List of unnumbered trans-Neptunian objects: 2004

The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2004. As of April 2026^[update], it contains a total of 142 bodies.^[1]^[2]^[3]^[4] For more information see the description on the main page. Also see list for the previous and next year.

[1]

[2]

[3]

[4]

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
2004 BZ₁₅₉	21 January 2004	Cerro Paranal (309)	0.9	damocloid	45.2	0.96	4	1.9	88.5	—	MPC · JPL
2004 CM₁₁₁	13 February 2004	Steward Obs. Kitt Peak (691)	8	centaur	33.18	0.8	4.66	4.9	61.4	—	MPC · JPL
2004 DF₇₇	27 February 2004	Kitt Peak Obs. (695)	120	other TNO	43.4	0.00	44	43.4	43.4	—	MPC · JPL
2004 DG₆₄	22 February 2004	Kitt Peak Obs. (695)	99	cubewano?	43.0	0.02	3	42.1	44.0	—	MPC · JPL
2004 DG₇₇	27 February 2004	M. W. Buie (695)	144	other TNO	43.7	0.13	48	38.0	49.4	—	MPC · JPL
2004 DH₆₄	26 February 2004	M. W. Buie (695)	220	cubewano (cold)	46.2	0.10	4	41.7	50.7	—	MPC · JPL
2004 DK₆₄	26 February 2004	Kitt Peak Obs. (695)	138	other TNO	43.6	0.10	19	39.3	48.0	—	MPC · JPL
2004 DK₇₁	27 February 2004	Kitt Peak Obs. (695)	119	cubewano?	44.3	0.09	6	40.4	48.3	—	MPC · JPL
2004 DL₆₄	26 February 2004	Kitt Peak Obs. (695)	137	cubewano?	45.4	0.06	1	42.7	48.0	—	MPC · JPL
2004 DL₇₁	27 February 2004	Kitt Peak Obs. (695)	130	cubewano?	44.2	0.00	2	44.2	44.2	—	MPC · JPL
2004 DM₆₄	26 February 2004	M. W. Buie (695)	132	cubewano (cold)	44.8	0.13	4	38.8	50.8	—	MPC · JPL
2004 DM₇₁	27 February 2004	M. W. Buie (695)	110	cubewano (cold)	42.9	0.04	2	41.3	44.5	—	MPC · JPL
2004 DN₆₄	26 February 2004	Kitt Peak Obs. (695)	100	cubewano (cold)	43.8	0.04	2	42.1	45.5	—	MPC · JPL
2004 EG₉₆	14 March 2004	M. W. Buie (695)	86	res · 2:5	55.5	0.42	16	32.1	79.0	BR-mag: 1.39; taxonomy: BR-IR	MPC · JPL
2004 EJ₉₆	15 March 2004	M. W. Buie (695)	119	plutino	39.5	0.24	9	30.0	49.0	—	MPC · JPL
2004 EO₉₅	14 March 2004	Kitt Peak Obs. (695)	207	cubewano?	43.7	0.04	3	42.0	45.5	—	MPC · JPL
2004 EP₉₅	14 March 2004	M. W. Buie (695)	195	cubewano (hot)	43.5	0.04	10	41.9	45.1	—	MPC · JPL
2004 EQ₉₅	15 March 2004	Kitt Peak Obs. (695)	114	cubewano?	44.7	0.06	6	41.9	47.4	—	MPC · JPL
2004 ER₉₅	15 March 2004	Kitt Peak Obs. (695)	189	cubewano?	44.5	0.16	3	37.4	51.6	—	MPC · JPL
2004 ES₉₅	15 March 2004	M. W. Buie (695)	145	cubewano (cold)	45.2	0.14	4	38.9	51.5	—	MPC · JPL
