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. ^{[1] [2] [3]} For more information see the description on the main page. Also see list for the previous and next year .

2011

Main article: 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)
2011 BN170	30 January 2011	Pan-STARRS ( F51 )	167	SDO	70.1	0.50	13	34.9	105	—	MPC  · JPL
2011 BO170	30 January 2011	Pan-STARRS (F51)	142	cubewano?	46.1	0.19	15	37.5	54.8	—	MPC  · JPL
2011 BP170	30 January 2011	Pan-STARRS (F51)	173	res  · 1:5	86.8	0.60	23	35.1	139	—	MPC  · JPL
2011 BR163	27 January 2011	Pan-STARRS (F51)	227	SDO	95.9	0.60	25	37.9	154	—	MPC  · JPL
2011 BS163	30 January 2011	Pan-STARRS (F51)	172	cubewano (cold)	43.5	0.06	5	41.0	45.9	—	MPC  · JPL
2011 BT163	30 January 2011	Pan-STARRS (F51)	228	res  · 5:12	53.6	0.34	33	35.6	71.6	—	MPC  · JPL
2011 BU163	30 January 2011	Pan-STARRS (F51)	157	SDO	57.1	0.38	22	35.7	78.5	—	MPC  · JPL
2011 CW119	2 February 2011	Pan-STARRS (F51)	120	res  · 3:7	52.5	0.36	20	33.4	71.5	—	MPC  · JPL
2011 CX119	4 February 2011	Pan-STARRS (F51)	218	other TNO	41.6	0.14	28	35.6	47.6	—	MPC  · JPL
2011 CY119	4 February 2011	Pan-STARRS (F51)	173	SDO	62.3	0.36	22	39.6	85.0	—	MPC  · JPL
2011 EY90	11 March 2011	Pan-STARRS (F51)	144	twotino	47.7	0.26	8	35.3	60.0	—	MPC  · JPL
2011 EZ90	14 March 2011	Pan-STARRS (F51)	199	other TNO	40.9	0.06	27	38.2	43.5	—	MPC  · JPL
2011 GM89	4 April 2011	Las Campanas Obs. ( 304 )	143	SDO	52.8	0.30	17	36.7	68.8	—	MPC  · JPL
2011 HD103	28 April 2011	New Horizons KBO Search ( 268 )	87	other TNO	44.3	0.26	6	33.0	55.7	—	MPC  · JPL
2011 HE103	28 April 2011	New Horizons KBO Search (268)	43	cubewano?	44.0	0.08	7	40.6	47.4	—	MPC  · JPL
2011 HF103	29 April 2011	New Horizons KBO Search (268)	66	cubewano (cold)	43.3	0.05	3	41.2	45.3	—	MPC  · JPL
2011 HJ103	28 April 2011	New Horizons KBO Search (268)	162	cubewano (hot)	46.9	0.16	5	39.3	54.6	—	MPC  · JPL
2011 HK103	28 April 2011	New Horizons KBO Search (268)	79	SDO	53.8	0.32	6	36.7	70.9	—	MPC  · JPL
2011 HL103	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 HN104	30 April 2011	Pan-STARRS ( F51 )	119	plutino	39.5	0.29	18	27.9	51.1	—	MPC  · JPL
2011 HO60	26 April 2011	La Silla Obs. ( 809 )	208	res  · 2:11	94.3	0.61	22	36.7	152	—	MPC  · JPL
2011 HP83	29 April 2011	La Silla Obs. (809)	395	SDO	52.5	0.31	29	36.2	68.8	—	MPC  · JPL
2011 HZ102	28 April 2011	New Horizons KBO Search ( 268 )	48	cubewano (cold)	43.5	0.01	2	43.1	43.8	—	MPC  · JPL
2011 JA32	2 May 2011	New Horizons KBO Search (268)	36	cubewano (cold)	47.0	0.14	3	40.4	53.5	—	MPC  · JPL
2011 JD32	1 May 2011	New Horizons KBO Search-Magellan/Clay (268)	69	SDO	50.9	0.34	13	33.7	68.1	—	MPC  · JPL
2011 JW31	4 May 2011	New Horizons KBO Search (268)	46	cubewano (cold)	45.9	0.10	2	41.2	50.6	—	MPC  · JPL
2011 JX31	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 LJ29	6 June 2011	Pan-STARRS ( F51 )	252	cubewano (cold)	44.2	0.07	0	40.9	47.5	—	MPC  · JPL
2011 MV11	30 June 2011	Pan-STARRS (F51)	220	SDO	61.3	0.40	14	36.9	85.7	—	MPC  · JPL
2011 OB60	27 July 2011	Pan-STARRS (F51)	157	SDO	104	0.65	19	36.7	171	—	MPC  · JPL
2011 SW281	26 September 2011	Pan-STARRS (F51)	171	cubewano (cold)	47.0	0.10	5	42.3	51.7	—	MPC  · JPL
