# List of unnumbered trans-Neptunian objects: 2011

The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2011. As of April 2022, it contains a total of 97 bodies. For more information see the description on the main page. Also see list for the previous and next year.

## 2011

| Designation | First Observed (discovered) | First Observed (discovered) | D (km) | Orbital description | Orbital description | Orbital description | Orbital description | Orbital description | Orbital description | Remarks | Refs |
| Designation | Date | Observer (Site) | D (km) | Class | a (AU) | e | i (°) | q (AU) | Q (AU) | Remarks | Refs |
| 2011 BN$_{170}$ | 30 January 2011 | Pan-STARRS (F51) | 167 | SDO | 70.1 | 0.50 | 13 | 34.9 | 105 | — | MPC · JPL |
| 2011 BO$_{170}$ | 30 January 2011 | Pan-STARRS (F51) | 142 | cubewano? | 46.1 | 0.19 | 15 | 37.5 | 54.8 | — | MPC · JPL |
| 2011 BP$_{170}$ | 30 January 2011 | Pan-STARRS (F51) | 173 | res · 1:5 | 86.8 | 0.60 | 23 | 35.1 | 139 | — | MPC · JPL |
| 2011 BR$_{163}$ | 27 January 2011 | Pan-STARRS (F51) | 227 | SDO | 95.9 | 0.60 | 25 | 37.9 | 154 | — | MPC · JPL |
| 2011 BS$_{163}$ | 30 January 2011 | Pan-STARRS (F51) | 172 | cubewano (cold) | 43.5 | 0.06 | 5 | 41.0 | 45.9 | — | MPC · JPL |
| 2011 BT$_{163}$ | 30 January 2011 | Pan-STARRS (F51) | 228 | res · 5:12 | 53.6 | 0.34 | 33 | 35.6 | 71.6 | — | MPC · JPL |
| 2011 BU$_{163}$ | 30 January 2011 | Pan-STARRS (F51) | 157 | SDO | 57.1 | 0.38 | 22 | 35.7 | 78.5 | — | MPC · JPL |
| 2011 CW$_{119}$ | 2 February 2011 | Pan-STARRS (F51) | 120 | res · 3:7 | 52.5 | 0.36 | 20 | 33.4 | 71.5 | — | MPC · JPL |
| 2011 CX$_{119}$ | 4 February 2011 | Pan-STARRS (F51) | 218 | other TNO | 41.6 | 0.14 | 28 | 35.6 | 47.6 | — | MPC · JPL |
| 2011 CY$_{119}$ | 4 February 2011 | Pan-STARRS (F51) | 173 | SDO | 62.3 | 0.36 | 22 | 39.6 | 85.0 | — | MPC · JPL |
| 2011 EY$_{90}$ | 11 March 2011 | Pan-STARRS (F51) | 144 | twotino | 47.7 | 0.26 | 8 | 35.3 | 60.0 | — | MPC · JPL |
| 2011 EZ$_{90}$ | 14 March 2011 | Pan-STARRS (F51) | 199 | other TNO | 40.9 | 0.06 | 27 | 38.2 | 43.5 | — | MPC · JPL |
| 2011 GM$_{89}$ | 4 April 2011 | Las Campanas Obs. (304) | 143 | SDO | 52.8 | 0.30 | 17 | 36.7 | 68.8 | — | MPC · JPL |
| 2011 HD$_{103}$ | 28 April 2011 | New Horizons KBO Search (268) | 87 | other TNO | 44.3 | 0.26 | 6 | 33.0 | 55.7 | — | MPC · JPL |
| 2011 HE$_{103}$ | 28 April 2011 | New Horizons KBO Search (268) | 43 | cubewano? | 44.0 | 0.08 | 7 | 40.6 | 47.4 | — | MPC · JPL |
| 2011 HF$_{103}$ | 29 April 2011 | New Horizons KBO Search (268) | 66 | cubewano (cold) | 43.3 | 0.05 | 3 | 41.2 | 45.3 | — | MPC · JPL |
