List of unnumbered trans-Neptunian objects: 2005

Last updated May 11, 2024

The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2005. As of April 2022, it contains a total of 67 bodies.^[1]^[2]^[3] For more information see the description on the main page. Also see list for the previous and next year .

2005

Designation	First Observed (discovered)		D (km)	Orbital description						Remarks	Refs
Designation	Date	Observer (Site)	D (km)	Class	a (AU)	e	i (°)	q (AU)	Q (AU)	Remarks	Refs
2005 BV₄₉	16 January 2005	B. Gladman ( 568 )	209	cubewano (hot)	43.4	0.04	8	41.7	45.1	—	MPC · JPL
2005 BW₄₉	16 January 2005	B. Gladman (568)	159	cubewano (cold)	43.8	0.07	2	40.6	47.0	binary: 123 km	MPC · JPL
2005 CD₈₁	10 February 2005	CFEPS (568)	184	plutino	39.1	0.16	21	33.0	45.2	—	MPC · JPL
2005 CE₈₁	10 February 2005	B. Gladman (568)	80	cubewano (cold)	42.4	0.04	3	40.7	44.2	binary: 76 km	MPC · JPL
2005 CF₈₁	10 February 2005	CFEPS (568)	79	res · 3:4	36.3	0.06	0	34.1	38.4	—	MPC · JPL
2005 CG₈₁	10 February 2005	CFEPS (568)	218	other TNO	53.5	0.23	26	41.0	65.9	—	MPC · JPL
2005 EB₃₁₈	9 March 2005	M. W. Buie ( 695 )	157	cubewano?	44.9	0.14	5	38.6	51.3	—	MPC · JPL
2005 EC₃₁₈	11 March 2005	M. W. Buie (695)	179	cubewano (cold)	43.5	0.04	3	41.8	45.1	—	MPC · JPL
2005 ED₃₀₀	11 March 2005	Kitt Peak Obs. (695)	125	cubewano?	43.9	0.08	2	40.4	47.5	—	MPC · JPL
2005 EE₂₉₆	9 March 2005	M. W. Buie (695)	152	cubewano (cold)	43.9	0.07	3	40.8	47.0	—	MPC · JPL
2005 EF₃₀₄	11 March 2005	M. W. Buie (695)	131	SDO	85.9	0.55	19	38.5	133	—	MPC · JPL
2005 EH₃₀₅	11 March 2005	Kitt Peak Obs. (695)	180	cubewano?	44.1	0.09	8	40.1	48.0	—	MPC · JPL
2005 EJ₃₀₀	11 March 2005	Kitt Peak Obs. (695)	105	other TNO	43.1	0.00	22	43.1	43.1	—	MPC · JPL
2005 EK₂₉₈	11 March 2005	Kitt Peak Obs. (695)	150	plutino?	39.6	0.13	40	34.4	44.7	—	MPC · JPL
2005 EM₃₀₃	11 March 2005	M. W. Buie (695)	155	cubewano (hot)	43.4	0.02	6	42.7	44.2	—	MPC · JPL
2005 EO₂₉₆	9 March 2005	Kitt Peak Obs. (695)	172	cubewano?	45.1	0.09	1	41.2	49.1	—	MPC · JPL
2005 EP₂₉₆	9 March 2005	Kitt Peak Obs. (695)	125	cubewano?	46.8	0.00	3	46.8	46.8	—	MPC · JPL
2005 EW₃₁₈	8 March 2005	H. G. Roe M. E. Brown K. M. Barkume ( 675 )	200	cubewano (cold)	44.3	0.08	1	40.8	47.7	—	MPC · JPL
2005 EX₃₁₈	8 March 2005	H. G. Roe M. E. Brown K. M. Barkume (675)	188	plutino	39.4	0.22	7	30.7	48.0	—	MPC · JPL
2005 GA₁₈₇	10 April 2005	M. W. Buie ( 695 )	150	plutino	39.4	0.22	19	30.8	48.1	—	MPC · JPL
2005 GC₁₈₇	10 April 2005	M. W. Buie (695)	121	cubewano (cold)	44.1	0.12	2	38.7	49.5	—	MPC · JPL
2005 GD₁₈₇	12 April 2005	M. W. Buie (695)	89	cubewano (cold)	42.8	0.03	1	41.7	43.9	binary: 74 km	MPC · JPL
