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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 2020, a total of 523 bodies remain unnumbered for this period.[1][2][3] Objects for this year are listed on the following pages: A–R · S–T and U–Y. Also see previous and next year.

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

A

U Designation Class Physical Observations Description and notes Ref
H D Opp. Arc Last Used
0 1999 AF4 AMO 18.5 710 m multiple 1998–2018 16 Apr 2018 479 Disc.: LINEAR MPC · JPL
6 1999 AM10 APO 21.0 220 m single 11 days 24 Jan 1999 27 Disc.: LINEAR MPC · JPL
6 1999 AO10 ATE 23.9 59 m single 33 days 15 Feb 1999 73 Disc.: LINEAR MPC · JPL
2 1999 AX11 MBA-M 17.5 940 m multiple 1999–2020 02 Apr 2020 117 Disc.: Spacewatch
Alt.: 2014 WX505		 MPC · JPL
0 1999 AS12 MBA-I 17.9 780 m multiple 1998–2019 03 Oct 2019 71 Disc.: Spacewatch MPC · JPL
0 1999 AU12 MBA-O 17.0 2.2 km multiple 1994–2020 24 Mar 2020 80 Disc.: Spacewatch
Alt.: 2015 DM118		 MPC · JPL
1 1999 AZ14 MBA-M 18.0 1.1 km multiple 1999–2020 19 Jan 2020 33 Disc.: Spacewatch
Added on 22 July 2020		 MPC · JPL
2 1999 AN16 HUN 19.3 410 m multiple 1999–2020 20 Jan 2020 19 Disc.: Spacewatch
Alt.: 2015 BN466		 MPC · JPL
0 1999 AT18 MBA-O 16.0 3.5 km multiple 1999–2020 26 Jan 2020 115 Disc.: Spacewatch MPC · JPL
0 1999 AW26 MBA-M 17.0 1.2 km multiple 1999–2020 25 Apr 2020 146 Disc.: Spacewatch MPC · JPL
0 1999 AR27 MBA-I 17.0 1.2 km multiple 1993–2020 19 Jan 2020 145 Disc.: Spacewatch MPC · JPL
0 1999 AZ27 MBA-O 16.7 2.5 km multiple 1999–2019 29 Oct 2019 75 Disc.: Spacewatch MPC · JPL
0 1999 AS28 MBA-M 16.8 1.8 km multiple 1999–2020 15 Feb 2020 180 Disc.: Spacewatch
Alt.: 2010 LN45, 2014 QC9		 MPC · JPL
0 1999 AB32 MBA-O 16.8 2.4 km multiple 1999–2019 27 Oct 2019 59 Disc.: Spacewatch
Alt.: 2015 AQ4, 2016 CV58		 MPC · JPL
0 1999 AE33 MBA-O 16.7 2.5 km multiple 1999–2019 02 Dec 2019 52 Disc.: Spacewatch MPC · JPL
0 1999 AT39 MBA-I 17.6 900 m multiple 1999–2019 26 Oct 2019 87 Disc.: Spacewatch MPC · JPL
0 1999 AU39 MBA-M 18.1 710 m multiple 1999–2020 25 Feb 2020 101 Disc.: Spacewatch MPC · JPL
0 1999 AV39 MBA-I 18.2 680 m multiple 1999–2019 02 May 2019 87 Disc.: Spacewatch MPC · JPL
0 1999 AW39 MBA-I 17.8 820 m multiple 1999–2018 12 Feb 2018 58 Disc.: Spacewatch MPC · JPL
0 1999 AX39 MBA-O 17.0 2.2 km multiple 1999–2020 15 Feb 2020 65 Disc.: Spacewatch MPC · JPL
0 1999 AY39 MBA-O 16.8 2.4 km multiple 1999–2020 11 May 2020 52 Disc.: Spacewatch MPC · JPL

B

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
– 1999 BK1 MBA-O 17.2 2.0 km single 10 days 19 Jan 1999 11 Disc.: LINEAR MPC · JPL
1 1999 BR8 MBA-I 18.3 650 m multiple 1999–2019 07 May 2019 66 Disc.: Spacewatch MPC · JPL
0 1999 BW27 MBA-M 16.3 3.1 km multiple 1998–2019 10 May 2019 125 Disc.: Spacewatch MPC · JPL
3 1999 BT30 MBA-O 18.2 1.3 km multiple 1999–2019 04 Apr 2019 47 Disc.: Spacewatch
Alt.: 2014 DZ118		 MPC · JPL
1 1999 BA32 MBA-I 18.7 540 m multiple 1999–2018 31 Dec 2018 37 Disc.: Spacewatch MPC · JPL
7 1999 BL33 AMO 21.9 150 m single 21 days 07 Feb 1999 17 Disc.: Spacewatch MPC · JPL
0 1999 BQ35 MBA-I 17.9 780 m multiple 1999–2020 29 Jun 2020 92 Disc.: Spacewatch MPC · JPL
0 1999 BR35 MBA-I 17.6 900 m multiple 1999–2019 24 Aug 2019 81 Disc.: Spacewatch MPC · JPL
0 1999 BS35 MBA-O 16.5 2.8 km multiple 1999–2020 21 Jan 2020 95 Disc.: Spacewatch
Alt.: 2002 RH283		 MPC · JPL
0 1999 BT35 MBA-I 18.4 620 m multiple 1999–2020 19 Mar 2020 69 Disc.: Spacewatch MPC · JPL
1 1999 BU35 MBA-I 19.2 430 m multiple 1999–2017 09 Dec 2017 33 Disc.: Spacewatch MPC · JPL
0 1999 BV35 MBA-M 17.8 820 m multiple 1995–2020 27 Apr 2020 52 Disc.: Spacewatch MPC · JPL