2004 ET₉₅	15 March 2004	Kitt Peak Obs. (695)	119	cubewano?	43.8	0.04	2	42.1	45.5	—	MPC · JPL
2004 EV₉₅	15 March 2004	M. W. Buie (695)	143	plutino	39.4	0.18	12	32.1	46.7	—	MPC · JPL
2004 FW₁₆₄	20 March 2004	Mauna Kea Obs. (568)	113	plutino	39.4	0.15	9	33.3	45.6	—	MPC · JPL
2004 HA₇₉	26 April 2004	CFEPS (568)	172	plutino	39.2	0.24	23	29.7	48.8	—	MPC · JPL
2004 HB₇₉	26 April 2004	CFEPS (568)	86	plutino	39.3	0.23	3	30.3	48.4	—	MPC · JPL
2004 HC₇₉	22 April 2004	B. Gladman (568)	126	cubewano (cold)	46.5	0.16	1	39.0	54.0	—	MPC · JPL
2004 HD₇₉	22 April 2004	B. Gladman (568)	183	cubewano (cold)	46.0	0.03	1	44.5	47.5	binary: 156 km	MPC · JPL
2004 HE₇₉	24 April 2004	B. Gladman (568)	115	cubewano (cold)	44.4	0.10	3	40.0	48.7	—	MPC · JPL
2004 HG₇₉	24 April 2004	B. Gladman (568)	139	cubewano (cold)	44.3	0.03	4	43.2	45.4	—	MPC · JPL
2004 HH₇₉	24 April 2004	B. Gladman (568)	204	cubewano (hot)	43.4	0.06	9	40.6	46.1	—	MPC · JPL
2004 HK₇₉	26 April 2004	B. Gladman (568)	98	cubewano (cold)	43.9	0.08	2	40.4	47.4	binary: 98 km	MPC · JPL
2004 HL₇₉	26 April 2004	B. Gladman (568)	132	other TNO	42.1	0.07	17	39.1	45.0	—	MPC · JPL
2004 HM₇₉	26 April 2004	CFEPS (568)	114	res · 3:4	36.4	0.08	1	33.5	39.3	BR-mag: 1.29; taxonomy: BR	MPC · JPL
2004 HO₇₉	22 April 2004	CFEPS (568)	125	res · 2:5	55.2	0.41	6	32.6	77.8	BR-mag: 1.52; taxonomy: IR-RR	MPC · JPL
2004 HP₇₉										Not in Johnston's Archive	MPC · JPL
2004 HQ₇₉	26 April 2004	CFEPS (568)	104	SDO	63.2	0.42	7	36.6	89.9	—	MPC · JPL
2004 HX₇₈	24 April 2004	CFEPS (568)	130	plutino	39.6	0.15	16	33.4	45.7	—	MPC · JPL
2004 HY₇₈	26 April 2004	CFEPS (568)	103	plutino	39.3	0.20	13	31.6	47.0	—	MPC · JPL
2004 HZ₇₈	26 April 2004	CFEPS (568)	164	plutino	39.6	0.15	13	33.6	45.6	—	MPC · JPL
2004 KB₁₉	24 May 2004	CFEPS (568)	114	plutino	39.6	0.22	17	30.8	48.5	binary: 108 km	MPC · JPL
2004 KC₁₉	24 May 2004	CFEPS (568)	108	plutino	39.5	0.24	6	30.0	48.9	—	MPC · JPL
2004 KD₁₉	24 May 2004	B. Gladman (568)	138	other TNO	38.4	0.01	2	37.8	38.9	—	MPC · JPL
2004 KE₁₉	24 May 2004	B. Gladman (568)	174	cubewano (cold)	44.4	0.05	1	42.3	46.5	binary: 129 km	MPC · JPL
2004 KF₁₉	24 May 2004	B. Gladman (568)	139	cubewano (cold)	44.2	0.07	0	41.3	47.1	—	MPC · JPL