| 2011 HJ$_{103}$ | 28 April 2011 | New Horizons KBO Search (268) | 162 | cubewano (hot) | 46.9 | 0.16 | 5 | 39.3 | 54.6 | — | MPC · JPL |
| 2011 HK$_{103}$ | 28 April 2011 | New Horizons KBO Search (268) | 79 | SDO | 53.8 | 0.32 | 6 | 36.7 | 70.9 | — | MPC · JPL |
| 2011 HL$_{103}$ | 28 April 2011 | New Horizons KBO Search-Magellan/Clay (268) | 95 | res · 3:5 | 42.3 | 0.17 | 15 | 35.2 | 49.5 | — | MPC · JPL |
| 2011 HN$_{104}$ | 30 April 2011 | Pan-STARRS (F51) | 119 | plutino | 39.5 | 0.29 | 18 | 27.9 | 51.1 | — | MPC · JPL |
| 2011 HO$_{60}$ | 26 April 2011 | La Silla Obs. (809) | 208 | res · 2:11 | 94.3 | 0.61 | 22 | 36.7 | 152 | — | MPC · JPL |
| 2011 HP$_{83}$ | 29 April 2011 | La Silla Obs. (809) | 395 | SDO | 52.5 | 0.31 | 29 | 36.2 | 68.8 | — | MPC · JPL |
| 2011 HZ$_{102}$ | 28 April 2011 | New Horizons KBO Search (268) | 48 | cubewano (cold) | 43.5 | 0.01 | 2 | 43.1 | 43.8 | — | MPC · JPL |
| 2011 JA$_{32}$ | 2 May 2011 | New Horizons KBO Search (268) | 36 | cubewano (cold) | 47.0 | 0.14 | 3 | 40.4 | 53.5 | — | MPC · JPL |
| 2011 JD$_{32}$ | 1 May 2011 | New Horizons KBO Search-Magellan/Clay (268) | 69 | SDO | 50.9 | 0.34 | 13 | 33.7 | 68.1 | — | MPC · JPL |
| 2011 JW$_{31}$ | 4 May 2011 | New Horizons KBO Search (268) | 46 | cubewano (cold) | 45.9 | 0.10 | 2 | 41.2 | 50.6 | — | MPC · JPL |
| 2011 JX$_{31}$ | 2 May 2011 | New Horizons KBO Search (268) | 76 | cubewano (cold) | 45.2 | 0.11 | 3 | 40.4 | 50.0 | — | MPC · JPL |
| 2011 JY31 | 4 May 2011 | New Horizons KBO Search (268) | 58 | cubewano (cold) | 44.3 | 0.06 | 3 | 41.5 | 47.1 | — | MPC · JPL |
| 2011 KW48 | 29 May 2011 | New Horizons KBO Search-Subaru (266) | 72 | other TNO | 37.5 | 0.14 | 4 | 32.4 | 42.7 | — | MPC · JPL |
| 2011 LJ$_{29}$ | 6 June 2011 | Pan-STARRS (F51) | 252 | cubewano (cold) | 44.2 | 0.07 | 0 | 40.9 | 47.5 | — | MPC · JPL |
| 2011 MV$_{11}$ | 30 June 2011 | Pan-STARRS (F51) | 220 | SDO | 61.3 | 0.40 | 14 | 36.9 | 85.7 | — | MPC · JPL |
| 2011 OB$_{60}$ | 27 July 2011 | Pan-STARRS (F51) | 157 | SDO | 104 | 0.65 | 19 | 36.7 | 171 | — | MPC · JPL |
| 2011 SW$_{281}$ | 26 September 2011 | Pan-STARRS (F51) | 171 | cubewano (cold) | 47.0 | 0.10 | 5 | 42.3 | 51.7 | — | MPC · JPL |
| 2011 UA$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 65 | plutino | 39.4 | 0.25 | 9 | 29.6 | 49.2 | — | MPC · JPL |
| 2011 UA$_{412}$ | 24 October 2011 | M. Alexandersen (568) | 60 | cubewano (cold) | 46.5 | 0.15 | 3 | 39.4 | 53.6 | — | MPC · JPL |
| 2011 UA$_{413}$ | 26 October 2011 | M. Alexandersen (568) | 66 | res · 3:4 | 36.7 | 0.14 | 5 | 31.7 | 41.7 | — | MPC · JPL |