C

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
0 1999 CO13 MBA-M 17.3 1.0 km multiple 1999–2020 21 Mar 2020 74 Disc.: ODAS MPC · JPL
E 1999 CW118 TNO 7.8 122 km single 86 days 07 May 1999 7 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 CX118 TNO 7.1 168 km single 62 days 13 Apr 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
0 1999 CY118 TNO 8.7 81 km multiple 1999–2017 03 Mar 2017 33 Disc.: Mauna Kea Obs.
LoUTNOs, SDO		 MPC · JPL
1 1999 CZ118 TNO 7.9 117 km multiple 1999–2016 13 Mar 2016 29 Disc.: Mauna Kea Obs.
LoUTNOs, SDO		 MPC · JPL
E 1999 CA119 TNO 7.7 128 km single 86 days 07 May 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
1 1999 CB119 TNO 7.0 176 km multiple 1999–2016 04 Feb 2016 27 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot), BR-mag: 1.93; taxonomy: RR		 MPC · JPL
2 1999 CC119 TNO 7.2 161 km multiple 1999–2019 05 Apr 2019 31 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 CD119 TNO 7.3 154 km single 62 days 13 Apr 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
0 1999 CF119 TNO 7.2 161 km multiple 1999–2016 29 Dec 2016 48 Disc.: Mauna Kea Obs.
LoUTNOs, SDO, BR-mag: 1.46; taxonomy: BR-IR		 MPC · JPL
2 1999 CH119 TNO 7.1 168 km multiple 1999–2018 15 Mar 2018 24 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
2 1999 CJ119 TNO 7.4 147 km multiple 1999–2018 18 Mar 2018 33 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold), BR-mag: 2.07		 MPC · JPL
E 1999 CK119 TNO 7.9 117 km single 8 days 19 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
2 1999 CL119 TNO 6.2 255 km multiple 1999–2020 31 Jan 2020 83 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot), BR-mag: 1.78		 MPC · JPL
3 1999 CM119 TNO 7.9 117 km multiple 1999–2005 03 Nov 2005 14 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold), BR-mag: 1.78		 MPC · JPL
3 1999 CN119 TNO 8.1 106 km multiple 1999–2018 09 Dec 2018 21 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
2 1999 CZ129 MBA-M 18.0 750 m multiple 1999–2018 15 Dec 2018 51 Disc.: Mauna Kea Obs. MPC · JPL
– 1999 CB130 MBA-O — — single 2 days 08 Feb 1999 6 Disc.: Mauna Kea Obs. MPC · JPL
– 1999 CD130 MBA-I 17.6 900 m single 2 days 08 Feb 1999 6 Disc.: Mauna Kea Obs. MPC · JPL
E 1999 CE130 MBA-O — — single 3 days 09 Feb 1999 8 Disc.: Mauna Kea Obs. MPC · JPL
0 1999 CH130 MBA-M 17.6 1.3 km multiple 1999–2019 24 Nov 2019 80 Disc.: Mauna Kea Obs. MPC · JPL
2 1999 CL130 MBA-I 18.4 620 m multiple 1999–2019 25 Apr 2019 29 Disc.: Mauna Kea Obs. MPC · JPL
1 1999 CS130 MBA-O 17.4 1.8 km multiple 1999–2019 03 Apr 2019 26 Disc.: Mauna Kea Obs.
Added on 22 July 2020		 MPC · JPL
1 1999 CD131 MBA-I 18.9 490 m multiple 1999–2020 20 Jul 2020 45 Disc.: Mauna Kea Obs. MPC · JPL
E 1999 CW131 TNO 7.9 117 km multiple 1999–2000 07 Apr 2000 8 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
2 1999 CX131 TNO 7.1 168 km multiple 1999–2018 17 Mar 2018 33 Disc.: Mauna Kea Obs.
LoUTNOs, res · 3:5, BR-mag: 1.64; taxonomy: IR		 MPC · JPL
E 1999 CY131 TNO 8.1 106 km single 8 days 19 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
E 1999 CZ131 TNO 8.1 106 km single 8 days 19 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 CA132 TNO 7.4 147 km single 56 days 08 Apr 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
2 1999 CQ133 TNO 7.0 176 km multiple 1999–2018 16 Mar 2018 29 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot), BR-mag: 1.35		 MPC · JPL
E 1999 CR133 TNO 8.1 106 km single 6 days 18 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
1 1999 CU133 MCA 19.0 470 m multiple 1999–2019 22 Oct 2019 32 Disc.: Spacewatch
Added on 22 July 2020		 MPC · JPL
0 1999 CR135 MBA-M 17.1 1.6 km multiple 1999–2020 26 Apr 2020 92 Disc.: Spacewatch
Alt.: 2016 EF176		 MPC · JPL
0 1999 CU136 MBA-O 16.5 2.8 km multiple 1999–2019 24 Dec 2019 120 Disc.: Spacewatch MPC · JPL
0 1999 CP138 MBA-M 17.3 1.9 km multiple 1999–2019 04 Jul 2019 79 Disc.: Spacewatch
Alt.: 2011 UG356		 MPC · JPL
1 1999 CU138 MBA-O 17.1 2.1 km multiple 1999–2019 06 May 2019 75 Disc.: Spacewatch MPC · JPL
0 1999 CP140 MBA-M 17.3 1.0 km multiple 1999–2020 17 Jun 2020 143 Disc.: Spacewatch
Alt.: 2007 CB8		 MPC · JPL
0 1999 CF141 MBA-I 18.1 710 m multiple 1999–2019 25 Jun 2019 76 Disc.: Spacewatch
Alt.: 2015 HT150		 MPC · JPL
0 1999 CG142 MBA-O 17.0 2.2 km multiple 1999–2020 30 May 2020 52 Disc.: Spacewatch MPC · JPL
0 1999 CE143 MBA-O 17.2 2.0 km multiple 1999–2020 22 Mar 2020 61 Disc.: Mauna Kea Obs. MPC · JPL
0 1999 CB144 MBA-O 17.2 2.0 km multiple 1999–2020 23 May 2020 39 Disc.: Mauna Kea Obs. MPC · JPL
0 1999 CQ144 MBA-I 19.0 470 m multiple 1999–2018 08 Nov 2018 44 Disc.: Mauna Kea Obs.
Alt.: 2011 SQ44		 MPC · JPL
3 1999 CM153 TNO 7.4 147 km multiple 1999–2015 23 Mar 2015 25 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 CN153 TNO 7.7 128 km single 56 days 08 Apr 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
E 1999 CP153 TNO 7.7 128 km multiple 1999–2000 07 Apr 2000 11 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
5 1999 CQ153 TNO 8.0 111 km multiple 1999–2015 20 Mar 2015 14 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 CR153 TNO 8.2 101 km single 31 days 14 Mar 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 CS153 TNO 8.1 106 km multiple 1999–2000 07 Apr 2000 10 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 CT153 TNO 8.1 106 km single 32 days 15 Mar 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
3 1999 CU153 TNO 7.2 161 km multiple 1999–2018 18 Mar 2018 32 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
5 1999 CG154 TNO 7.4 147 km multiple 1999–2005 10 Mar 2005 15 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
4 1999 CH154 TNO 7.8 122 km multiple 1999–2015 16 Mar 2015 12 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 CL154 MBA-I — — single 2 days 08 Feb 1999 6 Disc.: Mauna Kea Obs. MPC · JPL
E 1999 CM154 MBA-O — — single 2 days 08 Feb 1999 6 Disc.: Mauna Kea Obs. MPC · JPL
E 1999 CN154 MBA-O — — single 2 days 08 Feb 1999 6 Disc.: Mauna Kea Obs. MPC · JPL
1 1999 CO154 MBA-M 17.1 1.1 km multiple 1997–2020 16 Mar 2020 62 Disc.: Anderson Mesa
Alt.: 1997 UJ23, 2005 SV258		 MPC · JPL
E 1999 CM155 MBA-O — — single 2 days 08 Feb 1999 6 Disc.: Mauna Kea Obs. MPC · JPL
– 1999 CR155 MBA-M 18.1 710 m single 6 days 18 Feb 1999 9 Disc.: LONEOS MPC · JPL
0 1999 CU156 MBA-O 16.0 3.5 km multiple 1999–2020 14 Jan 2020 59 Disc.: Spacewatch
Alt.: 2010 LS3, 2015 AJ16		 MPC · JPL
3 1999 CK158 TNO 8.3 97 km multiple 1999–2018 18 Feb 2018 19 Disc.: Mauna Kea Obs.
LoUTNOs, other TNO		 MPC · JPL
1 1999 CM158 TNO 7.8 122 km multiple 1999–2016 13 Mar 2016 51 Disc.: Mauna Kea Obs.
LoUTNOs, plutino		 MPC · JPL
0 1999 CT158 MBA-O 16.6 2.7 km multiple 1999–2019 27 Oct 2019 60 Disc.: Spacewatch MPC · JPL
0 1999 CF160 MBA-I 17.7 860 m multiple 1999–2019 28 Aug 2019 72 Disc.: Spacewatch MPC · JPL
0 1999 CG160 MBA-I 18.4 620 m multiple 1999–2020 02 Feb 2020 110 Disc.: Spacewatch MPC · JPL
0 1999 CH160 MBA-M 17.6 900 m multiple 1999–2020 28 Feb 2020 111 Disc.: Spacewatch MPC · JPL
0 1999 CJ160 MBA-I 18.1 710 m multiple 1999–2019 04 Sep 2019 128 Disc.: Spacewatch MPC · JPL
0 1999 CK160 MBA-M 17.4 1.4 km multiple 1999–2018 05 Oct 2018 69 Disc.: Spacewatch MPC · JPL
0 1999 CL160 MBA-M 17.2 2.0 km multiple 1999–2018 12 Apr 2018 57 Disc.: Spacewatch MPC · JPL
0 1999 CM160 MBA-M 17.4 1.4 km multiple 1999–2020 03 Jan 2020 60 Disc.: Spacewatch
Alt.: 2016 BB20		 MPC · JPL
0 1999 CN160 MBA-I 17.8 820 m multiple 1999–2020 21 Apr 2020 77 Disc.: Spacewatch MPC · JPL
0 1999 CO160 MBA-I 18.4 620 m multiple 1999–2020 15 Jun 2020 58 Disc.: Spacewatch MPC · JPL
0 1999 CP160 MBA-O 16.3 3.1 km multiple 1999–2018 09 Nov 2018 60 Disc.: Spacewatch
Alt.: 2010 KH85		 MPC · JPL

D

U Designation Class Physical Observations Description and notes Ref
H D Opp. Arc Last Used
3 1999 DA TNO 7.9 117 km multiple 1999–2015 24 Apr 2015 46 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
0 1999 DB2 AMO 19.0 560 m multiple 1999–2020 13 Jun 2020 189 Disc.: LINEAR MPC · JPL
5 1999 DY2 AMO 21.9 150 m single 56 days 15 Apr 1999 74 Disc.: LINEAR MPC · JPL
3 1999 DJ3 AMO 20.9 230 m multiple 1999–2012 10 Mar 2012 43 Disc.: Spacewatch MPC · JPL
E 1999 DZ7 TNO 8.8 77 km single 1 day 17 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, plutino?		 MPC · JPL
E 1999 DA8 TNO 12.4 15 km single 1 day 17 Feb 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, plutino?		 MPC · JPL
E 1999 DB8 TNO 10.0 44 km single 35 days 23 Mar 1999 7 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
E 1999 DC8 TNO 10.0 44 km single 1 day 17 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 DD8 TNO 11.1 27 km single 1 day 17 Feb 1999 5 Disc.: Mauna Kea Obs.
LoUTNOs, plutino?		 MPC · JPL
E 1999 DE8 TNO 9.6 53 km single 1 day 17 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 DF8 TNO 9.9 46 km single 1 day 17 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 DG8 TNO 8.1 106 km single 1 day 17 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, SDO		 MPC · JPL
5 1999 DH8 TNO 8.7 81 km multiple 1999–2001 24 Feb 2001 11 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 DL8 TNO 9.6 53 km single 35 days 23 Mar 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
E 1999 DM8 TNO 9.7 51 km single 1 day 17 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 DN8 TNO 9.8 49 km single 1 day 17 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 DO8 TNO 10.0 44 km single 1 day 17 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 DP8 TNO 8.9 74 km single 1 day 17 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, SDO		 MPC · JPL
E 1999 DQ8 TNO 9.1 67 km single 1 day 17 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
E 1999 DR8 TNO 9.3 61 km single 1 day 17 Feb 1999 4 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL

E

U Designation Class Physical Observations Description and notes Ref
H D Opp. Arc Last Used
7 1999 EO3 AMO 19.1 540 m single 10 days 23 Mar 1999 31 Disc.: Spacewatch MPC · JPL
1 1999 EF5 AMO 19.4 470 m multiple 1999–2019 27 Mar 2019 99 Disc.: LINEAR MPC · JPL
– 1999 ES6 MBA-I 18.8 520 m single 8 days 22 Mar 1999 9 Disc.: Spacewatch MPC · JPL
0 1999 EY9 MBA-I 17.7 860 m multiple 1999–2019 25 Jul 2019 111 Disc.: Spacewatch
Alt.: 2010 CT27		 MPC · JPL
– 1999 EN11 MBA-M 17.7 860 m single 36 days 15 Apr 1999 11 Disc.: Spacewatch MPC · JPL
0 1999 EE14 MBA-M 16.5 2.1 km multiple 1999–2020 29 Jan 2020 151 Disc.: Spacewatch MPC · JPL
0 1999 EL15 MBA-O 15.9 3.7 km multiple 1999–2020 22 May 2020 161 Disc.: Spacewatch MPC · JPL
1 1999 EM15 MBA-O 17.0 2.2 km multiple 1999–2019 06 Apr 2019 80 Disc.: Spacewatch MPC · JPL
1 1999 EN15 MBA-M 17.2 1.5 km multiple 1999–2020 23 Apr 2020 98 Disc.: Spacewatch MPC · JPL
0 1999 EO15 MBA-M 16.7 1.9 km multiple 1999–2020 22 Apr 2020 107 Disc.: Spacewatch
Alt.: 2016 BR10		 MPC · JPL
0 1999 EP15 MBA-I 18.2 680 m multiple 1999–2019 27 May 2019 82 Disc.: Spacewatch MPC · JPL
0 1999 EQ15 MBA-M 16.4 1.6 km multiple 1999–2020 05 Feb 2020 54 Disc.: Spacewatch MPC · JPL
0 1999 ER15 MBA-I 18.5 590 m multiple 1999–2020 22 Apr 2020 48 Disc.: Spacewatch MPC · JPL