2004 KG₁₉	24 May 2004	B. Gladman (568)	110	cubewano (cold)	43.3	0.02	1	42.4	44.3	—	MPC · JPL
2004 KH₁₉	24 May 2004	B. Gladman (568)	218	other TNO	40.8	0.11	35	36.1	45.5	binary: 135 km	MPC · JPL
2004 KJ₁₉	24 May 2004	B. Gladman (568)	158	other TNO	47.2	0.24	24	35.9	58.6	—	MPC · JPL
2004 KK₁₉	24 May 2004	CFEPS (568)	125	cubewano?	42.4	0.14	5	36.5	48.4	—	MPC · JPL
2004 KL₁₉	24 May 2004	CFEPS (568)	66	twotino	47.9	0.33	6	32.3	63.5	—	MPC · JPL
2004 KM₁₉	24 May 2004	CFEPS (568)	83	twotino	47.9	0.29	2	33.9	62.0	—	MPC · JPL
2004 KV18	24 May 2004	P. A. Wiegert (568)	92	centaur	30.3	0.18	14	24.7	35.8	—	MPC · JPL
2004 KZ₁₈	24 May 2004	P. A. Wiegert A. Papadimos (568)	76	res · 2:5	55.7	0.39	23	34.3	77.2	—	MPC · JPL
2004 LA₃₃	9 June 2004	Mauna Kea Obs. (568)	123	centaur	38.0	0.02	7	37.1	38.9	—	MPC · JPL
2004 LB₃₃	9 June 2004	Mauna Kea Obs. (568)	111	centaur	33.1	0.22	5	25.7	40.5	—	MPC · JPL
2004 LC₃₃	9 June 2004	Mauna Kea Obs. (568)	109	other TNO	43.2	0.09	38	39.3	47.1	—	MPC · JPL
2004 LD₃₃	9 June 2004	Mauna Kea Obs. (568)	94	plutino?	39.2	0.20	15	31.4	47.1	—	MPC · JPL
2004 LE₃₃	9 June 2004	Mauna Kea Obs. (568)	98	centaur	32.6	0.20	6	26.2	39.0	—	MPC · JPL
2004 LT₃₂	9 June 2004	Mauna Kea Obs. (568)	158	SDO	49.2	0.32	3	33.6	64.8	—	MPC · JPL
2004 LU₃₂	9 June 2004	Mauna Kea Obs. (568)	65	cubewano?	45.8	0.15	2	39.0	52.6	—	MPC · JPL
2004 LV₃₁	9 June 2004	M. W. Buie (568)	60	cubewano?	44.3	0.13	7	38.5	50.1	—	MPC · JPL
2004 LV₃₂	9 June 2004	Mauna Kea Obs. (568)	68	other TNO	39.0	0.05	19	37.1	40.9	—	MPC · JPL
2004 LW₃₁	9 June 2004	M. W. Buie (568)	132	cubewano (cold)	46.8	0.09	3	42.8	50.9	—	MPC · JPL
2004 LW₃₂	9 June 2004	Mauna Kea Obs. (568)	90	SDO	55.5	0.42	3	32.3	78.6	—	MPC · JPL
2004 LX₃₂	9 June 2004	Mauna Kea Obs. (568)	126	centaur	65.7	0.78	5	14.6	117	—	MPC · JPL
2004 LY₃₂	9 June 2004	Mauna Kea Obs. (568)	154	other TNO	57.8	0.31	13	40.1	75.5	—	MPC · JPL
2004 LZ₃₂	9 June 2004	Mauna Kea Obs. (568)	109	other TNO	41.2	0.21	9	32.6	49.7	—	MPC · JPL
2004 MK₁₀	22 June 2004	Mauna Kea Obs. (568)	139	centaur	86.4	0.68	9	27.3	146	—	MPC · JPL
2004 MM₁₀	23 June 2004	Mauna Kea Obs. (568)	201	centaur	42.5	0.38	1	26.4	58.7	—	MPC · JPL
2004 MN₁₀	16 June 2004	Mauna Kea Obs. (568)	104	other TNO	40.3	0.10	6	36.2	44.5	—	MPC · JPL
2004 MO₁₀	22 June 2004	Mauna Kea Obs. (568)	132	centaur	30.5	0.33	8	20.5	40.4	—	MPC · JPL