2005 GF₁₈₇	12 April 2005	M. W. Buie (695)	108	plutino	39.6	0.26	4	29.4	49.8	—	MPC · JPL
2005 GH₂₂₈	5 April 2005	CFEPS ( 568 )	111	centaur	36.4	0.18	17	29.8	43.1	—	MPC · JPL
2005 GV₂₁₀	12 April 2005	M. W. Buie ( 695 )	226	plutino	39.1	0.17	12	32.4	45.8	—	MPC · JPL
2005 GW₁₈₆	10 April 2005	Kitt Peak Obs. (695)	150	cubewano?	43.2	0.15	3	36.9	49.5	—	MPC · JPL
2005 GW₂₁₀	12 April 2005	Kitt Peak Obs. (695)	150	plutino?	39.7	0.27	25	28.9	50.4	—	MPC · JPL
2005 GX₁₈₆	10 April 2005	M. W. Buie (695)	118	cubewano (cold)	43.7	0.02	4	43.0	44.5	—	MPC · JPL
2005 GX₂₀₆	11 April 2005	H. G. Roe M. E. Brown K. M. Barkume ( 675 )	131	res · 2:7	68.9	0.52	9	33.1	105	—	MPC · JPL
2005 GY₁₈₆	10 April 2005	Kitt Peak Obs. ( 695 )	114	cubewano?	43.1	0.11	13	38.3	47.9	—	MPC · JPL
2005 GY₂₀₆	11 April 2005	Palomar Obs. ( 675 )	136	plutino?	39.7	0.12	20	34.8	44.6	—	MPC · JPL
2005 GZ₁₈₆	10 April 2005	Kitt Peak Obs. ( 695 )	137	cubewano?	43.8	0.13	8	38.2	49.5	—	MPC · JPL
2005 GZ₂₀₆	13 April 2005	Palomar Obs. ( 675 )	151	other TNO	44.7	0.11	27	39.7	49.7	—	MPC · JPL
2005 JA₁₈₆	14 May 2005	Mauna Kea Obs. ( 568 )	125	cubewano?	45.8	0.04	4	44.0	47.5	—	MPC · JPL
2005 JB₁₈₆	14 May 2005	P. A. Wiegert A. Papadimos (568)	120	other TNO	41.6	0.11	20	37.1	46.2	—	MPC · JPL
2005 JH₁₇₇	11 May 2005	M. W. Buie ( 807 )	132	cubewano (cold)	44.5	0.09	3	40.4	48.5	—	MPC · JPL
2005 JJ₁₈₆	12 May 2005	B. Gladman ( 568 )	159	cubewano (cold)	44.9	0.10	4	40.4	49.3	—	MPC · JPL
2005 JK₁₈₆	12 May 2005	CFEPS (568)	173	twotino?	47.6	0.25	27	35.7	59.5	—	MPC · JPL
2005 JO₁₇₉	10 May 2005	Cerro Tololo Obs. ( 807 )	157	cubewano?	43.6	0.05	2	41.5	45.7	—	MPC · JPL
2005 JQ₁₇₉	11 May 2005	Cerro Tololo Obs. (807)	189	cubewano?	42.6	0.03	3	41.3	44.0	—	MPC · JPL
2005 JY₁₈₅	12 May 2005	P. A. Wiegert A. Papadimos ( 568 )	145	cubewano (cold)	44.2	0.06	2	41.4	47.0	—	MPC · JPL
2005 JZ₁₇₄	9 May 2005	M. W. Buie ( 807 )	235	cubewano (hot)	42.6	0.08	7	39.4	45.8	—	MPC · JPL
2005 LA₅₄	10 June 2005	B. Gladman ( 568 )	257	cubewano (hot)	44.5	0.07	8	41.3	47.6	—	MPC · JPL
2005 LB₅₄	10 June 2005	B. Gladman (568)	230	cubewano (cold)	43.8	0.05	3	41.6	46.0	—	MPC · JPL
2005 LC₅₄	10 June 2005	CFEPS (568)	173	SDO	68.1	0.47	22	36.1	100.0	—	MPC · JPL
2005 NU₁₂₅	7 July 2005	P. A. Wiegert A. M. Gilbert (568)	185	SDO	82.2	0.52	37	39.8	125	—	MPC · JPL
2005 NV₁₂₅	7 July 2005	P. A. Wiegert A. M. Gilbert (568)	203	other TNO	44.2	0.23	13	34.1	54.3	—	MPC · JPL
2005 PD₂₃	2 August 2005	Mauna Kea Obs. (568)	68	cubewano?	44.1	0.01	1	43.5	44.6	—	MPC · JPL
2005 PE₂₃	2 August 2005	Mauna Kea Obs. (568)	33	other TNO	43.8	0.04	21	42.0	45.6	—	MPC · JPL