F

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
3 1999 FJ21 APO 20.3 310 m multiple 1999–2018 07 Sep 2018 59 Disc.: Spacewatch MPC · JPL
0 1999 FP63 MBA-I 17.9 780 m multiple 1999–2018 04 Jul 2018 55 Disc.: SDSS
Alt.: 2014 JF16		 MPC · JPL
0 1999 FV63 MBA-M 17.0 1.7 km multiple 1999–2020 24 Jan 2020 130 Disc.: SDSS
Alt.: 2008 EE17		 MPC · JPL
0 1999 FN64 MBA-O 17.0 2.2 km multiple 1999–2017 26 Jul 2017 47 Disc.: SDSS MPC · JPL
0 1999 FA65 MBA-O 17.0 2.2 km multiple 1999–2020 16 Mar 2020 50 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
0 1999 FK65 MBA-O 16.3 3.1 km multiple 1999–2020 18 Jul 2020 66 Disc.: SDSS
Alt.: 2011 UJ392		 MPC · JPL
2 1999 FV65 MBA-M 18.6 570 m multiple 1999–2020 29 Apr 2020 34 Disc.: SDSS MPC · JPL
0 1999 FP66 MBA-M 17.5 1.8 km multiple 1999–2019 28 Aug 2019 44 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 38 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
0 1999 FP67 MBA-I 18.6 570 m multiple 1999–2019 08 Nov 2019 60 Disc.: SDSS
Alt.: 2017 DT97		 MPC · JPL
0 1999 FT67 MBA-M 16.5 2.8 km multiple 1999–2019 28 Oct 2019 93 Disc.: SDSS MPC · JPL
3 1999 FT68 MBA-I 19.1 450 m multiple 1999–2016 03 Apr 2016 27 Disc.: SDSS MPC · JPL
1 1999 FU68 MBA-M 18.9 700 m multiple 1999–2020 21 Mar 2020 45 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
0 1999 FV68 MBA-O 17.7 1.6 km multiple 1999–2020 12 Apr 2020 37 Disc.: SDSS MPC · JPL
0 1999 FX68 MBA-M 18.0 1.1 km multiple 1999–2020 22 May 2020 51 Disc.: SDSS MPC · JPL
0 1999 FA69 MBA-M 17.7 1.2 km multiple 1999–2020 22 Apr 2020 130 Disc.: SDSS MPC · JPL
0 1999 FD69 MBA-M 16.4 1.6 km multiple 1999–2020 21 Jul 2020 175 Disc.: SDSS
Alt.: 2003 ES7, 2013 SE92		 MPC · JPL
1 1999 FK69 MBA-M 18.0 750 m multiple 1999–2018 16 Dec 2018 31 Disc.: SDSS MPC · JPL
0 1999 FL69 MBA-I 18.3 650 m multiple 1999–2020 02 Apr 2020 61 Disc.: SDSS MPC · JPL
0 1999 FO69 MBA-M 17.6 900 m multiple 1999–2020 27 Apr 2020 67 Disc.: SDSS MPC · JPL
0 1999 FP69 MBA-I 17.7 860 m multiple 1999–2019 27 Oct 2019 95 Disc.: SDSS MPC · JPL
0 1999 FS70 MBA-O 16.6 2.7 km multiple 1999–2020 27 Apr 2020 74 Disc.: SDSS
Alt.: 2015 HK23, 2017 OE33		 MPC · JPL
0 1999 FB71 MBA-I 17.6 900 m multiple 1999–2020 23 Mar 2020 132 Disc.: SDSS
Alt.: 2006 DP124		 MPC · JPL
1 1999 FK72 MBA-O 17.3 1.9 km multiple 1999–2020 05 Mar 2020 37 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
0 1999 FP72 MBA-O 16.8 2.4 km multiple 1999–2020 25 May 2020 68 Disc.: SDSS
Alt.: 2012 UP37		 MPC · JPL
0 1999 FA73 MBA-I 18.3 650 m multiple 1999–2018 21 Apr 2018 38 Disc.: SDSS
Alt.: 2014 DP88		 MPC · JPL
0 1999 FT73 MBA-O 16.5 2.8 km multiple 1999–2019 17 Dec 2019 56 Disc.: SDSS MPC · JPL
1 1999 FK74 MBA-M 17.9 780 m multiple 1999–2020 20 Apr 2020 37 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
0 1999 FL74 MBA-O 16.8 2.4 km multiple 1996–2020 22 Apr 2020 70 Disc.: SDSS MPC · JPL
0 1999 FQ74 MBA-I 18.2 680 m multiple 1999–2019 06 Sep 2019 40 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
0 1999 FV74 MBA-I 18.0 750 m multiple 1999–2020 02 Feb 2020 55 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
0 1999 FW75 MBA-M 17.4 980 m multiple 1999–2020 26 May 2020 108 Disc.: SDSS MPC · JPL
0 1999 FB76 MBA-M 17.4 1.4 km multiple 1999–2020 18 Apr 2020 125 Disc.: SDSS MPC · JPL
0 1999 FH76 MBA-I 18.5 590 m multiple 1999–2020 22 Mar 2020 68 Disc.: SDSS
Alt.: 2006 DG188		 MPC · JPL
0 1999 FK77 MBA-O 16.5 2.8 km multiple 1999–2019 24 Dec 2019 61 Disc.: SDSS MPC · JPL
0 1999 FQ77 MBA-O 17.0 2.2 km multiple 1999–2019 22 Jun 2019 67 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
0 1999 FE78 MBA-I 18.1 710 m multiple 1999–2016 24 Nov 2016 40 Disc.: SDSS
Alt.: 2014 EG27		 MPC · JPL
0 1999 FU78 MBA-I 17.0 1.2 km multiple 1999–2020 17 Jul 2020 99 Disc.: SDSS MPC · JPL
0 1999 FL79 MBA-M 18.4 620 m multiple 1999–2020 25 May 2020 31 Disc.: SDSS MPC · JPL
0 1999 FW79 MBA-I 18.6 570 m multiple 1999–2020 23 Mar 2020 37 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
0 1999 FL80 MBA-M 17.9 1.1 km multiple 1999–2019 29 Sep 2019 67 Disc.: SDSS
Alt.: 2012 BJ126		 MPC · JPL
– 1999 FN80 MBA-I 19.2 430 m single 2 days 22 Mar 1999 6 Disc.: SDSS MPC · JPL
0 1999 FZ80 MBA-O 16.2 3.2 km multiple 1999–2019 02 Dec 2019 91 Disc.: SDSS
Alt.: 2007 TR129		 MPC · JPL
0 1999 FU81 MCA 17.9 780 m multiple 1999–2017 12 Jun 2017 145 Disc.: SDSS
Alt.: 2014 QM143		 MPC · JPL
0 1999 FX81 MBA-M 17.6 1.3 km multiple 1999–2016 10 May 2016 36 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
1 1999 FG82 MBA-I 17.7 860 m multiple 1999–2018 06 Jun 2018 50 Disc.: SDSS MPC · JPL
1 1999 FK83 MBA-M 17.4 1.4 km multiple 1999–2016 22 Apr 2016 51 Disc.: SDSS MPC · JPL
0 1999 FS83 MBA-O 17.0 2.2 km multiple 1999–2016 28 Aug 2016 45 Disc.: SDSS MPC · JPL
0 1999 FE85 MBA-O 16.4 2.9 km multiple 1999–2019 25 Oct 2019 48 Disc.: SDSS
Alt.: 2016 CG163		 MPC · JPL
0 1999 FV86 MBA-O 17.5 1.8 km multiple 1999–2020 29 Feb 2020 67 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
0 1999 FA87 MBA-I 17.6 900 m multiple 1999–2018 15 Sep 2018 103 Disc.: SDSS MPC · JPL
2 1999 FL87 MBA-M 18.1 1.0 km multiple 1999–2017 01 May 2017 38 Disc.: SDSS MPC · JPL
2 1999 FN87 MBA-M 18.5 1.1 km multiple 1999–2017 14 Feb 2017 20 Disc.: SDSS MPC · JPL
0 1999 FL88 MBA-O 17.0 2.2 km multiple 1999–2020 26 Apr 2020 97 Disc.: SDSS MPC · JPL
0 1999 FN88 MBA-O 16.8 2.4 km multiple 1999–2020 12 Apr 2020 73 Disc.: SDSS MPC · JPL
0 1999 FY88 MBA-O 16.7 2.5 km multiple 1999–2020 25 May 2020 99 Disc.: SDSS
Alt.: 2001 SE192		 MPC · JPL
2 1999 FV90 MBA-M 17.6 1.7 km multiple 1999–2017 20 Apr 2017 32 Disc.: SDSS
Alt.: 2009 SG94		 MPC · JPL
0 1999 FN91 MBA-O 16.3 3.1 km multiple 1999–2020 03 Jan 2020 52 Disc.: SDSS
Alt.: 2010 LN96, 2015 DZ112		 MPC · JPL
0 1999 FR91 MBA-O 16.5 2.8 km multiple 1999–2020 15 Feb 2020 74 Disc.: SDSS
Alt.: 2015 AF240		 MPC · JPL
0 1999 FR92 MBA-O 16.6 2.7 km multiple 1999–2020 22 Mar 2020 108 Disc.: SDSS
Alt.: 2015 EE9		 MPC · JPL
0 1999 FV92 MBA-O 16.0 3.5 km multiple 1999–2020 26 Jan 2020 118 Disc.: SDSS
Alt.: 2013 TT80		 MPC · JPL
0 1999 FA93 MBA-M 17.1 1.1 km multiple 1999–2020 18 Jul 2020 75 Disc.: SDSS MPC · JPL
0 1999 FF95 MBA-O 16.0 3.5 km multiple 1999–2019 28 Nov 2019 111 Disc.: SDSS
Alt.: 2010 KK14		 MPC · JPL
0 1999 FH95 MBA-O 15.7 4.0 km multiple 1999–2019 24 Dec 2019 149 Disc.: SDSS
Alt.: 2008 WK105, 2010 JE206, 2019 ON17		 MPC · JPL
0 1999 FJ95 MBA-I 17.9 780 m multiple 1999–2019 08 Feb 2019 94 Disc.: SDSS
Alt.: 2009 BZ130		 MPC · JPL
0 1999 FT95 MBA-M 17.7 1.6 km multiple 1999–2019 03 Oct 2019 29 Disc.: SDSS
Added on 22 July 2020		 MPC · JPL
0 1999 FS96 MBA-M 17.3 1.0 km multiple 1999–2020 13 Jul 2020 57 Disc.: SDSS
Alt.: 2016 PO34		 MPC · JPL
0 1999 FZ96 MBA-M 17.0 1.7 km multiple 1999–2020 22 May 2020 166 Disc.: Spacewatch
Alt.: 2004 RE125, 2013 TA154		 MPC · JPL
0 1999 FF97 MBA-M 17.3 1.9 km multiple 1999–2019 03 Oct 2019 84 Disc.: Spacewatch
Alt.: 2014 OQ346		 MPC · JPL
0 1999 FK97 MBA-I 18.6 570 m multiple 1996–2019 24 Jul 2019 85 Disc.: SDSS MPC · JPL
– 1999 FL97 MBA-M 19.1 450 m single 2 days 22 Mar 1999 6 Disc.: SDSS MPC · JPL
0 1999 FQ97 MBA-I 18.2 680 m multiple 1999–2020 20 Jun 2020 69 Disc.: Spacewatch
Alt.: 2009 BJ54, 2016 DS20		 MPC · JPL
