List of unnumbered trans-Neptunian objects: 2018

The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2018. As of October 2025, it contains a total of 42 bodies.[1][2][3][4][5] For more information see the description on the main page. Also see list for the previous and next year.

2018

See also: List of unnumbered trans-Neptunian objects
Designation First Observed (discovered) D (km) Orbital description Remarks Refs
Date Observer
(Site) 		Class a
(AU) 		e i
(°) 		q
(AU) 		Q
(AU)
2018 AD39 15 January 2018 Mauna Kea Obs. (568) 217 SDO 169.7 0.77 20 38.9 300.6 — MPC · JPL
2018 AG37 15 January 2018 Mauna Kea Obs. (568) 790 centaur 81.4 0.65 19 28.4 134.4 — MPC · JPL
2018 AH39 15 January 2018 Mauna Kea Obs. (568) 133 other TNO 55.6 0.18 29 45.7 65.5 — MPC · JPL
2018 AK39 15 January 2018 Mauna Kea Obs. (568) 277 centaur 51.7 0.46 15 28 75.4 — MPC · JPL
2018 AX18 15 January 2018 Mauna Kea Obs. (568) 181 SDO 52.6 0.28 21 37.7 67.5 — MPC · JPL
2018 AY18 15 January 2018 Mauna Kea Obs. (568) 125 SDO 65.4 0.38 15 40.4 90.5 — MPC · JPL
2018 AZ18 15 January 2018 Mauna Kea Obs. (568) 109 SDO 55.3 0.27 16 40.4 70.1 — MPC · JPL
2018 DE4 17 February 2018 Mt. Lemmon Survey (G96) 2.2 damocloid 31.4 0.92 82 2.4 60.4 — MPC · JPL
2018 DF4 23 February 2018 Mt. Lemmon Survey (G96) 3 damocloid 100 0.98 68 1.6 198.4 — MPC · JPL
2018 FK76 18 March 2018 Mauna Kea-Subaru (T09) 103 twotino 47.8 0.15 2 40.6 54.9 — MPC · JPL
2018 FL73 18 March 2018 D. J. Tholen (T09) 138 cubewano (cold)? 44.9 0.12 4 39.4 50.5 — MPC · JPL
2018 FL76 18 March 2018 Mauna Kea-Subaru (T09) 105 plutino 39.5 0.09 14 36 43 — MPC · JPL
2018 FM76 18 March 2018 Mauna Kea-Subaru (T09) 95 cubewano (cold)? 45.3 0.1 3 40.8 49.8 — MPC · JPL
2018 FM78 18 March 2018 D. J. Tholen (T09) 130 cubewano (hot)? 42.4 0.11 5 37.9 46.9 — MPC · JPL
2018 FO76 18 March 2018 D. J. Tholen (T09) 134 other TNO 42 0.13 29 36.6 47.5 — MPC · JPL
2018 FP76 18 March 2018 D. J. Tholen (T09) 97 cubewano (cold)? 42.5 0.03 4 41.4 43.6 — MPC · JPL
2018 FQ76 18 March 2018 D. J. Tholen (T09) 75 cubewano (cold)? 42.8 0.02 2 41.8 43.8 — MPC · JPL
2018 FX73 18 March 2018 Mauna Kea-Subaru (T09) 131 cubewano (cold)? 44 0.06 3 41.5 46.5 — MPC · JPL
2018 FY73 18 March 2018 Mauna Kea-Subaru (T09) 108 res · 3:5 42.4 0.18 4 35 49.8 — MPC · JPL
2018 GT12 12 April 2018 Cerro Tololo Obs. (807) 114 SDO 96.9 0.65 16 33.7 160.2 — MPC · JPL
2018 GT15 12 April 2018 Cerro Tololo Obs. (807) 112 other TNO 56.9 0.1 26 51.4 62.4 — MPC · JPL
2018 HK14 24 April 2018 Mauna Kea-Subaru (T09) 115 cubewano (cold)? 43.1 0.05 2 41.2 45.1 — MPC · JPL