2011 UA411	26 October 2011	M. Alexandersen ( 568 )	65	plutino	39.4	0.25	9	29.6	49.2	—	MPC  · JPL
2011 UA412	24 October 2011	M. Alexandersen (568)	60	cubewano (cold)	46.5	0.15	3	39.4	53.6	—	MPC  · JPL
2011 UA413	26 October 2011	M. Alexandersen (568)	66	res  · 3:4	36.7	0.14	5	31.7	41.7	—	MPC  · JPL
2011 UB411	26 October 2011	M. Alexandersen (568)	119	plutino?	39.8	0.05	15	37.9	41.7	—	MPC  · JPL
2011 UB412	24 October 2011	M. Alexandersen (568)	90	cubewano?	43.7	0.06	15	41.1	46.3	—	MPC  · JPL
2011 UC412	24 October 2011	M. Alexandersen (568)	91	cubewano (cold)	43.6	0.08	3	40.3	46.9	—	MPC  · JPL
2011 UD411	26 October 2011	M. Alexandersen (568)	181	plutino	39.3	0.29	16	28.1	50.5	—	MPC  · JPL
2011 UD412	24 October 2011	M. Alexandersen (568)	214	cubewano (hot)	45.6	0.05	6	43.2	48.0	—	MPC  · JPL
2011 UE411	24 October 2011	M. Alexandersen (568)	50	twotino	47.8	0.32	9	32.4	63.2	—	MPC  · JPL
2011 UE412	24 October 2011	M. Alexandersen (568)	190	other TNO	43.7	0.11	23	38.9	48.4	—	MPC  · JPL
2011 UF411	26 October 2011	M. Alexandersen (568)	74	twotino	48.0	0.35	6	31.3	64.7	—	MPC  · JPL
2011 UF412	24 October 2011	M. Alexandersen (568)	76	cubewano (cold)	45.3	0.01	2	44.9	45.7	—	MPC  · JPL
2011 UG411	26 October 2011	M. Alexandersen (568)	69	twotino	48.0	0.15	11	40.9	55.1	—	MPC  · JPL
2011 UG412	26 October 2011	M. Alexandersen (568)	96	cubewano (cold)	46.7	0.16	3	39.2	54.3	—	MPC  · JPL
2011 UH411	24 October 2011	M. Alexandersen (568)	79	other TNO	46.4	0.24	27	35.1	57.6	—	MPC  · JPL
2011 UH412	26 October 2011	M. Alexandersen (568)	79	cubewano?	42.8	0.12	15	37.8	47.7	—	MPC  · JPL
2011 UJ411	24 October 2011	M. Alexandersen (568)	76	res  · 3:5	42.5	0.12	5	37.3	47.7	—	MPC  · JPL
2011 UJ412	26 October 2011	M. Alexandersen (568)	100	other TNO	42.2	0.03	30	41.1	43.2	—	MPC  · JPL
2011 UJ413	23 October 2011	Pan-STARRS ( F51 )	165	SDO	74.0	0.51	17	36.2	112	—	MPC  · JPL
2011 UK412	26 October 2011	M. Alexandersen ( 568 )	109	other TNO	40.9	0.10	26	37.0	44.9	—	MPC  · JPL
2011 UK413	25 October 2011	Pan-STARRS ( F51 )	172	cubewano?	41.5	0.09	14	37.7	45.4	—	MPC  · JPL
2011 UL411	24 October 2011	M. Alexandersen ( 568 )	66	res  · 3:5	42.4	0.08	2	39.2	45.7	—	MPC  · JPL
2011 UL412	26 October 2011	M. Alexandersen (568)	148	cubewano (hot)	43.2	0.09	10	39.6	46.9	—	MPC  · JPL
2011 UM411	24 October 2011	M. Alexandersen (568)	125	res  · 3:5	42.4	0.14	9	36.4	48.4	—	MPC  · JPL
2011 UM412	26 October 2011	M. Alexandersen (568)	102	cubewano (hot)	45.6	0.14	11	39.4	51.9	—	MPC  · JPL
2011 UN411	26 October 2011	M. Alexandersen (568)	52	res  · 3:5	42.6	0.21	3	33.4	51.7	—	MPC  · JPL
2011 UN412	24 October 2011	M. Alexandersen (568)	83	other TNO	39.1	0.05	20	37.0	41.2	—	MPC  · JPL
2011 UO411	26 October 2011	M. Alexandersen (568)	66	res  · 3:5	42.5	0.21	5	33.6	51.4	—	MPC  · JPL
2011 UO412	26 October 2011	M. Alexandersen (568)	109	other TNO	38.2	0.13	28	33.3	43.1	—	MPC  · JPL
2011 UP410	24 October 2011	M. Alexandersen (568)	99	plutino	39.8	0.18	3	32.7	46.9	—	MPC  · JPL
2011 UP411	26 October 2011	M. Alexandersen (568)	76	res  · 1:4	76.6	0.50	13	38.5	115	—	MPC  · JPL
2011 UP412	24 October 2011	M. Alexandersen (568)	86	SDO	56.7	0.35	20	36.9	76.5	—	MPC  · JPL
