowering of the uncertainty parameter). New partial lists may be created in the future, as additional observations ultimately lead to new numberings and to fewer unnumbered bodies.

See also

Notes

  1. 1.0 1.1 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.

References

  1. 1.0 1.1 "Latest Published Data". Minor Planet Center. http://minorplanetcenter.net/mpc/summary. Retrieved 6 February 2020. 
  2. 2.0 2.1 2.2 2.3 "Data Available from the Minor Planet Center – MPCORB.DAT". Minor Planet Center. 26 June 2020. https://minorplanetcenter.net/data. Retrieved 28 June 2020.  (doc)
  3. "MPC Archive Statistics – Orbits And Names". Minor Planet Center. 18 May 2019. https://minorplanetcenter.net/iau/lists/ArchiveStatistics.html. Retrieved 6 February 2020. 
  4. "How Many Solar System Bodies". Jet Propulsion Laboratory – Small-Body Database. https://ssd.jpl.nasa.gov/?body_count. Retrieved 10 April 2020. 
  5. "List Of Jupiter Trojans". Minor Planet Center. 15 June 2020. https://minorplanetcenter.net/iau/lists/JupiterTrojans.html. Retrieved 18 July 2020. 
  6. Johnston, Wm. Robert (2019). "List of Known Trans-Neptunian Objects". Johnston's Archive. http://www.johnstonsarchive.net/astro/tnoslist.html. Retrieved 18 July 2020. 
  7. "NEOWISE Diameters and Albedos – V2.0". PDS Small Bodies Node. 2019. https://sbn.psi.edu/pds/resource/neowisediam.html. Retrieved 18 July 2020. 
  8. "Asteroid Size Estimator". CNEOS NASA/JPL. https://cneos.jpl.nasa.gov/tools/ast_size_est.html. Retrieved 18 July 2020. 
  9. "Minor Planet Circular (MPC 110641-111804) – Editorial Notice" (PDF). Minor Planet Center. 25 September 2018. https://www.minorplanetcenter.net/iau/ECS/MPCArchive/2018/MPC_20180925.pdf. Retrieved 22 February 2019.