2018 HL14 24 April 2018 Mauna Kea-Subaru (T09) 102 cubewano (cold)? 43.5 0.05 3 41.5 45.5 — MPC · JPL
2018 HM14 24 April 2018 Mauna Kea-Subaru (T09) 102 cubewano (cold)? 44.2 0.05 2 41.8 46.6 — MPC · JPL
2018 HS12 24 April 2018 D. J. Tholen (T09) 82 res · 3:5 42.2 0.19 15 34.2 50.1 — MPC · JPL
2018 HT14 24 April 2018 D. J. Tholen (T09) 105 other TNO 38.3 0.1 2 34.4 42.2 — MPC · JPL
2018 JT6 10 May 2018 Cerro Tololo Obs. (807) 161 other TNO 53.1 0.2 27 42.8 63.5 — MPC · JPL
2018 JU6 11 May 2018 Cerro Tololo Obs. (807) 157 SDO 51.4 0.25 6 38.4 64.5 — MPC · JPL
2018 KH3 16 May 2018 Mt. Lemmon Survey (G96) 11 damocloid 89.6 0.96 47 3.7 175.5 — MPC · JPL
2018 MF13 16 June 2018 DECam (W84) 68 res · 5:8 41 0.25 3 30.7 51.3 — MPC · JPL
2018 MG13 16 June 2018 DECam (W84) 146 cubewano (hot)? 47.6 0.07 10 44.4 50.9 — MPC · JPL
2018 MP8 16 June 2018 Pan-STARRS 1 (F51) 5 damocloid 335.4 0.99 68 3.8 667 — MPC · JPL
2018 SQ13 21 September 2018 Mt. Lemmon Survey (G96) 5 damocloid 162.1 0.98 91 3 321.3 — MPC · JPL
2018 VG18 10 November 2018 Mauna Kea Obs. (568) 610 res · 2:9 82 0.53 24 39 125.1 — MPC · JPL
2018 VJ137 8 November 2018 Mauna Kea Obs. (568) 165 SDO 92.1 0.59 19 37.6 146.6 — MPC · JPL
2018 VL203 8 November 2018 Mauna Kea-Subaru (T09) — — 43.6 0.87 19 5.6 81.7 — MPC · JPL
2018 VM35 6 November 2018 Mauna Kea Obs. (568) 106 EDDO 306.8 0.86 9 44.6 568.9 — MPC · JPL
2018 VN137 8 November 2018 Mauna Kea Obs. (568) 120 SDO 55.3 0.38 17 34.2 76.4 — MPC · JPL
2018 VN35 10 November 2018 Mauna Kea Obs. (568) 111 SDO 85.3 0.6 25 34.6 136 — MPC · JPL
2018 VO137 8 November 2018 Mauna Kea Obs. (568) 129 res · 2:5 55.6 0.19 39 45.3 66 — MPC · JPL
2018 VO35 10 November 2018 Mauna Kea Obs. (568) 162 SDO 95.9 0.63 19 35.5 156.3 — MPC · JPL
2018 VP137 8 November 2018 Mauna Kea Obs. (568) 109 SDO 55.7 0.39 9 34.2 77.2 — MPC · JPL

References

  1. ^ a b "List Of Transneptunian Objects". Minor Planet Center. 24 October 2025. Retrieved 24 October 2025.
  2. ^ a b "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. 24 October 2025. Retrieved 24 October 2025.
  3. ^ a b "List Of Other Unusual Objects". Minor Planet Center. 24 October 2025. Retrieved 24 October 2025.
  4. ^ a b "MPC Database Search: a ≥ 30.1 AU". Minor Planet Center. Archived from the original on 23 October 2025. Retrieved 23 October 2025. 5555 trans-Neptunian objects
  5. ^ a b "List of Known Trans-Neptunian Objects". Johnston's Archive. 24 June 2025. Retrieved 24 October 2025.

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