List of unnumbered trans-Neptunian objects: 2018
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[edit]
| 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[edit]
- ^ a b "List Of Transneptunian Objects". Minor Planet Center. 16 April 2022. Retrieved 16 April 2022.
- ^ a b "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. 16 April 2022. Retrieved 16 April 2022.
- ^ a b "List of Known Trans-Neptunian Objects". Johnston's Archive. 2 January 2022. Retrieved 16 April 2022.