# List of unnumbered minor planets: 1999 A–R

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

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

| U | Designation | Class | Physical | Physical | Observations | Observations | Observations | Observations | Description and notes | Ref |
| U | Designation | Class | H | D | Opp. | Arc | Last | Used | Description and notes | Ref |
| 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 |
| 5 | 1999 CT153 | TNO | 8.31 | 75 km | multiple | 1999-2017 | 23 Jan 2017 | 27 | 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

| U | Designation | Class | Physical | Physical | Observations | Observations | Observations | Observations | Description and notes | Ref |
| U | Designation | Class | H | D | Opp. | Arc | Last | Used | Description and notes | Ref |
| 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 |
| 0 | 1999 DJ3 | AMO | 20.78 | 230 m | multiple | 1999–2025 | 24 Feb 2025 | 50 | 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

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

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

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

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

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

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

| U | Designation | Class | Physical | Physical | Observations | Observations | Observations | Observations | Description and notes | Ref |
| U | Designation | Class | H | D | Opp. | Arc | Last | Used | Description and notes | Ref |
| 7 | 1999 LJ1 | AMO | 22.2 | 130 m | single | 28 days | 02 Jul 1999 | 41 | Disc.: CSS | MPC · JPL |
| 0 | 1999 LT1 | AMO | 17.86 | 1.1 km | multiple | 1999–2024 | 29 Nov 2024 | 68 | 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

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

| U | Designation | Class | Physical | Physical | Observations | Observations | Observations | Observations | Description and notes | Ref |
| U | Designation | Class | H | D | Opp. | Arc | Last | Used | Description and notes | Ref |
| 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 |
| 5 | 1999 OK4 | TNO | 7.57 | 126 km | multiple | 1999–2015 | 05 Sep 2015 | 23 | 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

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

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

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