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List of unnumbered minor planets: 1999 A–R

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This is a partial list of unnumbered minor planets for principal provisional designations assigned between 1 January and 15 September 1999. As of June 2024, a total of 400 bodies remain unnumbered for this period.[1][2][3] Objects for this year are listed on the following pages: A–R · S–T and U–Y. Also see previous and next year.

  Near-Earth obj.     MBA (inner)   MBA (outer)   Centaur
  Mars-crosser   MBA (middle)     Jupiter trojan    Trans-Neptunian obj.
  Unclassified

A

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

B

[edit]
U Designation Class Physical Observations Description and notes Ref
H D Opp. Arc Last Used
6 1999 BO AMO 19.1 540 m single 24 days 09 Feb 1999 58 Disc.: LINEAR MPC · JPL
0 1999 BA32 MBA-I 18.79 520 m multiple 1999–2021 31 Oct 2021 46 Disc.: Spacewatch MPC · JPL
7 1999 BL33 AMO 21.9 150 m single 21 days 07 Feb 1999 17 Disc.: Spacewatch MPC · JPL
0 1999 BT35 MBA-I 18.62 560 m multiple 1999–2021 08 Sep 2021 77 Disc.: Spacewatch MPC · JPL
0 1999 BU35 MBA-I 19.2 430 m multiple 1999–2020 05 Nov 2020 48 Disc.: Spacewatch MPC · JPL