| 2011 UB$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 119 | plutino? | 39.8 | 0.05 | 15 | 37.9 | 41.7 | — | MPC · JPL |
| 2011 UB$_{412}$ | 24 October 2011 | M. Alexandersen (568) | 90 | cubewano? | 43.7 | 0.06 | 15 | 41.1 | 46.3 | — | MPC · JPL |
| 2011 UC$_{412}$ | 24 October 2011 | M. Alexandersen (568) | 91 | cubewano (cold) | 43.6 | 0.08 | 3 | 40.3 | 46.9 | — | MPC · JPL |
| 2011 UD$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 181 | plutino | 39.3 | 0.29 | 16 | 28.1 | 50.5 | — | MPC · JPL |
| 2011 UD$_{412}$ | 24 October 2011 | M. Alexandersen (568) | 214 | cubewano (hot) | 45.6 | 0.05 | 6 | 43.2 | 48.0 | — | MPC · JPL |
| 2011 UE$_{411}$ | 24 October 2011 | M. Alexandersen (568) | 50 | twotino | 47.8 | 0.32 | 9 | 32.4 | 63.2 | — | MPC · JPL |
| 2011 UE$_{412}$ | 24 October 2011 | M. Alexandersen (568) | 190 | other TNO | 43.7 | 0.11 | 23 | 38.9 | 48.4 | — | MPC · JPL |
| 2011 UF$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 74 | twotino | 48.0 | 0.35 | 6 | 31.3 | 64.7 | — | MPC · JPL |
| 2011 UF$_{412}$ | 24 October 2011 | M. Alexandersen (568) | 76 | cubewano (cold) | 45.3 | 0.01 | 2 | 44.9 | 45.7 | — | MPC · JPL |
| 2011 UG$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 69 | twotino | 48.0 | 0.15 | 11 | 40.9 | 55.1 | — | MPC · JPL |
| 2011 UG$_{412}$ | 26 October 2011 | M. Alexandersen (568) | 96 | cubewano (cold) | 46.7 | 0.16 | 3 | 39.2 | 54.3 | — | MPC · JPL |
| 2011 UH$_{411}$ | 24 October 2011 | M. Alexandersen (568) | 79 | other TNO | 46.4 | 0.24 | 27 | 35.1 | 57.6 | — | MPC · JPL |
| 2011 UH$_{412}$ | 26 October 2011 | M. Alexandersen (568) | 79 | cubewano? | 42.8 | 0.12 | 15 | 37.8 | 47.7 | — | MPC · JPL |
| 2011 UJ$_{411}$ | 24 October 2011 | M. Alexandersen (568) | 76 | res · 3:5 | 42.5 | 0.12 | 5 | 37.3 | 47.7 | — | MPC · JPL |
| 2011 UJ$_{412}$ | 26 October 2011 | M. Alexandersen (568) | 100 | other TNO | 42.2 | 0.03 | 30 | 41.1 | 43.2 | — | MPC · JPL |
| 2011 UJ$_{413}$ | 23 October 2011 | Pan-STARRS (F51) | 165 | SDO | 74.0 | 0.51 | 17 | 36.2 | 112 | — | MPC · JPL |
| 2011 UK$_{412}$ | 26 October 2011 | M. Alexandersen (568) | 109 | other TNO | 40.9 | 0.10 | 26 | 37.0 | 44.9 | — | MPC · JPL |
| 2011 UK$_{413}$ | 25 October 2011 | Pan-STARRS (F51) | 172 | cubewano? | 41.5 | 0.09 | 14 | 37.7 | 45.4 | — | MPC · JPL |
| 2011 UL$_{411}$ | 24 October 2011 | M. Alexandersen (568) | 66 | res · 3:5 | 42.4 | 0.08 | 2 | 39.2 | 45.7 | — | MPC · JPL |
| 2011 UL$_{412}$ | 26 October 2011 | M. Alexandersen (568) | 148 | cubewano (hot) | 43.2 | 0.09 | 10 | 39.6 | 46.9 | — | MPC · JPL |