0 1999 FY97 MBA-I 18.1 710 m multiple 1999–2019 14 Oct 2019 148 Disc.: SDSS MPC · JPL
0 1999 FZ97 MBA-I 17.5 940 m multiple 1999–2020 21 Jul 2020 126 Disc.: SDSS MPC · JPL
0 1999 FA98 MBA-M 16.7 2.5 km multiple 1999–2019 23 Sep 2019 110 Disc.: SDSS MPC · JPL
0 1999 FB98 MBA-O 16.3 3.1 km multiple 1999–2020 19 May 2020 99 Disc.: SDSS MPC · JPL
0 1999 FC98 MBA-O 16.7 2.5 km multiple 1999–2020 21 Jun 2020 95 Disc.: SDSS MPC · JPL
0 1999 FD98 MBA-I 17.5 940 m multiple 1999–2019 24 Apr 2019 111 Disc.: SDSS MPC · JPL
0 1999 FE98 MBA-M 16.8 1.3 km multiple 1999–2020 21 Jul 2020 82 Disc.: SDSS MPC · JPL
0 1999 FF98 MBA-O 15.8 3.9 km multiple 1999–2019 02 Jun 2019 83 Disc.: SDSS
Alt.: 2010 CU230		 MPC · JPL
0 1999 FG98 MBA-M 16.7 2.5 km multiple 1999–2019 20 Dec 2019 85 Disc.: SDSS MPC · JPL
0 1999 FH98 MBA-O 16.5 2.8 km multiple 1995–2020 23 Jan 2020 82 Disc.: SDSS MPC · JPL
0 1999 FJ98 MBA-M 17.3 1.0 km multiple 1999–2020 21 Jun 2020 121 Disc.: SDSS MPC · JPL
1 1999 FK98 MBA-I 17.7 860 m multiple 1999–2019 29 Sep 2019 73 Disc.: Spacewatch MPC · JPL
0 1999 FL98 HUN 18.4 620 m multiple 1999–2019 27 Oct 2019 69 Disc.: SDSS MPC · JPL
0 1999 FN98 MBA-O 16.7 2.5 km multiple 1999–2019 24 Dec 2019 75 Disc.: SDSS MPC · JPL
0 1999 FO98 MBA-O 16.8 2.4 km multiple 1999–2020 26 May 2020 83 Disc.: SDSS MPC · JPL
0 1999 FP98 MBA-O 16.7 2.5 km multiple 1999–2020 20 Apr 2020 67 Disc.: SDSS MPC · JPL
0 1999 FQ98 MBA-I 18.8 520 m multiple 1999–2019 24 Sep 2019 64 Disc.: SDSS MPC · JPL
0 1999 FR98 MBA-O 16.8 2.4 km multiple 1999–2020 20 May 2020 67 Disc.: SDSS MPC · JPL
0 1999 FS98 MBA-M 17.4 980 m multiple 1999–2020 12 Jul 2020 82 Disc.: SDSS
Alt.: 2010 CC238		 MPC · JPL
0 1999 FT98 MBA-I 17.8 820 m multiple 1999–2019 27 Oct 2019 74 Disc.: SDSS MPC · JPL
0 1999 FU98 MBA-O 16.5 2.8 km multiple 1999–2020 23 Jan 2020 73 Disc.: SDSS MPC · JPL
0 1999 FV98 MBA-I 18.3 650 m multiple 1999–2019 28 May 2019 65 Disc.: SDSS MPC · JPL
0 1999 FW98 MBA-O 16.3 3.1 km multiple 1999–2020 23 Mar 2020 63 Disc.: Spacewatch MPC · JPL
0 1999 FX98 MBA-O 16.3 3.1 km multiple 1999–2018 08 Nov 2018 65 Disc.: SDSS
Alt.: 2010 LY85		 MPC · JPL
0 1999 FY98 MBA-M 17.6 1.3 km multiple 1999–2018 04 Oct 2018 59 Disc.: Spacewatch
Alt.: 2008 HM39		 MPC · JPL
0 1999 FZ98 MBA-I 18.5 590 m multiple 1999–2017 27 Apr 2017 56 Disc.: SDSS MPC · JPL
0 1999 FA99 MBA-M 17.5 1.8 km multiple 1999–2019 20 Oct 2019 60 Disc.: SDSS MPC · JPL
0 1999 FB99 MBA-I 18.5 590 m multiple 1999–2019 26 Jul 2019 68 Disc.: SDSS MPC · JPL
0 1999 FC99 MBA-O 17.3 1.9 km multiple 1999–2018 07 Mar 2018 49 Disc.: SDSS MPC · JPL
0 1999 FD99 MBA-O 17.1 2.1 km multiple 1999–2017 18 Oct 2017 71 Disc.: SDSS
Alt.: 2010 MG78		 MPC · JPL
0 1999 FE99 MBA-M 17.0 1.2 km multiple 1999–2020 25 May 2020 71 Disc.: Spacewatch MPC · JPL
0 1999 FF99 MBA-M 16.8 1.8 km multiple 1999–2018 16 Oct 2018 47 Disc.: SDSS MPC · JPL
2 1999 FG99 MBA-M 17.4 980 m multiple 1999–2019 30 Jan 2019 54 Disc.: SDSS MPC · JPL
0 1999 FH99 MBA-M 17.8 1.5 km multiple 1999–2019 28 Nov 2019 53 Disc.: SDSS MPC · JPL
0 1999 FJ99 MBA-M 17.7 860 m multiple 1999–2020 27 Apr 2020 54 Disc.: SDSS MPC · JPL
0 1999 FK99 MBA-I 18.2 680 m multiple 1999–2019 25 Nov 2019 73 Disc.: Spacewatch MPC · JPL
0 1999 FL99 MBA-I 18.5 590 m multiple 1999–2017 22 Nov 2017 45 Disc.: Spacewatch MPC · JPL
0 1999 FM99 MBA-O 16.7 2.5 km multiple 1999–2020 21 Jan 2020 54 Disc.: SDSS MPC · JPL
0 1999 FN99 MBA-O 16.6 2.7 km multiple 1999–2020 17 Jun 2020 78 Disc.: SDSS MPC · JPL
0 1999 FO99 MBA-O 17.4 1.8 km multiple 1999–2019 09 Apr 2019 57 Disc.: SDSS MPC · JPL
1 1999 FP99 MBA-M 18.3 650 m multiple 1999–2019 04 Apr 2019 47 Disc.: SDSS MPC · JPL
0 1999 FQ99 MBA-I 18.1 710 m multiple 1999–2019 26 Sep 2019 53 Disc.: SDSS MPC · JPL
0 1999 FS99 MBA-O 17.0 2.2 km multiple 1999–2020 18 Jul 2020 61 Disc.: SDSS MPC · JPL
0 1999 FT99 MBA-M 17.9 1.5 km multiple 1999–2017 11 Aug 2017 42 Disc.: SDSS MPC · JPL
0 1999 FU99 MBA-M 17.3 1.5 km multiple 1999–2020 16 Feb 2020 64 Disc.: SDSS
Alt.: 2016 AJ157		 MPC · JPL
0 1999 FV99 MBA-M 17.3 1.5 km multiple 1999–2020 03 Feb 2020 92 Disc.: SDSS
Alt.: 2014 UK253		 MPC · JPL
1 1999 FW99 MBA-I 18.3 650 m multiple 1999–2018 18 Aug 2018 38 Disc.: SDSS MPC · JPL
0 1999 FY99 MBA-I 18.4 620 m multiple 1999–2020 04 Jan 2020 46 Disc.: SDSS MPC · JPL
0 1999 FZ99 MBA-I 18.9 490 m multiple 1999–2019 01 Jul 2019 44 Disc.: SDSS MPC · JPL
0 1999 FA100 MBA-O 16.5 2.8 km multiple 1999–2020 02 Feb 2020 52 Disc.: Spacewatch MPC · JPL
0 1999 FB100 HUN 18.5 590 m multiple 1999–2020 28 Apr 2020 63 Disc.: SDSS MPC · JPL
0 1999 FC100 MBA-I 18.4 620 m multiple 1999–2020 22 Jun 2020 58 Disc.: SDSS
Alt.: 2010 KP56		 MPC · JPL
1 1999 FD100 MBA-I 17.8 820 m multiple 1999–2016 11 Feb 2016 42 Disc.: SDSS MPC · JPL
0 1999 FF100 MBA-M 17.5 940 m multiple 1999–2020 19 Mar 2020 39 Disc.: SDSS MPC · JPL
0 1999 FG100 MBA-O 16.9 2.3 km multiple 1999–2020 21 Mar 2020 55 Disc.: SDSS MPC · JPL
0 1999 FH100 MBA-O 17.0 2.2 km multiple 1999–2020 28 Jun 2020 57 Disc.: SDSS MPC · JPL
0 1999 FJ100 MBA-M 17.4 1.4 km multiple 1999–2020 12 Apr 2020 81 Disc.: SDSS MPC · JPL
0 1999 FK100 HUN 19.4 390 m multiple 1999–2019 28 Jul 2019 35 Disc.: SDSS MPC · JPL
1 1999 FL100 MBA-I 19.1 450 m multiple 1999–2020 22 Apr 2020 55 Disc.: SDSS MPC · JPL
0 1999 FM100 MBA-I 18.2 680 m multiple 1999–2019 25 Sep 2019 54 Disc.: Spacewatch MPC · JPL
1 1999 FN100 MBA-I 16.9 1.2 km multiple 1999–2020 01 Jan 2020 67 Disc.: SDSS
Alt.: 2010 HT19		 MPC · JPL
0 1999 FO100 MBA-O 16.4 2.9 km multiple 1999–2020 24 Mar 2020 66 Disc.: SDSS MPC · JPL
0 1999 FP100 MBA-O 16.3 3.1 km multiple 1999–2020 04 Jan 2020 67 Disc.: SDSS MPC · JPL
0 1999 FQ100 MBA-O 16.7 2.5 km multiple 1999–2020 17 May 2020 84 Disc.: SDSS MPC · JPL
0 1999 FR100 MBA-O 16.4 2.9 km multiple 1999–2019 21 Dec 2019 58 Disc.: SDSS MPC · JPL
0 1999 FS100 MBA-O 16.4 2.9 km multiple 1993–2020 30 Jan 2020 71 Disc.: SDSS MPC · JPL
0 1999 FT100 MBA-O 16.7 2.5 km multiple 1999–2020 29 Jan 2020 60 Disc.: SDSS MPC · JPL
1 1999 FU100 MBA-I 18.4 620 m multiple 1999–2019 06 Mar 2019 48 Disc.: SDSS MPC · JPL
0 1999 FV100 MBA-M 17.0 1.2 km multiple 1999–2020 15 May 2020 63 Disc.: SDSS
Alt.: 2005 TW17		 MPC · JPL
1 1999 FW100 MBA-I 18.3 650 m multiple 1999–2020 23 May 2020 87 Disc.: SDSS MPC · JPL
0 1999 FX100 MBA-O 16.7 2.5 km multiple 1999–2020 24 Jan 2020 47 Disc.: SDSS MPC · JPL
0 1999 FY100 MBA-M 17.5 1.8 km multiple 1999–2018 05 Oct 2018 38 Disc.: SDSS MPC · JPL
0 1999 FZ100 MBA-I 17.9 780 m multiple 1999–2020 17 Apr 2020 62 Disc.: SDSS MPC · JPL
0 1999 FA101 HUN 18.4 620 m multiple 1999–2020 18 Jul 2020 37 Disc.: SDSS MPC · JPL
0 1999 FB101 MBA-M 17.1 1.6 km multiple 1999–2020 25 Jan 2020 36 Disc.: SDSS MPC · JPL
0 1999 FC101 MBA-O 17.1 2.1 km multiple 1999–2020 26 Apr 2020 55 Disc.: SDSS MPC · JPL
0 1999 FD101 MBA-O 17.3 1.9 km multiple 1999–2020 16 May 2020 47 Disc.: SDSS MPC · JPL
0 1999 FE101 MBA-I 18.3 650 m multiple 1999–2019 26 Feb 2019 38 Disc.: SDSS MPC · JPL
0 1999 FF101 MBA-M 17.7 1.6 km multiple 1999–2018 10 Nov 2018 39 Disc.: SDSS MPC · JPL
0 1999 FG101 MBA-M 17.2 2.0 km multiple 1999–2018 13 Apr 2018 37 Disc.: SDSS MPC · JPL
1 1999 FH101 MBA-M 18.2 960 m multiple 1999–2017 13 Jun 2017 33 Disc.: SDSS MPC · JPL