C

[edit]
U Designation Class Physical Observations Description and notes Ref
H D Opp. Arc Last Used
8 1999 CQ2 APO 27.3 12 m single 6 days 13 Feb 1999 16 Disc.: Spacewatch MPC · JPL
5 1999 CS3 MCA 18.7 540 m single 38 days 20 Mar 1999 48 Disc.: LINEAR MPC · JPL
5 1999 CG9 APO 25.2 32 m single 24 days 06 Mar 1999 42 Disc.: LINEAR MPC · JPL
E 1999 CW118 TNO 7.8 95 km single 86 days 07 May 1999 7 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
E 1999 CX118 TNO 7.1 130 km single 62 days 13 Apr 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
3 1999 CY118 TNO 8.67 70 km multiple 1999–2017 03 Mar 2017 37 Disc.: Mauna Kea Obs.
LoUTNOs, SDO		 MPC · JPL
1 1999 CZ118 TNO 7.9 99 km multiple 1999–2016 13 Mar 2016 29 Disc.: Mauna Kea Obs.
LoUTNOs, SDO		 MPC · JPL
E 1999 CA119 TNO 7.7 99 km single 86 days 07 May 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
3 1999 CB119 TNO 7.13 204 km multiple 1999–2022 08 Apr 2022 37 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot), BR-mag: 1.93; taxonomy: RR		 MPC · JPL
2 1999 CC119 TNO 7.2 121 km multiple 1999–2019 05 Apr 2019 31 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 CD119 TNO 7.3 119 km single 62 days 13 Apr 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
2 1999 CH119 TNO 7.1 158 km multiple 1999–2018 15 Mar 2018 24 Disc.: Mauna Kea Obs.
LoUTNOs, other TNO		 MPC · JPL
2 1999 CJ119 TNO 7.4 110 km multiple 1999–2018 18 Mar 2018 33 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold), BR-mag: 2.07		 MPC · JPL
E 1999 CK119 TNO 7.9 90 km single 8 days 19 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
3 1999 CM119 TNO 7.9 87 km multiple 1999–2005 03 Nov 2005 14 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold), BR-mag: 1.78		 MPC · JPL
3 1999 CN119 TNO 8.1 80 km multiple 1999–2018 09 Dec 2018 21 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
0 1999 CD129 MBA-O 17.19 2.0 km multiple 1992–2021 08 May 2021 77 Disc.: Mauna Kea Obs.
Added on 17 January 2021
Alt.: 2018 TM19		 MPC · JPL
0 1999 CZ129 MBA-M 18.18 750 m multiple 1999–2022 26 Dec 2022 171 Disc.: Mauna Kea Obs. MPC · JPL
– 1999 CB130 MBA-O — — single 2 days 08 Feb 1999 6 Disc.: Mauna Kea Obs. MPC · JPL
1 1999 CD130 MBA-I 19.0 470 m multiple 1999-2020 23 May 2020 44 Disc.: Mauna Kea Obs. Alt.: 2020 HM81 MPC · JPL
E 1999 CE130 MBA-O — — single 3 days 09 Feb 1999 8 Disc.: Mauna Kea Obs. MPC · JPL
0 1999 CL130 MBA-I 18.4 620 m multiple 1999–2020 20 Oct 2020 32 Disc.: Mauna Kea Obs. MPC · JPL
0 1999 CS130 MBA-O 17.68 1.6 km multiple 1999–2021 06 Oct 2021 54 Disc.: Mauna Kea Obs.
Added on 22 July 2020		 MPC · JPL
1 1999 CD131 MBA-I 18.9 490 m multiple 1999–2020 14 Aug 2020 55 Disc.: Mauna Kea Obs. MPC · JPL
E 1999 CW131 TNO 7.9 90 km multiple 1999–2000 07 Apr 2000 8 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
E 1999 CY131 TNO 8.1 100 km single 8 days 19 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, other TNO		 MPC · JPL
E 1999 CZ131 TNO 8.1 82 km single 8 days 19 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
E 1999 CA132 TNO 7.4 114 km single 56 days 08 Apr 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
4 1999 CQ133 TNO 6.91 213 km multiple 1999–2021 20 Mar 2021 32 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot), BR-mag: 1.35		 MPC · JPL
E 1999 CR133 TNO 8.1 82 km single 6 days 18 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
0 1999 CU133 MCA 19.09 450 m multiple 1999–2021 05 Jul 2021 51 Disc.: Spacewatch
Added on 22 July 2020		 MPC · JPL
0 1999 CB141 MBA-M 17.9 1.5 km multiple 1999–2021 12 Jan 2021 58 Disc.: Spacewatch
Added on 17 January 2021
Alt.: 2017 CE26		 MPC · JPL
0 1999 CF141 MBA-I 18.1 710 m multiple 1999–2019 25 Jun 2019 82 Disc.: Spacewatch
Alt.: 2015 HT150		 MPC · JPL
0 1999 CE143 MBA-O 17.37 1.9 km multiple 1999–2021 10 May 2021 62 Disc.: Mauna Kea Obs. MPC · JPL
0 1999 CQ144 MBA-I 19.0 470 m multiple 1999–2018 08 Nov 2018 44 Disc.: Mauna Kea Obs.
Alt.: 2011 SQ44		 MPC · JPL
0 1999 CS144 MBA-M 18.0 1.1 km multiple 1999–2020 26 Jan 2020 39 Disc.: Mauna Kea Obs.
Added on 17 January 2021		 MPC · JPL
3 1999 CM153 TNO 7.4 110 km multiple 1999–2015 23 Mar 2015 25 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
9 1999 CN153 TNO 7.70 148 km multiple 1999–2006 02 Mar 2006 19 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
E 1999 CP153 TNO 7.7 99 km multiple 1999–2000 07 Apr 2000 11 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
5 1999 CQ153 TNO 8.0 83 km multiple 1999–2015 20 Mar 2015 14 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 CR153 TNO 8.2 79 km single 31 days 14 Mar 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
E 1999 CS153 TNO 8.1 82 km multiple 1999–2000 07 Apr 2000 10 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
E 1999 CT153 TNO 8.1 82 km single 32 days 15 Mar 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano?		 MPC · JPL
5 1999 CG154 TNO 7.4 110 km multiple 1999–2005 10 Mar 2005 15 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
5 1999 CH154 TNO 7.66 98 km multiple 1999–2015 16 Mar 2015 13 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
2 1999 CL154 MBA-I 18.66 550 m multiple 1999-2024 06 Jul 2024 20 Disc.: Mauna Kea Obs.
Alt.: 2024 KO8		 MPC · JPL
6 1999 CM154 MBA-O 16.7 2.5 km multiple 1999–2020 11 Nov 2020 9 Disc.: Mauna Kea Obs. MPC · JPL
4 1999 CN154 MBA-O 18.75 900 m multiple 1999-2014 04 Mar 2014 17 Disc.: Mauna Kea Obs.
Alt.: 2014 EM304		 MPC · JPL
E 1999 CM155 MBA-O — — single 2 days 08 Feb 1999 6 Disc.: Mauna Kea Obs. MPC · JPL
1 1999 CR155 MCA 17.6 900 m multiple 1999-2021 10 Apr 2021 66 Disc.: LONEOS Alt.: 2010 CV75 MPC · JPL
0 1999 CU156 MBA-O 16.16 3.3 km multiple 1999–2021 09 Apr 2021 93 Disc.: Spacewatch
Alt.: 2010 LS3, 2015 AJ16		 MPC · JPL
3 1999 CK158 TNO 8.3 91 km multiple 1999–2018 18 Feb 2018 19 Disc.: Mauna Kea Obs.
LoUTNOs, other TNO		 MPC · JPL
0 1999 CT158 MBA-O 16.6 2.7 km multiple 1999–2021 04 Jan 2021 64 Disc.: Spacewatch MPC · JPL
0 1999 CP160 MBA-O 16.51 2.8 km multiple 1999–2021 17 Apr 2021 100 Disc.: Spacewatch
Alt.: 2010 KH85		 MPC · JPL