2005 PF₂₃	2 August 2005	Mauna Kea Obs. (568)	39	cubewano?	44.9	0.08	1	41.1	48.7	—	MPC · JPL
2005 PG₂₃	2 August 2005	Mauna Kea Obs. (568)	47	cubewano?	45.9	0.18	2	37.5	54.2	—	MPC · JPL
2005 PH₂₃	2 August 2005	Mauna Kea Obs. (568)	52	cubewano?	44.1	0.06	4	41.6	46.6	—	MPC · JPL
2005 PK₂₁	8 August 2005	Cerro Tololo Obs. ( 807 )	137	cubewano?	44.3	0.09	4	40.5	48.1	—	MPC · JPL
2005 PL₂₁	8 August 2005	Cerro Tololo Obs. (807)	159	cubewano (cold)	46.9	0.15	5	39.9	54.0	—	MPC · JPL
2005 PM₂₁	8 August 2005	Cerro Tololo Obs. (807)	199	other TNO	43.7	0.14	29	37.8	49.6	—	MPC · JPL
2005 PN₂₁	8 August 2005	Cerro Tololo Obs. (807)	189	cubewano?	45.7	0.00	3	45.7	45.7	—	MPC · JPL
2005 PO₂₁	8 August 2005	Cerro Tololo Obs. (807)	143	cubewano?	43.3	0.00	3	43.3	43.3	—	MPC · JPL
2005 PP₂₁	8 August 2005	Cerro Tololo Obs. (807)	172	cubewano?	45.5	0.09	2	41.5	49.5	—	MPC · JPL
2005 PS₂₁	9 August 2005	Cerro Tololo Obs. (807)	155	cubewano (cold)	44.8	0.08	3	41.2	48.4	—	MPC · JPL
2005 PT₂₁	9 August 2005	Cerro Tololo Obs. (807)	138	SDO	76.0	0.53	8	36.0	116	—	MPC · JPL
2005 RH52	3 September 2005	CFEPS ( 568 )	123	SDO	160	0.76	20	39.0	281	ETNO	MPC · JPL
2005 TV₁₈₉	3 October 2005	Palomar Obs. ( 675 )	150	plutino	39.3	0.19	34	31.9	46.7	—	MPC · JPL
2005 VA₁₂₃	2 November 2005	Kitt Peak Obs. ( 695 )	164	plutino	39.5	0.25	2	29.5	49.6	—	MPC · JPL
2005 VZ₁₂₂	2 November 2005	Kitt Peak Obs. (695)	127	res · 5:8	41.2	0.18	12	33.8	48.7	binary: 59 km	MPC · JPL
2005 XN₁₁₃	2 December 2005	M. W. Buie (695)	181	res · 2:5	55.3	0.40	3	33.0	77.6	—	MPC · JPL
2005 YL₂₉₂	24 December 2005	Mauna Kea Obs. ( 568 )	68	cubewano?	44.7	0.15	5	38.0	51.4	—	MPC · JPL
2005 YM₂₉₂	24 December 2005	Mauna Kea Obs. (568)	138	other TNO	46.0	0.02	28	45.0	47.0	—	MPC · JPL

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References

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

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[MPC-List-TNOs-1] "List Of Transneptunian Objects". Minor Planet Center. 16 April 2022. Retrieved 16 April 2022.

[MPC-List-Cen-and-SDO-2] "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. 16 April 2022. Retrieved 16 April 2022.

[TNO-list-Johnstons-3] "List of Known Trans-Neptunian Objects". Johnston's Archive. 2 January 2022. Retrieved 16 April 2022.

[1]

[2]

[3]

v t e Trans-Neptunian objects
TNO classes	Cubewanos Scattered-disc objects Detached objects Resonant objects Neptune trojans Plutinos Twotinos TNO moons
Dwarf planets (moons)	Orcus Vanth Pluto Charon Styx Nix Kerberos Hydra Haumea Namaka Hiʻiaka Ring Quaoar Weywot Rings Makemake MK2 Gonggong Xiangliu Eris Dysnomia Sedna
Sednoids	90377 Sedna 2012 VP113 541132 Leleākūhonua 2021 RR205