The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2012. As of May 2026[update], it contains a total of 45 bodies.[1][2][3][4][5][6] For more information see the description on the main page. Also see list for the previous and next year.
2012
edit| Designation | First Observed (discovered) | D (km) | Orbital description | Remarks | Refs | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Date | Observer (Site) |
Class | a (AU) |
e | i (°) |
q (AU) |
Q (AU) | ||||
| 2012 BV154 | 19 January 2012 | Pan-STARRS 1 (F51) | 197 | cubewano (hot)? | 46.9 | 0.20 | 12 | 37.6 | 56.3 | albedo: 0.079 | MPC · JPL |
| 2012 BY154 | 21 January 2012 | Pan-STARRS 1 (F51) | 156 | res · 3:5 | 42.3 | 0.17 | 7 | 35.2 | 49.5 | albedo: 0.126 | MPC · JPL |
| 2012 DQ106 | 16 February 2012 | Pan-STARRS 1 (F51) | 134 | res · 4:7? | 43.8 | 0.17 | 1 | 36.4 | 51.2 | albedo: 0.126 | MPC · JPL |
| 2012 DV121 | 16 February 2012 | Pan-STARRS 1 (F51) | 148 | SDO | 64.2 | 0.44 | 33 | 36.1 | 92.4 | albedo: 0.124 | MPC · JPL |
| 2012 DZ98 | 16 February 2012 | Pan-STARRS 1 (F51) | 149 | cubewano (cold) | 42.7 | 0.02 | 3 | 41.8 | 43.6 | albedo: 0.152 | MPC · JPL |
| 2012 FH84 | 25 March 2012 | Las Campanas Observatory (304) | 140 | SDO | 58.0 | 0.31 | 4 | 40.3 | 75.7 | albedo: 0.124 | MPC · JPL |
| 2012 FN84 | 25 March 2012 | Las Campanas Observatory (304) | 104 | SDO | 52.6 | 0.35 | 8 | 34.0 | 71.1 | albedo: 0.124 | MPC · JPL |
| 2012 GU11 | 12 April 2012 | Pan-STARRS 1 (F51) | 87 | centaur | 174.1 | 0.90 | 11 | 18.2 | 330.0 | albedo: 0.058 | MPC · JPL |
| 2012 GX17 | 14 April 2012 | Pan-STARRS 1 (F51) | 167 | centaur | 37.5 | 0.55 | 33 | 16.8 | 58.2 | albedo: 0.058 | MPC · JPL |
| 2012 HD2 | 18 April 2012 | Spacewatch (691) | 5 | damocloid | 61.0 | 0.96 | 147 | 2.5 | 119.4 | albedo: 0.048 | MPC · JPL |
| 2012 HE85 | 18 April 2012 | New Horizons KBO Search (268) | 62 | res · 5:9 | 44.3 | 0.09 | 3 | 40.2 | 48.5 | albedo: 0.126 | MPC · JPL |
| 2012 HW87 | 21 April 2012 | Pan-STARRS 1 (F51) | 114 | SDO | 90.7 | 0.64 | 14 | 32.4 | 149.0 | albedo: 0.124 | MPC · JPL |
| 2012 OL6 | 22 July 2012 | Maunakea (568) | 137 | SDO | 54.1 | 0.30 | 9 | 37.8 | 70.5 | albedo: 0.124 | MPC · JPL |
| 2012 SB67 | 26 September 2012 | Pan-STARRS 1 (F51) | 246 | cubewano (hot)? | 47.3 | 0.14 | 18 | 40.5 | 54.0 | albedo: 0.079 | MPC · JPL |
| 2012 TE324 | 8 October 2012 | Pan-STARRS 1 (F51) | 232 | cubewano (hot) | 46.4 | 0.13 | 6 | 40.6 | 52.3 | albedo: 0.079 | MPC · JPL |
| 2012 TF324 | 9 October 2012 | Pan-STARRS 1 (F51) | 227 | cubewano (hot) | 43.6 | 0.12 | 8 | 38.6 | 48.7 | albedo: 0.079 | MPC · JPL |
| 2012 TF359 | 6 October 2012 | Pan-STARRS 1 (F51) | 263 | cubewano (hot)? | 42.3 | 0.07 | 25 | 39.4 | 45.3 | albedo: 0.079 | MPC · JPL |
| 2012 TL139 | 9 October 2012 | Pan-STARRS 1 (F51) | 6 | damocloid | 30.2 | 0.88 | 160 | 3.6 | 56.8 | albedo: 0.048 | MPC · JPL |
| 2012 UD178 | 21 October 2012 | Pan-STARRS 1 (F51) | 122 | res · 2:5 | 55.9 | 0.42 | 9 | 32.2 | 79.5 | albedo: 0.126 | MPC · JPL |
| 2012 UE185 | 23 October 2012 | Pan-STARRS 1 (F51) | 246 | cubewano (hot)? | 42.1 | 0.16 | 21 | 35.6 | 48.6 | albedo: 0.079 | MPC · JPL |
| 2012 UG177 | 20 October 2012 | M. Alexandersen (568) | 59 | plutino | 39.6 | 0.23 | 22 | 30.5 | 48.7 | albedo: 0.074 | MPC · JPL |
| 2012 UH177 | 21 October 2012 | M. Alexandersen (568) | 124 | plutino | 39.5 | 0.19 | 24 | 32.2 | 46.9 | albedo: 0.074 | MPC · JPL |
| 2012 UJ177 | 21 October 2012 | M. Alexandersen (568) | 57 | res · 2:5 | 55.7 | 0.44 | 16 | 31.4 | 79.9 | albedo: 0.126 | MPC · JPL |
| 2012 UK177 | 20 October 2012 | M. Alexandersen (568) | 69 | SDO | 94.0 | 0.62 | 25 | 35.4 | 152.7 | albedo: 0.124 | MPC · JPL |
