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List of unnumbered trans-Neptunian objects: 2018

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The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2020. As of April 2022, it contains a total of 20 bodies.[1][2][3] For more information see the description on the main page. Also see list for the previous and next year.

2018

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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 166 0.77 20 38.4 294 ETNO MPC · JPL
2018 AG37 15 January 2018 Mauna Kea Obs. (568) 797 centaur 80.9 0.66 19 27.4 134 MPC · JPL
2018 AH39 15 January 2018 Mauna Kea Obs. (568) 150 other TNO 55.1 0.19 29 44.8 65.4 MPC · JPL
2018 AK39 15 January 2018 Mauna Kea Obs. (568) 279 centaur 51.3 0.47 15 27.3 75.4 MPC · JPL
2018 AX18 15 January 2018 S. S. Sheppard (568) 181 SDO 52.2 0.29 21 37.2 67.1 MPC · JPL
2018 AY18 15 January 2018 S. S. Sheppard (568) 125 SDO 65.1 0.39 15 39.9 90.3 MPC · JPL
2018 AZ18 15 January 2018 S. S. Sheppard (568) 120 other TNO 54.8 0.27 16 39.8 69.7 MPC · JPL
2018 GT12 12 April 2018 S. S. Sheppard (807) 114 SDO 96.1 0.65 16 33.4 159 MPC · JPL
2018 GT15 12 April 2018 Cerro Tololo Obs. (807) 132 other TNO 60.0 0.22 26 46.5 73.4 MPC · JPL
2018 JT6 10 May 2018 S. S. Sheppard (807) 182 other TNO 52.9 0.20 27 42.2 63.6 MPC · JPL
2018 JU6 11 May 2018 S. S. Sheppard (807) 157 SDO 51.4 0.26 6 38.0 64.7 MPC · JPL
2018 MF13 16 June 2018 CTIO-DECam (W84) 66 res · 5:8 41.4 0.25 3 31.1 51.7 MPC · JPL
2018 MG13 16 June 2018 CTIO-DECam (W84) 95 SDO 51.1 0.25 10 38.4 63.7 MPC · JPL
2018 VG18 10 November 2018 Mauna Kea Obs. (568) 753 SDO 81.8 0.53 24 38.3 125 MPC · JPL
2018 VJ137 8 November 2018 Mauna Kea Obs. (568) 165 SDO 90.8 0.58 19 37.7 144 MPC · JPL
2018 VM35 6 November 2018 S. S. Sheppard (568) 109 EDDO 283 0.84 9 44.6 522 ETNO MPC · JPL
2018 VN35 10 November 2018 S. S. Sheppard (568) 111 SDO 85.3 0.60 25 34.3 136 MPC · JPL
2018 VN137 8 November 2018 Mauna Kea Obs. (568) 120 SDO 55.0 0.38 17 34.3 75.7 MPC · JPL
2018 VO35 10 November 2018 S. S. Sheppard (568) 162 SDO 93.9 0.62 19 35.3 153 MPC · JPL
2018 VO137 8 November 2018 Mauna Kea Obs. (568) 125 res · 2:5 55.5 0.18 39 45.4 65.6 MPC · JPL
2018 VP137 8 November 2018 Mauna Kea Obs. (568) 109 SDO 55.5 0.38 9 34.3 76.6 MPC · JPL

References

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  1. ^ a b "List Of Transneptunian Objects". Minor Planet Center. 16 April 2022. Retrieved 16 April 2022.
  2. ^ a b "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. 16 April 2022. Retrieved 16 April 2022.
  3. ^ a b "List of Known Trans-Neptunian Objects". Johnston's Archive. 2 January 2022. Retrieved 16 April 2022.