2004 MP₁₀	24 June 2004	Mauna Kea Obs. (568)	119	plutino?	39.4	0.21	3	31.3	47.5	—	MPC · JPL
2004 MS₈	24 June 2004	CFEPS (568)	103	plutino	39.8	0.30	12	27.8	51.8	—	MPC · JPL
2004 MT₈	24 June 2004	B. Gladman (568)	167	cubewano (cold)	43.4	0.04	2	41.9	45.0	—	MPC · JPL
2004 MU₈	24 June 2004	B. Gladman (568)	160	cubewano (cold)	45.2	0.08	4	41.8	48.7	binary: 143 km	MPC · JPL
2004 MV₈	24 June 2004	B. Gladman (568)	152	twotino?	47.7	0.18	27	39.0	56.4	—	MPC · JPL
2004 NN₈	13 July 2004	Siding Spring Survey (E12)	5	damocloid	100.79	0.9	165.58	2.3	199.2	—	MPC · JPL
2004 OJ₁₄	17 July 2004	M. W. Buie (807)	218	other TNO	55.8	0.29	22	39.5	72.1	BR-mag: 1.42; taxonomy: IR	MPC · JPL
2004 OL₁₂	16 July 2004	Cerro Tololo Obs. (807)	200	cubewano (cold)	43.6	0.00	3	43.6	43.6	—	MPC · JPL
2004 OL₁₄	17 July 2004	M. W. Buie (807)	91	SDO	49.4	0.31	21	33.9	65.0	—	MPC · JPL
2004 OP₁₅	24 July 2004	B. Gladman (568)	173	other TNO	38.9	0.06	23	36.6	41.2	—	MPC · JPL
2004 OQ₁₅	22 July 2004	CFEPS (568)	170	res · 4:7	44.1	0.13	10	38.2	49.9	BR-mag: 1.36; taxonomy: BR-IR	MPC · JPL
2004 OS₁₅	22 July 2004	CFEPS (568)	137	SDO	56.6	0.33	4	38.1	75.0	—	MPC · JPL
2004 PB₁₀₈	14 August 2004	M. W. Buie (807)	243	other TNO	45.5	0.11	20	40.3	50.6	albedo: 0.035; binary: 132 km	MPC · JPL
2004 PC₁₁₂	13 August 2004	Cerro Tololo Obs. (807)	55	cubewano?	44.3	0.04	2	42.5	46.2	—	MPC · JPL
2004 PD₁₁₂	13 August 2004	M. W. Buie (807)	227	SDO	46.8	0.19	8	38.1	55.6	—	MPC · JPL
2004 PE₁₁₂	13 August 2004	Cerro Tololo Obs. (807)	157	cubewano?	45.9	0.00	4	45.9	45.9	—	MPC · JPL
2004 PF₁₁₂	14 August 2004	Cerro Tololo Obs. (807)	157	cubewano?	44.9	0.09	2	41.0	48.8	—	MPC · JPL
2004 PS₁₀₇	12 August 2004	M. W. Buie (807)	126	other TNO	48.6	0.25	25	36.4	60.7	—	MPC · JPL
2004 PT₁₁₇	15 August 2004	B. Gladman (568)	152	cubewano (cold)	43.3	0.04	1	41.8	44.9	—	MPC · JPL
2004 PU₁₀₇	13 August 2004	Cerro Tololo Obs. (807)	157	cubewano?	45.0	0.03	5	43.5	46.5	—	MPC · JPL
2004 PU₁₁₇	15 August 2004	B. Gladman (568)	137	cubewano (cold)	43.2	0.02	2	42.2	44.2	—	MPC · JPL
2004 PV₁₀₇	13 August 2004	Cerro Tololo Obs. (807)	275	other TNO	44.7	0.13	32	39.0	50.5	—	MPC · JPL
2004 PV₁₁₇	15 August 2004	B. Gladman (568)	167	cubewano (cold)	46.5	0.16	4	39.1	54.0	binary: 89 km	MPC · JPL