| 2011 UM$_{411}$ | 24 October 2011 | M. Alexandersen (568) | 125 | res · 3:5 | 42.4 | 0.14 | 9 | 36.4 | 48.4 | — | MPC · JPL |
| 2011 UM$_{412}$ | 26 October 2011 | M. Alexandersen (568) | 102 | cubewano (hot) | 45.6 | 0.14 | 11 | 39.4 | 51.9 | — | MPC · JPL |
| 2011 UN$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 52 | res · 3:5 | 42.6 | 0.21 | 3 | 33.4 | 51.7 | — | MPC · JPL |
| 2011 UN$_{412}$ | 24 October 2011 | M. Alexandersen (568) | 83 | other TNO | 39.1 | 0.05 | 20 | 37.0 | 41.2 | — | MPC · JPL |
| 2011 UO$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 66 | res · 3:5 | 42.5 | 0.21 | 5 | 33.6 | 51.4 | — | MPC · JPL |
| 2011 UO$_{412}$ | 26 October 2011 | M. Alexandersen (568) | 109 | other TNO | 38.2 | 0.13 | 28 | 33.3 | 43.1 | — | MPC · JPL |
| 2011 UP$_{410}$ | 24 October 2011 | M. Alexandersen (568) | 99 | plutino | 39.8 | 0.18 | 3 | 32.7 | 46.9 | — | MPC · JPL |
| 2011 UP$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 76 | res · 1:4 | 76.6 | 0.50 | 13 | 38.5 | 115 | — | MPC · JPL |
| 2011 UP$_{412}$ | 24 October 2011 | M. Alexandersen (568) | 86 | SDO | 56.7 | 0.35 | 20 | 36.9 | 76.5 | — | MPC · JPL |
| 2011 UQ$_{62}$ | 19 October 2011 | Pan-STARRS (F51) | 65 | centaur | 52.8 | 0.72 | 16 | 14.7 | 90.9 | — | MPC · JPL |
| 2011 UQ$_{410}$ | 24 October 2011 | M. Alexandersen (568) | 60 | plutino | 39.6 | 0.27 | 3 | 29.0 | 50.2 | — | MPC · JPL |
| 2011 UQ$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 150 | SDO | 62.4 | 0.40 | 40 | 37.4 | 87.4 | — | MPC · JPL |
| 2011 UQ$_{412}$ | 24 October 2011 | M. Alexandersen (568) | 109 | SDO | 67.9 | 0.49 | 17 | 34.8 | 101 | — | MPC · JPL |
| 2011 UR$_{410}$ | 24 October 2011 | M. Alexandersen (568) | 57 | plutino | 39.5 | 0.27 | 17 | 28.9 | 50.2 | — | MPC · JPL |
| 2011 UR$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 75 | SDO | 62.2 | 0.44 | 27 | 35.1 | 89.3 | — | MPC · JPL |
| 2011 UR$_{412}$ | 26 October 2011 | M. Alexandersen (568) | 66 | SDO | 50.3 | 0.32 | 18 | 34.4 | 66.3 | — | MPC · JPL |
| 2011 US$_{410}$ | 24 October 2011 | M. Alexandersen (568) | 94 | plutino | 39.7 | 0.26 | 12 | 29.5 | 50.0 | — | MPC · JPL |
| 2011 US$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 52 | res · 1:3 | 62.9 | 0.50 | 22 | 31.2 | 94.6 | — | MPC · JPL |
| 2011 US$_{412}$ | 24 October 2011 | M. Alexandersen (568) | 104 | twotino? | 48.1 | 0.16 | 3 | 40.4 | 55.7 | — | MPC · JPL |
| 2011 UT$_{411}$ | 26 October 2011 | M. Alexandersen (568) | 114 | res · 2:5 | 55.8 | 0.40 | 6 | 33.3 | 78.4 | — | MPC · JPL |
| 2011 UT$_{412}$ | 26 October 2011 | M. Alexandersen (568) | 115 | other TNO | 48.4 | 0.18 | 18 | 39.4 | 57.3 | — | MPC · JPL |