2011 UQ62	19 October 2011	Pan-STARRS ( F51 )	65	centaur	52.8	0.72	16	14.7	90.9	—	MPC  · JPL
2011 UQ410	24 October 2011	M. Alexandersen ( 568 )	60	plutino	39.6	0.27	3	29.0	50.2	—	MPC  · JPL
2011 UQ411	26 October 2011	M. Alexandersen (568)	150	SDO	62.4	0.40	40	37.4	87.4	—	MPC  · JPL
2011 UQ412	24 October 2011	M. Alexandersen (568)	109	SDO	67.9	0.49	17	34.8	101	—	MPC  · JPL
2011 UR410	24 October 2011	M. Alexandersen (568)	57	plutino	39.5	0.27	17	28.9	50.2	—	MPC  · JPL
2011 UR411	26 October 2011	M. Alexandersen (568)	75	SDO	62.2	0.44	27	35.1	89.3	—	MPC  · JPL
2011 UR412	26 October 2011	M. Alexandersen (568)	66	SDO	50.3	0.32	18	34.4	66.3	—	MPC  · JPL
2011 US410	24 October 2011	M. Alexandersen (568)	94	plutino	39.7	0.26	12	29.5	50.0	—	MPC  · JPL
2011 US411	26 October 2011	M. Alexandersen (568)	52	res  · 1:3	62.9	0.50	22	31.2	94.6	—	MPC  · JPL
2011 US412	24 October 2011	M. Alexandersen (568)	104	twotino?	48.1	0.16	3	40.4	55.7	—	MPC  · JPL
2011 UT411	26 October 2011	M. Alexandersen (568)	114	res  · 2:5	55.8	0.40	6	33.3	78.4	—	MPC  · JPL
2011 UT412	26 October 2011	M. Alexandersen (568)	115	other TNO	48.4	0.18	18	39.4	57.3	—	MPC  · JPL
2011 UU410	24 October 2011	M. Alexandersen (568)	52	plutino	39.5	0.27	13	28.9	50.0	—	MPC  · JPL
2011 UU411	24 October 2011	M. Alexandersen (568)	87	cubewano (cold)	44.1	0.03	2	42.8	45.5	—	MPC  · JPL
2011 UU412	26 October 2011	Mauna Kea Obs. (568)	54	plutino?	39.3	0.17	23	32.8	45.9	—	MPC  · JPL
2011 UV410	24 October 2011	M. Alexandersen (568)	124	plutino	39.7	0.26	4	29.2	50.1	—	MPC  · JPL
2011 UV411	24 October 2011	M. Alexandersen (568)	76	cubewano (cold)	43.6	0.07	4	40.5	46.7	—	MPC  · JPL
2011 UV412	24 October 2011	Mauna Kea Obs. (568)	105	other TNO	49.0	0.30	12	34.1	64.0	—	MPC  · JPL
2011 UW410	26 October 2011	M. Alexandersen (568)	103	plutino	39.8	0.22	11	31.0	48.6	—	MPC  · JPL
2011 UW411	24 October 2011	M. Alexandersen (568)	69	cubewano (cold)	44.0	0.17	5	36.7	51.3	—	MPC  · JPL
2011 UW412	26 October 2011	Mauna Kea Obs. (568)	60	SDO	79.2	0.53	13	37.4	121	—	MPC  · JPL
2011 UX410	26 October 2011	M. Alexandersen (568)	103	plutino	39.5	0.33	18	26.6	52.4	—	MPC  · JPL
2011 UX411	24 October 2011	M. Alexandersen (568)	102	cubewano (hot)	42.6	0.10	7	38.2	47.0	—	MPC  · JPL
2011 UX412	24 October 2011	Mauna Kea Obs. (568)	100	other TNO	44.4	0.08	30	41.0	47.8	—	MPC  · JPL
2011 UY410	26 October 2011	M. Alexandersen (568)	68	plutino	39.5	0.14	9	33.9	45.1	—	MPC  · JPL
2011 UY411	24 October 2011	M. Alexandersen (568)	92	cubewano (cold)	44.4	0.06	2	41.5	47.3	—	MPC  · JPL
2011 UY412	24 October 2011	Mauna Kea Obs. (568)	57	cubewano?	43.1	0.03	8	41.7	44.4	—	MPC  · JPL
2011 UZ410	26 October 2011	M. Alexandersen (568)	103	plutino	39.7	0.13	4	34.7	44.8	—	MPC  · JPL
2011 UZ411	24 October 2011	M. Alexandersen (568)	92	cubewano (cold)	45.8	0.06	1	43.2	48.4	—	MPC  · JPL
2011 UZ412	24 October 2011	M. Alexandersen (568)	50	res  · 3:4	36.6	0.14	7	31.6	41.6	—	MPC  · JPL
2011 VZ24	5 November 2011	Pan-STARRS ( F51 )	152	SDO	51.2	0.34	23	34.0	68.4	—	MPC  · JPL
2011 WJ157	25 November 2011	Pan-STARRS (F51)	372	res  · 1:6	97.9	0.62	27	37.4	158	—	MPC  · JPL

back to top

References

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