2004 PW₁₁₇	15 August 2004	B. Gladman (568)	178	cubewano (cold)	44.0	0.05	2	41.7	46.3	binary: 139 km	MPC · JPL
2004 PX₁₀₇	14 August 2004	M. W. Buie (807)	117	cubewano (cold)	44.0	0.06	3	41.4	46.6	—	MPC · JPL
2004 PX₁₁₇	15 August 2004	B. Gladman (568)	167	cubewano (cold)	44.6	0.09	4	40.4	48.8	binary: 139 km	MPC · JPL
2004 PY₁₁₁	12 August 2004	Cerro Tololo Obs. (807)	164	cubewano?	44.3	0.08	10	40.6	48.1	—	MPC · JPL
2004 PZ₁₀₇	14 August 2004	M. W. Buie (807)	100	cubewano?	46.3	0.20	11	37.2	55.4	—	MPC · JPL
2004 PZ₁₁₁	12 August 2004	Cerro Tololo Obs. (807)	130	cubewano?	43.6	0.12	5	38.2	49.0	—	MPC · JPL
2004 QE₂₉	19 August 2004	B. Gladman (568)	134	other TNO	41.2	0.09	24	37.5	45.0	—	MPC · JPL
2004 QG₂₉	19 August 2004	CFEPS (568)	109	other TNO	49.0	0.24	27	37.2	60.8	—	MPC · JPL
2004 QH₂₉	19 August 2004	CFEPS (568)	144	other TNO	51.4	0.24	12	39.3	63.5	—	MPC · JPL
2004 SC₆₀	22 September 2004	H. G. Roe M. E. Brown K. M. Barkume (675)	131	res · 4:7	44.0	0.27	1	32.1	55.9	—	MPC · JPL
2004 TB₃₅₈	15 October 2004	Kitt Peak Obs. (695)	130	cubewano?	43.8	0.07	2	40.5	47.1	—	MPC · JPL
2004 TE₂₈₂	15 October 2004	M. W. Buie (695)	122	centaur	34.4	0.15	21	29.1	39.7	—	MPC · JPL
2004 TU₃₅₇	15 October 2004	Kitt Peak Obs. (695)	140	centaur	43.3	0.37	7	27.4	59.2	—	MPC · JPL
2004 TW₃₅₇	15 October 2004	Kitt Peak Obs. (695)	130	plutino?	39.5	0.19	32	32.0	47.0	—	MPC · JPL
2004 TX₃₅₇	15 October 2004	M. W. Buie (695)	67	res · 3:4	36.6	0.21	16	28.8	44.3	BR-mag: 1.55; taxonomy: IR	MPC · JPL
2004 UD₁₀	18 October 2004	M. W. Buie (695)	152	cubewano (cold)	42.9	0.04	4	41.3	44.5	—	MPC · JPL
2004 UE₁₀	18 October 2004	Kitt Peak Obs. (695)	136	plutino?	39.4	0.11	19	34.9	44.0	—	MPC · JPL
2004 UF₁₀	18 October 2004	Kitt Peak Obs. (695)	130	plutino?	39.4	0.13	5	34.3	44.5	—	MPC · JPL
2004 US₁₀	17 October 2004	C. Trujillo S. S. Sheppard (304)	65	plutino	39.8	0.22	10	30.9	48.7	—	MPC · JPL
2004 UT₁₀	17 October 2004	Las Campanas Obs. (304)	144	twotino?	47.9	0.28	15	34.6	61.1	—	MPC · JPL
2004 UU₁₀	17 October 2004	Las Campanas Obs. (304)	60	cubewano?	45.9	0.00	2	45.9	45.9	—	MPC · JPL
2004 UW₁₀	17 October 2004	Las Campanas Obs. (304)	38	plutino?	39.5	0.25	5	29.6	49.3	—	MPC · JPL
2004 VA₇₆	9 November 2004	Kitt Peak Obs. (695)	150	cubewano?	43.9	0.00	1	43.9	43.9	—	MPC · JPL