G

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 1999–2019 26 Jul 2019 60 Disc.: Spacewatch MPC · JPL
0 1999 GU14 MBA-I 18.1 710 m multiple 1999–2020 24 Jun 2020 105 Disc.: Spacewatch
Alt.: 2016 CG219		 MPC · JPL
3 1999 GS46 TNO 6.9 185 km multiple 1999–2016 29 May 2016 34 Disc.: La Silla Obs.
LoUTNOs, cubewano (hot), BR-mag: 1.76		 MPC · JPL
0 1999 GO55 MBA-O 16.1 3.4 km multiple 1999–2020 15 Feb 2020 97 Disc.: Spacewatch
Alt.: 2015 BA283		 MPC · JPL
0 1999 GA64 MBA-I 17.9 780 m multiple 1999–2019 05 Nov 2019 68 Disc.: Spacewatch
Alt.: 2010 EB92		 MPC · JPL
0 1999 GB64 MBA-M 16.5 2.1 km multiple 1999–2020 17 Mar 2020 103 Disc.: Spacewatch MPC · JPL
0 1999 GC64 MBA-O 16.6 2.7 km multiple 1999–2019 29 Nov 2019 52 Disc.: Spacewatch MPC · JPL
1 1999 GD64 MBA-M 16.9 1.8 km multiple 1999–2020 22 Jan 2020 61 Disc.: Spacewatch MPC · JPL

H

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
1 1999 HV1 AMO 17.6 1.1 km multiple 1991–2016 04 Dec 2016 45 Disc.: Spacewatch
NEO larger than 1 kilometer		 MPC · JPL
2 1999 HW1 AMO 19.8 390 m multiple 1999–2010 05 May 2010 60 Disc.: LINEAR MPC · JPL
1 1999 HX1 AMO 19.9 370 m multiple 1999–2003 31 Jul 2003 108 Disc.: LINEAR MPC · JPL
3 1999 HS11 TNO 6.9 185 km multiple 1999–2014 25 Apr 2014 33 Disc.: Kitt Peak
LoUTNOs, cubewano (cold), BR-mag: 1.76; taxonomy: RR		 MPC · JPL
3 1999 HV11 TNO 7.8 122 km multiple 1999–2013 14 May 2013 29 Disc.: Kitt Peak
LoUTNOs, cubewano (cold), BR-mag: 1.70		 MPC · JPL
E 1999 HY11 TNO 8.3 97 km single 20 days 07 May 1999 6 Disc.: Kitt Peak
LoUTNOs, cubewano (hot)		 MPC · JPL
E 1999 HZ11 TNO 8.4 93 km single 20 days 07 May 1999 5 Disc.: Kitt Peak
LoUTNOs, cubewano (hot)		 MPC · JPL
E 1999 HA12 TNO 7.8 122 km single 50 days 06 Jun 1999 8 Disc.: Kitt Peak
LoUTNOs, cubewano (cold)		 MPC · JPL
8 1999 HD12 CEN 12.8 12 km single 50 days 05 Jun 1999 11 Disc.: Kitt Peak MPC · JPL
3 1999 HG12 TNO 7.2 161 km multiple 1999–2013 14 Mar 2013 23 Disc.: Kitt Peak
LoUTNOs, res · 4:7, BR-mag: 1.61; taxonomy: IR-RR		 MPC · JPL
3 1999 HH12 TNO 7.0 176 km multiple 1999–2015 22 May 2015 25 Disc.: Kitt Peak
LoUTNOs, cubewano (cold)		 MPC · JPL
3 1999 HJ12 TNO 7.4 147 km multiple 1999–2015 15 Apr 2015 29 Disc.: Kitt Peak
LoUTNOs, cubewano (cold)		 MPC · JPL
0 1999 HH13 MBA-I 17.8 820 m multiple 1999–2019 05 Jun 2019 100 Disc.: Spacewatch MPC · JPL
0 1999 HJ13 MBA-M 16.8 1.3 km multiple 1999–2017 13 Dec 2017 74 Disc.: Spacewatch MPC · JPL
0 1999 HK13 MBA-I 18.2 680 m multiple 1999–2019 26 Jul 2019 99 Disc.: Spacewatch MPC · JPL
0 1999 HL13 MBA-M 17.8 1.2 km multiple 1999–2020 16 May 2020 82 Disc.: Spacewatch MPC · JPL
0 1999 HM13 MBA-O 16.4 2.9 km multiple 1999–2018 08 Nov 2018 48 Disc.: Spacewatch MPC · JPL
0 1999 HN13 MBA-O 16.7 2.5 km multiple 1999–2016 07 Jun 2016 30 Disc.: Spacewatch MPC · JPL
2 1999 HO13 MBA-M 17.2 1.1 km multiple 1999–2019 04 Apr 2019 43 Disc.: Spacewatch MPC · JPL