| 2011 UU$_{410}$ | 24 October 2011 | M. Alexandersen (568) | 52 | plutino | 39.5 | 0.27 | 13 | 28.9 | 50.0 | — | MPC · JPL |
| 2011 UU$_{411}$ | 24 October 2011 | M. Alexandersen (568) | 87 | cubewano (cold) | 44.1 | 0.03 | 2 | 42.8 | 45.5 | — | MPC · JPL |
| 2011 UU$_{412}$ | 26 October 2011 | Mauna Kea Obs. (568) | 54 | plutino? | 39.3 | 0.17 | 23 | 32.8 | 45.9 | — | MPC · JPL |
| 2011 UV$_{410}$ | 24 October 2011 | M. Alexandersen (568) | 124 | plutino | 39.7 | 0.26 | 4 | 29.2 | 50.1 | — | MPC · JPL |
| 2011 UV$_{411}$ | 24 October 2011 | M. Alexandersen (568) | 76 | cubewano (cold) | 43.6 | 0.07 | 4 | 40.5 | 46.7 | — | MPC · JPL |
| 2011 UV$_{412}$ | 24 October 2011 | Mauna Kea Obs. (568) | 105 | other TNO | 49.0 | 0.30 | 12 | 34.1 | 64.0 | — | MPC · JPL |
| 2011 UW$_{410}$ | 26 October 2011 | M. Alexandersen (568) | 103 | plutino | 39.8 | 0.22 | 11 | 31.0 | 48.6 | — | MPC · JPL |
| 2011 UW$_{411}$ | 24 October 2011 | M. Alexandersen (568) | 69 | cubewano (cold) | 44.0 | 0.17 | 5 | 36.7 | 51.3 | — | MPC · JPL |
| 2011 UW$_{412}$ | 26 October 2011 | Mauna Kea Obs. (568) | 60 | SDO | 79.2 | 0.53 | 13 | 37.4 | 121 | — | MPC · JPL |
| 2011 UX$_{410}$ | 26 October 2011 | M. Alexandersen (568) | 103 | plutino | 39.5 | 0.33 | 18 | 26.6 | 52.4 | — | MPC · JPL |
| 2011 UX$_{411}$ | 24 October 2011 | M. Alexandersen (568) | 102 | cubewano (hot) | 42.6 | 0.10 | 7 | 38.2 | 47.0 | — | MPC · JPL |
| 2011 UX$_{412}$ | 24 October 2011 | Mauna Kea Obs. (568) | 100 | other TNO | 44.4 | 0.08 | 30 | 41.0 | 47.8 | — | MPC · JPL |
| 2011 UY$_{410}$ | 26 October 2011 | M. Alexandersen (568) | 68 | plutino | 39.5 | 0.14 | 9 | 33.9 | 45.1 | — | MPC · JPL |
| 2011 UY$_{411}$ | 24 October 2011 | M. Alexandersen (568) | 92 | cubewano (cold) | 44.4 | 0.06 | 2 | 41.5 | 47.3 | — | MPC · JPL |
| 2011 UY$_{412}$ | 24 October 2011 | Mauna Kea Obs. (568) | 57 | cubewano? | 43.1 | 0.03 | 8 | 41.7 | 44.4 | — | MPC · JPL |
| 2011 UZ$_{410}$ | 26 October 2011 | M. Alexandersen (568) | 103 | plutino | 39.7 | 0.13 | 4 | 34.7 | 44.8 | — | MPC · JPL |
| 2011 UZ$_{411}$ | 24 October 2011 | M. Alexandersen (568) | 92 | cubewano (cold) | 45.8 | 0.06 | 1 | 43.2 | 48.4 | — | MPC · JPL |
| 2011 UZ$_{412}$ | 24 October 2011 | M. Alexandersen (568) | 50 | res · 3:4 | 36.6 | 0.14 | 7 | 31.6 | 41.6 | — | MPC · JPL |
| 2011 VZ$_{24}$ | 5 November 2011 | Pan-STARRS (F51) | 152 | SDO | 51.2 | 0.34 | 23 | 34.0 | 68.4 | — | MPC · JPL |
| 2011 WJ$_{157}$ | 25 November 2011 | Pan-STARRS (F51) | 372 | res · 1:6 | 97.9 | 0.62 | 27 | 37.4 | 158 | — | MPC · JPL |