| 2012 UL177 | 20 October 2012 | M. Alexandersen (568) | 152 | cubewano (hot)? | 40.9 | 0.12 | 19 | 35.9 | 46.0 | albedo: 0.079 | MPC · JPL |
| 2012 UM177 | 20 October 2012 | M. Alexandersen (568) | 90 | cubewano (hot)? | 43.8 | 0.06 | 16 | 41.2 | 46.4 | albedo: 0.079 | MPC · JPL |
| 2012 UN177 | 20 October 2012 | M. Alexandersen (568) | 146 | cubewano (hot)? | 43.5 | 0.17 | 20 | 36.3 | 50.7 | albedo: 0.079 | MPC · JPL |
| 2012 UO177 | 21 October 2012 | M. Alexandersen (568) | 103 | cubewano (hot)? | 41.8 | 0.03 | 16 | 40.6 | 43.0 | albedo: 0.079 | MPC · JPL |
| 2012 UP177 | 21 October 2012 | M. Alexandersen (568) | 113 | cubewano (hot)? | 43.1 | 0.10 | 17 | 38.7 | 47.5 | albedo: 0.079 | MPC · JPL |
| 2012 UQ177 | 20 October 2012 | M. Alexandersen (568) | 91 | SDO | 52.5 | 0.32 | 20 | 35.8 | 69.2 | albedo: 0.124 | MPC · JPL |
| 2012 UR177 | 21 October 2012 | M. Alexandersen (568) | 99 | SDO | 74.9 | 0.50 | 16 | 37.5 | 112.2 | albedo: 0.124 | MPC · JPL |
| 2012 US177 | 21 October 2012 | M. Alexandersen (568) | 69 | SDO | 56.6 | 0.37 | 17 | 35.6 | 77.5 | albedo: 0.124 | MPC · JPL |
| 2012 UT177 | 21 October 2012 | Maunakea (568) | 143 | cubewano (hot)? | 47.7 | 0.12 | 16 | 41.9 | 53.5 | albedo: 0.079 | MPC · JPL |
| 2012 UU177 | 21 October 2012 | Maunakea (568) | 99 | cubewano (hot)? | 43.8 | 0.04 | 16 | 42.3 | 45.3 | albedo: 0.079 | MPC · JPL |
| 2012 UV177 | 20 October 2012 | Maunakea (568) | 77 | nep trj | 30.2 | 0.08 | 21 | 27.9 | 32.5 | albedo: 0.058 | MPC · JPL |
| 2012 UW177 | 20 October 2012 | M. Alexandersen (568) | 30 | centaur | 30.3 | 0.26 | 54 | 22.3 | 38.3 | albedo: 0.058 | MPC · JPL |
| 2012 VB116 | 8 November 2012 | Pan-STARRS 1 (F51) | 437 | cubewano (hot)? | 47.4 | 0.16 | 23 | 39.8 | 55.0 | albedo: 0.079 | MPC · JPL |
| 2012 VP113 | 5 November 2012 | Cerro Tololo Observatory, La Serena (807) | 585 | sednoid | 269.7 | 0.70 | 24 | 80.6 | 458.7 | albedo: 0.124; BRmag: 1.44 | MPC · JPL |
| 2012 WE37 | 16 November 2012 | Cerro Tololo-DECam (W84) | 103 | twotino | 48.0 | 0.25 | 26 | 36.0 | 60.1 | albedo: 0.126 | MPC · JPL |
| 2012 WF37 | 16 November 2012 | Cerro Tololo-DECam (W84) | 110 | plutino | 39.8 | 0.30 | 19 | 28.0 | 51.6 | albedo: 0.074; taxonomy: RR | MPC · JPL |
| 2012 WG37 | 19 November 2012 | Cerro Tololo-DECam (W84) | 181 | SDO | 49.4 | 0.35 | 14 | 32.3 | 66.5 | albedo: 0.124 | MPC · JPL |
| 2012 XW159 | 9 December 2012 | Pan-STARRS 1 (F51) | 162 | plutino | 39.8 | 0.21 | 21 | 31.3 | 48.4 | albedo: 0.074 | MPC · JPL |
| 2012 YF12 | 23 December 2012 | Pan-STARRS 1 (F51) | 294 | cubewano (hot)? | 43.9 | 0.14 | 28 | 37.6 | 50.1 | albedo: 0.079 | MPC · JPL |
| 2012 YG12 | 30 December 2012 | Pan-STARRS 1 (F51) | 194 | plutino | 39.7 | 0.22 | 31 | 31.0 | 48.4 | albedo: 0.074 | MPC · JPL |
| 2012 YO9 | 17 December 2012 | Dark Energy Survey (W84) | 109 | res · 4:7 | 44.0 | 0.17 | 15 | 36.4 | 51.6 | albedo: 0.126 | MPC · JPL |
References
edit- ↑ "List Of Transneptunian Objects". Minor Planet Center. 24 October 2025. Retrieved 24 October 2025.
- ↑ "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. 24 October 2025. Retrieved 24 October 2025.
- ↑ "List Of Neptune Trojans". Minor Planet Center. 24 October 2025.
- ↑ "List Of Other Unusual Objects". Minor Planet Center. 24 October 2025. Retrieved 24 October 2025.
- ↑ "MPC Database Search: a ≥ 30.1 AU". Minor Planet Center. Archived from the original on 2 November 2025. Retrieved 2 November 2025.
5561 trans-Neptunian objects
- ↑ "List of Known Trans-Neptunian Objects". Johnston's Archive. 24 June 2025. Retrieved 24 October 2025.