J

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
2 1999 JE16 MBA-I 18.5 590 m multiple 1999–2019 31 May 2019 65 Disc.: Spacewatch MPC · JPL
E 1999 JV127 CEN 10.4 37 km single 8 days 18 May 1999 44 Disc.: Cerro Tololo MPC · JPL
– 1999 JA132 TNO 7.7 128 km single 59 days 19 May 1999 41 Disc.: Cerro Tololo
LoUTNOs, cubewano (hot)		 MPC · JPL
E 1999 JB132 TNO 8.2 101 km single 8 days 18 May 1999 25 Disc.: Cerro Tololo
LoUTNOs, plutino?		 MPC · JPL
E 1999 JC132 TNO 8.7 81 km single 1 day 11 May 1999 24 Disc.: Cerro Tololo
LoUTNOs, plutino?		 MPC · JPL
3 1999 JD132 TNO 7.7 128 km multiple 1999–2018 10 Apr 2018 67 Disc.: Cerro Tololo
LoUTNOs, cubewano (hot), BR-mag: 1.59		 MPC · JPL
E 1999 JE132 TNO 8.6 84 km single 9 days 19 May 1999 55 Disc.: Cerro Tololo
LoUTNOs, plutino?		 MPC · JPL
E 1999 JF132 TNO 7.9 117 km single 9 days 19 May 1999 37 Disc.: Cerro Tololo
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 JH132 TNO 9.6 53 km single 9 days 19 May 1999 4 Disc.: Cerro Tololo
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 JJ132 TNO 8.8 77 km single 9 days 19 May 1999 4 Disc.: Cerro Tololo
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 JK132 TNO 9.2 64 km single 9 days 19 May 1999 4 Disc.: Cerro Tololo
LoUTNOs, plutino?		 MPC · JPL

K

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
0 1999 KB9 MBA-I 16.9 1.2 km multiple 1999–2019 27 Oct 2019 140 Disc.: LINEAR
Alt.: 2015 VO4		 MPC · JPL
E 1999 KT16 TNO 8.8 77 km single 1 day 19 May 1999 4 Disc.: Cerro Tololo
LoUTNOs, cubewano (hot)		 MPC · JPL
E 1999 KK17 TNO 8.8 77 km single 9 days 19 May 1999 5 Disc.: Cerro Tololo
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 KL17 TNO 8.7 81 km single 90 days 08 Aug 1999 13 Disc.: Cerro Tololo
LoUTNOs, cubewano (cold)		 MPC · JPL
5 1999 KR18 TNO 7.9 117 km multiple 1999–2001 15 Nov 2001 21 Disc.: Cerro Tololo
LoUTNOs, res · 4:7		 MPC · JPL
0 1999 KC21 MBA-M 17.7 860 m multiple 1999–2019 11 Apr 2019 74 Disc.: Spacewatch MPC · JPL
0 1999 KN21 MBA-M 17.2 1.5 km multiple 1999–2017 14 Dec 2017 67 Disc.: Spacewatch MPC · JPL
0 1999 KO21 MBA-I 18.1 710 m multiple 1999–2018 08 Aug 2018 46 Disc.: Spacewatch MPC · JPL
0 1999 KP21 MBA-O 16.4 2.9 km multiple 1999–2020 27 Apr 2020 51 Disc.: Spacewatch MPC · JPL
0 1999 KQ21 MBA-I 18.1 710 m multiple 1999–2019 05 Apr 2019 69 Disc.: Spacewatch MPC · JPL
0 1999 KR21 MBA-I 18.3 650 m multiple 1999–2019 16 Jan 2019 47 Disc.: Spacewatch MPC · JPL

L

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
6 1999 LV7 AMO 19.2 510 m single 27 days 08 Jul 1999 72 Disc.: LINEAR MPC · JPL
0 1999 LW29 MBA-M 17.6 900 m multiple 1999–2019 03 Jan 2019 55 Disc.: Spacewatch MPC · JPL
1 1999 LD30 AMO 20.3 310 m multiple 1999–2004 10 Oct 2004 71 Disc.: LINEAR MPC · JPL
0 1999 LE31 CEN 12.5 17 km multiple 1999–2020 19 Jul 2020 142 Disc.: LINEAR
, albedo: 0.056; BR-mag: 1.20		 MPC · JPL
E 1999 LB37 TNO 9.6 53 km single 1 day 09 Jun 1999 4 Disc.: Palomar Obs.
LoUTNOs, plutino?		 MPC · JPL
1 1999 LE37 MBA-I 18.0 750 m multiple 1999–2019 16 Jan 2019 40 Disc.: Spacewatch MPC · JPL
0 1999 LF37 MBA-I 18.2 680 m multiple 1999–2018 04 Nov 2018 76 Disc.: Spacewatch MPC · JPL

N

U Designation Class Physical Observations Description and notes Ref
H D Opp. Arc Last Used
0 1999 NX MBA-O 16.0 3.5 km multiple 1999–2020 25 Feb 2020 95 Disc.: Woomera Obs.
Alt.: 2015 BN300		 MPC · JPL
1 1999 NW2 APO 23.2 81 m multiple 1999–2019 05 Apr 2019 164 Disc.: LINEAR MPC · JPL
1 1999 NY4 MCA 19.0 470 m multiple 1999–2012 23 Jun 2012 48 Disc.: LINEAR
Alt.: 2012 KR50		 MPC · JPL
3 1999 NZ4 MCA 17.6 1.7 km single 97 days 18 Oct 1999 142 Disc.: LINEAR MPC · JPL
0 1999 NE16 MBA-I 17.6 900 m multiple 1999–2020 15 Jul 2020 197 Disc.: LINEAR
Alt.: 2010 TN102, 2014 WA210, 2016 CM204		 MPC · JPL

O

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
4 1999 OZ3 TNO 7.4 147 km multiple 1999–2015 28 May 2015 27 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
3 1999 OA4 TNO 7.9 117 km multiple 1999–2006 24 Jul 2006 27 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
4 1999 OC4 TNO 8.3 97 km multiple 1999–2001 25 Jul 2001 24 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
3 1999 OD4 TNO 7.3 154 km multiple 1999–2016 03 Aug 2016 41 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
5 1999 OG4 TNO 7.7 128 km multiple 1999–2001 27 Jul 2001 18 Disc.: Mauna Kea Obs.
LoUTNOs, twotino?		 MPC · JPL
3 1999 OH4 TNO 8.3 97 km multiple 1999–2006 03 Aug 2006 22 Disc.: Mauna Kea Obs.
LoUTNOs, other TNO, BR-mag: 3.20		 MPC · JPL
3 1999 OJ4 TNO 7.1 75 km multiple 1999–2008 01 Oct 2008 63 Disc.: Mauna Kea Obs.
LoUTNOs, other TNO, albedo: 0.225; BR-mag: 1.68; taxonomy: RR; binary: 72 km		 MPC · JPL
4 1999 OK4 TNO 7.6 134 km multiple 1999–2003 09 Jul 2003 20 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
0 1999 ON5 MBA-I 17.1 1.1 km multiple 1999–2019 07 Apr 2019 147 Disc.: Spacewatch
Alt.: 2003 SF390, 2017 RJ68		 MPC · JPL
0 1999 OV5 MBA-I 18.0 750 m multiple 1999–2020 24 Jun 2020 145 Disc.: Spacewatch MPC · JPL
0 1999 OW5 MBA-M 17.2 1.5 km multiple 1999–2020 14 Jun 2020 95 Disc.: Spacewatch MPC · JPL
0 1999 OX5 MBA-I 17.6 900 m multiple 1999–2019 19 Dec 2019 64 Disc.: Spacewatch MPC · JPL
2 1999 OY5 MBA-I 18.3 650 m multiple 1999–2018 30 Dec 2018 28 Disc.: Spacewatch MPC · JPL

P

U Designation Class Physical Observations Description and notes Ref
H D Opp. Arc Last Used
5 1999 PS3 AMO 21.7 160 m single 57 days 06 Oct 1999 50 Disc.: LINEAR MPC · JPL
5 1999 PG4 MBA-M 17.6 900 m single 62 days 13 Oct 1999 31 Disc.: Wykrota Obs. MPC · JPL
0 1999 PQ5 MBA-M 17.3 1.5 km multiple 1999–2017 28 Nov 2017 51 Disc.: Spacewatch MPC · JPL
1 1999 PY6 MBA-I 18.3 650 m multiple 1999–2019 24 Oct 2019 39 Disc.: Cerro Tololo
Added on 22 July 2020		 MPC · JPL
0 1999 PC7 MBA-O 17.2 2.0 km multiple 1999–2019 03 Apr 2019 43 Disc.: Cerro Tololo MPC · JPL
1 1999 PL7 MBA-M 17.2 1.1 km multiple 1979–2017 18 Feb 2017 64 Disc.: Palomar Obs.
Alt.: 1979 SY, 2017 BU100		 MPC · JPL
1 1999 PW7 MBA-M 17.7 1.6 km multiple 1999–2019 27 Jan 2019 42 Disc.: Cerro Tololo
Alt.: 2010 AB52		 MPC · JPL
0 1999 PD9 MBA-I 17.3 1.0 km multiple 1999–2020 22 Apr 2020 117 Disc.: Spacewatch MPC · JPL
0 1999 PE9 MBA-M 16.6 1.4 km multiple 1999–2019 10 Jul 2019 158 Disc.: Spacewatch MPC · JPL
0 1999 PF9 MBA-I 17.7 860 m multiple 1999–2019 24 Dec 2019 67 Disc.: Spacewatch MPC · JPL
1 1999 PG9 MBA-M 17.1 1.1 km multiple 1999–2018 10 Mar 2018 53 Disc.: Spacewatch MPC · JPL
0 1999 PH9 MBA-I 18.3 650 m multiple 1999–2018 15 Oct 2018 51 Disc.: Spacewatch MPC · JPL
1 1999 PJ9 MBA-I 18.4 620 m multiple 1999–2016 27 Mar 2016 40 Disc.: Spacewatch MPC · JPL
0 1999 PK9 MBA-I 18.2 680 m multiple 1999–2019 25 May 2019 38 Disc.: Spacewatch MPC · JPL
0 1999 PL9 MBA-M 16.9 1.8 km multiple 1999–2019 08 Feb 2019 64 Disc.: Spacewatch MPC · JPL
0 1999 PM9 MBA-M 17.8 820 m multiple 1999–2019 25 Jun 2019 51 Disc.: Spacewatch MPC · JPL
0 1999 PN9 MBA-M 18.2 960 m multiple 1999–2019 04 Feb 2019 46 Disc.: Cerro Tololo MPC · JPL
0 1999 PO9 MBA-O 16.6 2.7 km multiple 1999–2020 11 Jul 2020 60 Disc.: Spacewatch MPC · JPL
0 1999 PP9 MBA-I 17.7 860 m multiple 1999–2020 22 Mar 2020 58 Disc.: Spacewatch MPC · JPL