D

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

E

[edit]
U Designation Class Physical Observations Description and notes Ref
H D Opp. Arc Last Used
0 1999 EO3 AMO 19.09 540 m multiple 1999–2021 17 Apr 2021 308 Disc.: Spacewatch MPC · JPL
0 1999 EF5 AMO 19.68 450 m multiple 1999–2019 27 Mar 2019 103 Disc.: LINEAR MPC · JPL
0 1999 ES6 MBA-I 18.79 500 m multiple 1999–2023 09 Oct 2023 51 Disc.: Spacewatch
Alt.: 2021 BS4		 MPC · JPL
0 1999 EU7 MBA-M 17.91 1.1 km multiple 1999–2021 13 Apr 2021 64 Disc.: Spacewatch
Added on 9 March 2021		 MPC · JPL
0 1999 EQ15 MBA-M 16.60 1.4 km multiple 1999–2021 31 Oct 2021 145 Disc.: Spacewatch
Alt.: 2010 BU93		 MPC · JPL

F

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

G

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

H

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

J

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

K

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

L

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

N

[edit]
U Designation Class Physical Observations Description and notes Ref
H D Opp. Arc Last Used
0 1999 NY4 MCA 19.18 470 m multiple 1999–2022 22 Oct 2022 75 Disc.: LINEAR
Alt.: 2012 KR50		 MPC · JPL
0 1999 NZ4 MCA 17.88 1.4 km multiple 1999-2023 12 Jun 2023 157 Disc.: LINEAR MPC · JPL

O

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

P

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

Q

[edit]
U Designation Class Physical Observations Description and notes Ref
H D Opp. Arc Last Used
0 1999 QF1 MBA-M 18.34 960 m multiple 1999–2024 01 May 2024 41 Disc.: Spacewatch MPC · JPL
0 1999 QS3 MBA-O 18.53 1.1 km multiple 1999–2021 13 Sep 2021 31 Disc.: Astrovirtel
Alt.: 2005 UK464		 MPC · JPL
0 1999 QX3 MBA-M 17.3 1.9 km multiple 1999–2017 23 Sep 2017 41 Disc.: Spacewatch MPC · JPL

R

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

References

[edit]
  1. ^ "Data Available from the Minor Planet Center – MPCORB.DAT". Minor Planet Center. 29 January 2022. (doc)
  2. ^ "NEOWISE Diameters and Albedos – V2.0". PDS Small Bodies Node. 2019. Retrieved 31 January 2022.
  3. ^ Johnston, Wm. Robert (2 January 2022). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 31 January 2022.
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