Q

U Designation Class Physical Observations Description and notes Ref
H D Opp. Arc Last Used
2 1999 QF1 MBA-M 18.2 960 m multiple 1999–2016 25 Sep 2016 38 Disc.: Spacewatch MPC · JPL
2 1999 QS3 MBA-O 18.1 1.3 km multiple 1999–2016 04 Dec 2016 23 Disc.: Astrovirtel
Alt.: 2005 UK464		 MPC · JPL
0 1999 QV3 MBA-O 16.4 2.9 km multiple 1999–2018 16 Apr 2018 57 Disc.: Spacewatch MPC · JPL
0 1999 QW3 MBA-I 18.6 570 m multiple 1999–2016 03 Jan 2016 42 Disc.: Spacewatch MPC · JPL
0 1999 QX3 MBA-M 17.3 1.9 km multiple 1999–2017 23 Sep 2017 41 Disc.: Spacewatch MPC · JPL
0 1999 QY3 MBA-M 17.2 2.0 km multiple 1999–2020 25 Feb 2020 92 Disc.: Spacewatch MPC · JPL
0 1999 QZ3 MBA-M 17.4 1.8 km multiple 1999–2018 15 Oct 2018 42 Disc.: Spacewatch MPC · JPL

R

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
3 1999 RP4 MBA-I 18.5 590 m multiple 1999–2016 03 Jan 2016 29 Disc.: Spacewatch MPC · JPL
1 1999 RT4 MBA-I 18.3 650 m multiple 1999–2020 22 Apr 2020 69 Disc.: Spacewatch
Alt.: 2014 SA223		 MPC · JPL
1 1999 RV4 MBA-I 18.2 680 m multiple 1999–2020 23 Mar 2020 41 Disc.: Spacewatch
Alt.: 2010 RZ2, 2014 VX27		 MPC · JPL
1 1999 RF5 MBA-I 19.1 450 m multiple 1999–2019 25 Sep 2019 45 Disc.: Spacewatch
Added on 22 July 2020		 MPC · JPL
0 1999 RK5 MBA-O 16.4 2.9 km multiple 1999–2020 26 Jun 2020 126 Disc.: Spacewatch
Alt.: 2008 FR44		 MPC · JPL
0 1999 RO5 MBA-O 16.8 2.4 km multiple 1999–2018 14 Apr 2018 75 Disc.: Spacewatch MPC · JPL
0 1999 RW5 MBA-I 17.9 780 m multiple 1999–2018 04 Dec 2018 55 Disc.: Spacewatch
Alt.: 2014 TN25		 MPC · JPL
1 1999 RC7 MBA-I 18.6 570 m multiple 1999–2017 14 Nov 2017 50 Disc.: Spacewatch MPC · JPL
0 1999 RJ8 MBA-I 18.2 680 m multiple 1999–2020 24 Jun 2020 117 Disc.: Spacewatch MPC · JPL
0 1999 RQ8 MBA-I 18.1 710 m multiple 1999–2018 31 Dec 2018 55 Disc.: Spacewatch MPC · JPL
2 1999 RS9 MBA-M 17.5 1.3 km multiple 1999–2020 22 Jun 2020 58 Disc.: Spacewatch
Alt.: 2016 SZ24		 MPC · JPL
2 1999 RN28 AMO 21.1 210 m multiple 1999–2015 01 Nov 2015 99 Disc.: LINEAR MPC · JPL
7 1999 RP28 AMO 22.6 110 m single 29 days 06 Oct 1999 43 Disc.: CSS MPC · JPL
1 1999 RQ28 AMO 20.7 260 m multiple 1999–2008 20 Jan 2008 124 Disc.: LONEOS MPC · JPL
2 1999 RV29 MCA 18.0 2.1 km multiple 1999–2018 08 Jul 2018 63 Disc.: LINEAR
Alt.: 2010 OM77, 2014 MA5		 MPC · JPL
0 1999 RZ29 MBA-M 17.1 1.1 km multiple 1999–2020 19 Jul 2020 52 Disc.: LINEAR
Alt.: 2014 EB55		 MPC · JPL
1 1999 RC31 MCA 16.8 1.3 km multiple 1999–2017 01 Apr 2017 89 Disc.: LINEAR MPC · JPL
7 1999 RZ31 AMO 23.8 62 m single 14 days 21 Sep 1999 42 Disc.: LINEAR MPC · JPL
3 1999 RA32 APO 21.2 200 m single 326 days 30 Jul 2000 70 Disc.: LINEAR MPC · JPL
0 1999 RB32 AMO 20.2 320 m multiple 1999–2018 10 Dec 2018 363 Disc.: LINEAR MPC · JPL
7 1999 RJ33 AMO 22.5 110 m single 16 days 25 Sep 1999 33 Disc.: LINEAR MPC · JPL
7 1999 RK33 AMO 22.4 120 m single 10 days 19 Sep 1999 85 Disc.: LINEAR MPC · JPL
5 1999 RO36 AMO 20.7 260 m single 67 days 12 Nov 1999 144 Disc.: Farpoint Obs. MPC · JPL
0 1999 RQ37 MBA-M 17.1 1.6 km multiple 1997–2020 28 Jun 2020 71 Disc.: Spacewatch MPC · JPL
0 1999 RR40 MBA-M 17.5 1.3 km multiple 1999–2020 21 Jul 2020 77 Disc.: LINEAR
Alt.: 2016 TV25		 MPC · JPL
0 1999 RE42 MBA-O 16.9 2.3 km multiple 1999–2020 20 Jul 2020 121 Disc.: Ondřejov Obs.
Alt.: 2015 UA6		 MPC · JPL
1 1999 RM45 APO 19.4 470 m multiple 1999–2012 25 Sep 2012 89 Disc.: LINEAR
Potentially hazardous object		 MPC · JPL
2 1999 RX65 MBA-M 17.2 1.1 km multiple 1999–2016 19 Nov 2016 80 Disc.: LINEAR MPC · JPL
1 1999 RY86 MBA-M 17.8 1.2 km multiple 1999–2017 11 Dec 2017 35 Disc.: Spacewatch MPC · JPL
0 1999 RP90 MCA 18.1 1.0 km multiple 1999–2020 20 Jul 2020 126 Disc.: LINEAR MPC · JPL
1 1999 RV163 MBA-M 18.1 1.0 km multiple 1999–2017 09 Dec 2017 32 Disc.: Spacewatch
Alt.: 2017 XO9		 MPC · JPL
0 1999 RK170 MBA-I 18.1 710 m multiple 1999–2017 20 Nov 2017 98 Disc.: Spacewatch
Alt.: 2015 AS35		 MPC · JPL
1 1999 RW175 MBA-I 19.1 450 m multiple 1999–2017 28 Jan 2017 29 Disc.: Spacewatch MPC · JPL
0 1999 RA176 MBA-I 18.4 620 m multiple 1999–2019 09 Jan 2019 35 Disc.: Spacewatch MPC · JPL
0 1999 RS186 MBA-O 17.3 1.9 km multiple 1999–2017 18 Feb 2017 34 Disc.: Spacewatch MPC · JPL
0 1999 RN213 MBA-O 16.2 3.2 km multiple 1999–2019 02 May 2019 127 Disc.: Berg. Gladbach
Alt.: 2010 SS39		 MPC · JPL
E 1999 RS214 TNO 7.9 117 km single 33 days 09 Oct 1999 10 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
3 1999 RT214 TNO 7.8 122 km multiple 1999–2008 29 May 2008 44 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold), albedo: 0.210; binary: 45 km		 MPC · JPL
3 1999 RU214 TNO 7.3 154 km multiple 1999–2008 24 Oct 2008 20 Disc.: Mauna Kea Obs.
LoUTNOs, SDO		 MPC · JPL
4 1999 RV214 TNO 7.9 117 km multiple 1999–2015 28 May 2015 13 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
3 1999 RW214 TNO 7.3 154 km multiple 1998–2016 12 Aug 2016 29 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
2 1999 RX214 TNO 6.8 193 km multiple 1999–2017 24 Jul 2017 30 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold), BR-mag: 1.63; taxonomy: IR		 MPC · JPL
2 1999 RZ214 TNO 7.8 122 km multiple 1999–2017 22 Sep 2017 17 Disc.: Mauna Kea Obs.
LoUTNOs, SDO		 MPC · JPL
2 1999 RB215 TNO 9.4 58 km multiple 1999–2011 26 Oct 2011 23 Disc.: Mauna Kea Obs.
LoUTNOs, twotino		 MPC · JPL
3 1999 RC215 TNO 6.9 185 km multiple 1999–2019 27 Nov 2019 27 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 RF215 TNO 7.4 147 km single 65 days 11 Nov 1999 8 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
4 1999 RG215 TNO 7.4 147 km multiple 1999–2017 23 Sep 2017 22 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
0 1999 RJ215 TNO 7.4 147 km multiple 1999–2017 22 Jul 2017 46 Disc.: Mauna Kea Obs.
LoUTNOs, SDO, BR-mag: 1.22		 MPC · JPL
3 1999 RK215 TNO 7.6 134 km multiple 1999–2015 08 Nov 2015 17 Disc.: Mauna Kea Obs.
LoUTNOs, plutino		 MPC · JPL
6 1999 RR215 TNO 8.1 106 km multiple 1999–2000 28 Dec 2000 14 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 RT215 TNO 7.1 168 km single 63 days 09 Nov 1999 9 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
2 1999 RV215 TNO 8.4 93 km multiple 1999–2014 22 Oct 2014 16 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
3 1999 RW215 TNO 8.0 111 km multiple 1999–2013 07 Oct 2013 18 Disc.: Mauna Kea Obs.
LoUTNOs, res · 3:4		 MPC · JPL
3 1999 RX215 TNO 7.6 134 km multiple 1999–2017 17 Sep 2017 19 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
E 1999 RC216 TNO 7.3 154 km single 62 days 09 Nov 1999 10 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (cold)		 MPC · JPL
– 1999 RV216 MBA-M 18.5 840 m single 12 days 17 Sep 1999 9 Disc.: Spacewatch MPC · JPL
0 1999 RD217 MBA-M 16.5 2.8 km multiple 1999–2020 02 Apr 2020 136 Disc.: Spacewatch
Alt.: 2017 OJ38		 MPC · JPL
0 1999 RE217 MBA-M 17.4 1.4 km multiple 1999–2020 25 May 2020 84 Disc.: Spacewatch MPC · JPL
0 1999 RB225 MCA 18.1 710 m multiple 1999–2018 13 Nov 2018 80 Disc.: LINEAR MPC · JPL
0 1999 RN233 MBA-M 16.6 1.4 km multiple 1999–2019 11 May 2019 114 Disc.: CSS
Alt.: 1999 RK186		 MPC · JPL
2 1999 RH242 MBA-M 17.8 1.5 km multiple 2015–2017 13 Sep 2017 31 Disc.: Spacewatch MPC · JPL
0 1999 RK243 MBA-I 18.8 520 m multiple 1999–2019 25 Sep 2019 64 Disc.: Spacewatch MPC · JPL
0 1999 RF244 MBA-O 16.5 2.8 km multiple 1999–2020 20 Jul 2020 115 Disc.: Spacewatch MPC · JPL
0 1999 RG244 MBA-M 17.6 1.3 km multiple 1999–2020 27 Jun 2020 64 Disc.: Spacewatch
Alt.: 2008 VD30		 MPC · JPL
0 1999 RD245 MBA-I 17.9 780 m multiple 1996–2019 26 Jul 2019 127 Disc.: Spacewatch
Alt.: 2006 SO63, 2008 AR78		 MPC · JPL
0 1999 RL245 MBA-O 16.2 3.2 km multiple 1999–2020 26 Jun 2020 121 Disc.: Spacewatch
Alt.: 2010 LR72		 MPC · JPL
0 1999 RE250 MBA-I 18.1 710 m multiple 1999–2019 20 Dec 2019 112 Disc.: Spacewatch
Alt.: 2012 QN12		 MPC · JPL
0 1999 RM250 MBA-M 17.3 1.0 km multiple 1999–2019 03 Jul 2019 55 Disc.: Spacewatch MPC · JPL
2 1999 RT250 MBA-M 17.9 1.1 km multiple 1999–2017 24 Nov 2017 32 Disc.: Spacewatch MPC · JPL
2 1999 RV250 MBA-M 17.8 1.2 km multiple 1999–2016 19 Oct 2016 38 Disc.: Spacewatch
Alt.: 2012 XD90		 MPC · JPL
0 1999 RW250 MBA-O 16.2 3.2 km multiple 1999–2020 26 Jun 2020 143 Disc.: Spacewatch
Alt.: 2014 HP33		 MPC · JPL
0 1999 RB251 MBA-I 18.5 590 m multiple 1999–2020 20 Jul 2020 40 Disc.: Spacewatch MPC · JPL
0 1999 RL251 MBA-O 16.7 2.5 km multiple 1999–2019 04 Apr 2019 60 Disc.: Spacewatch
Alt.: 2010 TR120		 MPC · JPL
0 1999 RM251 MBA-M 17.3 1.9 km multiple 1999–2017 15 Aug 2017 40 Disc.: Spacewatch
Alt.: 2006 EJ21, 2013 TF66		 MPC · JPL
– 1999 RQ251 MBA-I 19.1 450 m single 14 days 17 Sep 1999 9 Disc.: Spacewatch MPC · JPL
0 1999 RH253 MBA-O 16.3 3.1 km multiple 1999–2018 04 May 2018 84 Disc.: Spacewatch
Alt.: 2010 PT31, 2015 TY283		 MPC · JPL
0 1999 RU253 MBA-I 18.5 590 m multiple 1999–2018 18 Jun 2018 46 Disc.: Spacewatch
Added on 22 July 2020		 MPC · JPL
E 1999 RK257 TNO 8.3 97 km single 1 day 13 Sep 1999 6 Disc.: Mauna Kea Obs.
LoUTNOs, cubewano (hot)		 MPC · JPL
0 1999 RU259 MBA-M 16.3 1.6 km multiple 1999–2019 24 Jul 2019 135 Disc.: CSS MPC · JPL
0 1999 RV259 MBA-O 16.4 2.9 km multiple 1999–2020 20 Jul 2020 115 Disc.: Spacewatch MPC · JPL
0 1999 RW259 MBA-M 16.8 1.8 km multiple 1999–2020 21 Jul 2020 104 Disc.: Astrovirtel MPC · JPL
0 1999 RX259 MBA-I 18.4 620 m multiple 1999–2020 19 Apr 2020 77 Disc.: Spacewatch MPC · JPL
0 1999 RY259 MBA-M 17.0 1.7 km multiple 1999–2018 20 Feb 2018 61 Disc.: Spacewatch MPC · JPL
0 1999 RZ259 MBA-O 16.1 3.4 km multiple 1999–2020 13 Jul 2020 82 Disc.: Spacewatch MPC · JPL
0 1999 RA260 MBA-M 17.5 1.3 km multiple 1999–2019 04 Apr 2019 52 Disc.: Spacewatch MPC · JPL
0 1999 RB260 MBA-O 16.7 2.5 km multiple 1999–2019 06 Apr 2019 46 Disc.: Spacewatch MPC · JPL
0 1999 RC260 MBA-M 17.8 1.2 km multiple 1999–2020 24 Jun 2020 53 Disc.: Spacewatch MPC · JPL
0 1999 RD260 MBA-I 18.3 650 m multiple 1999–2020 24 Jun 2020 67 Disc.: Spacewatch MPC · JPL
1 1999 RE260 MBA-I 18.6 570 m multiple 1999–2016 04 Oct 2016 41 Disc.: Spacewatch MPC · JPL
1 1999 RF260 MBA-M 17.5 940 m multiple 1999–2019 27 Oct 2019 71 Disc.: CSS MPC · JPL
0 1999 RG260 MBA-M 17.3 1.5 km multiple 1999–2018 21 Apr 2018 41 Disc.: Spacewatch MPC · JPL
1 1999 RH260 MBA-M 17.1 1.1 km multiple 1995–2018 18 Mar 2018 47 Disc.: Spacewatch MPC · JPL
1 1999 RJ260 MBA-I 18.1 710 m multiple 1999–2018 12 Feb 2018 42 Disc.: Spacewatch MPC · JPL
1 1999 RL260 MBA-M 17.4 980 m multiple 1999–2018 22 Mar 2018 39 Disc.: Spacewatch MPC · JPL
1 1999 RM260 MBA-M 17.8 1.2 km multiple 1999–2016 05 Nov 2016 39 Disc.: Astrovirtel MPC · JPL
1 1999 RN260 MBA-I 18.2 680 m multiple 1999–2019 04 Apr 2019 29 Disc.: Spacewatch MPC · JPL
0 1999 RO260 MBA-I 18.5 590 m multiple 1999–2018 02 Nov 2018 59 Disc.: Spacewatch MPC · JPL
0 1999 RP260 MBA-M 16.8 2.4 km multiple 1999–2020 24 Mar 2020 83 Disc.: Spacewatch MPC · JPL
0 1999 RQ260 MBA-I 18.3 650 m multiple 1999–2020 30 Jan 2020 56 Disc.: Spacewatch MPC · JPL
0 1999 RR260 MBA-M 17.7 1.2 km multiple 1999–2019 24 Apr 2019 40 Disc.: Spacewatch MPC · JPL
0 1999 RS260 MBA-I 18.2 680 m multiple 1999–2019 31 May 2019 42 Disc.: Spacewatch MPC · JPL
0 1999 RT260 MBA-I 18.4 620 m multiple 1999–2020 13 May 2020 38 Disc.: Spacewatch MPC · JPL
0 1999 RU260 MBA-O 17.0 2.2 km multiple 1999–2019 30 May 2019 33 Disc.: Spacewatch MPC · JPL
0 1999 RV260 MBA-I 18.7 540 m multiple 1999–2019 22 Aug 2019 56 Disc.: Spacewatch MPC · JPL
0 1999 RW260 MBA-M 17.4 980 m multiple 1999–2019 01 Jun 2019 56 Disc.: Spacewatch MPC · JPL
0 1999 RX260 MBA-O 16.5 2.8 km multiple 1999–2020 23 Mar 2020 54 Disc.: Spacewatch MPC · JPL
0 1999 RY260 MBA-M 16.7 1.4 km multiple 1999–2019 26 Apr 2019 68 Disc.: Spacewatch MPC · JPL
0 1999 RZ260 MBA-O 16.5 2.8 km multiple 1999–2019 02 Jul 2019 48 Disc.: Spacewatch MPC · JPL
0 1999 RA261 MBA-M 17.3 1.9 km multiple 1999–2018 17 Dec 2018 41 Disc.: Spacewatch MPC · JPL

References

  1. ^ "Data Available from the Minor Planet Center – MPCORB.DAT". Minor Planet Center. 22 July 2020. Retrieved 22 July 2020. (doc)
  2. ^ "NEOWISE Diameters and Albedos – V2.0". PDS Small Bodies Node. 2019. Retrieved 24 July 2020.
  3. ^ Johnston, Wm. Robert (27 December 2019). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 24 July 2020.
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