2004 VD₁₃₁	9 November 2004	B. Gladman (568)	159	cubewano (cold)	46.5	0.13	4	40.4	52.6	—	MPC · JPL
2004 VE₁₃₁	9 November 2004	CFEPS (568)	109	res · 3:5	42.3	0.26	5	31.5	53.1	—	MPC · JPL
2004 VF₁₃₁	9 November 2004	CFEPS (568)	158	res · 4:7	43.8	0.22	1	34.3	53.3	—	MPC · JPL
2004 VG₁₃₁	9 November 2004	CFEPS (568)	79	SDO	64.5	0.51	14	31.6	97.5	—	MPC · JPL
2004 VH₁₃₁	9 November 2004	CFEPS (568)	64	centaur	60.5	0.63	12	22.2	98.7	—	MPC · JPL
2004 VK₇₈	11 November 2004	M. W. Buie (695)	94	twotino	47.9	0.33	2	31.9	63.9	—	MPC · JPL
2004 VL₇₈	11 November 2004	Kitt Peak Obs. (695)	108	plutino?	39.3	0.23	19	30.1	48.4	—	MPC · JPL
2004 VM₇₈	11 November 2004	Kitt Peak Obs. (695)	173	other TNO	44.4	0.00	32	44.4	44.4	—	MPC · JPL
2004 VM₁₃₁	9 November 2004	CFEPS (568)	116	centaur	68.9	0.70	14	20.6	117	—	MPC · JPL
2004 VN₇₈	11 November 2004	Kitt Peak Obs. (695)	119	plutino?	39.4	0.18	3	32.3	46.4	—	MPC · JPL
2004 VU₇₅	9 November 2004	M. W. Buie (695)	157	cubewano?	43.9	0.14	3	38.0	49.8	contact binary?	MPC · JPL
2004 VU₁₃₀	9 November 2004	P. A. Wiegert A. Papadimos (568)	151	res · 1:3	62.7	0.43	8	35.6	89.8	—	MPC · JPL
2004 VU₁₃₁	9 November 2004	OSSOS (568)	110	cubewano (cold)	45.7	0.10	1	41.1	50.3	—	MPC · JPL
2004 VV₇₅	9 November 2004	Kitt Peak Obs. (695)	86	plutino?	39.7	0.29	10	28.3	51.0	—	MPC · JPL
2004 VW₇₅	9 November 2004	Kitt Peak Obs. (695)	86	plutino?	39.3	0.23	23	30.3	48.3	—	MPC · JPL
2004 VX₇₅	9 November 2004	Kitt Peak Obs. (695)	158	other TNO	43.8	0.12	21	38.5	49.2	—	MPC · JPL
2004 VX₁₃₀	9 November 2004	CFEPS (568)	136	plutino	39.6	0.21	6	31.2	47.9	—	MPC · JPL
2004 VY₇₅	9 November 2004	Kitt Peak Obs. (695)	143	cubewano?	45.5	0.08	13	42.0	49.1	—	MPC · JPL
2004 VY₁₃₀	9 November 2004	CFEPS (568)	113	plutino	39.4	0.28	10	28.4	50.3	—	MPC · JPL
2004 VZ₇₅	9 November 2004	M. W. Buie (695)	248	plutino	39.4	0.19	5	31.9	46.9	—	MPC · JPL
2004 VZ₁₃₀	9 November 2004	CFEPS (568)	83	plutino	39.6	0.28	12	28.4	50.9	—	MPC · JPL
2004 XW₁₈₆	12 December 2004	Mauna Kea Obs. (568)	62	cubewano?	45.7	0.04	1	43.6	47.7	—	MPC · JPL
2004 XX₁₈₆	12 December 2004	Mauna Kea Obs. (568)	65	cubewano?	46.9	0.00	2	46.9	46.9	—	MPC · JPL
2004 XX₁₉₀	11 December 2004	Mauna Kea Obs. (568)	139	cubewano (cold)	45.1	0.11	2	40.3	49.9	—	MPC · JPL
2004 XY₁₈₆	12 December 2004	Mauna Kea Obs. (568)	52	plutino?	39.5	0.14	21	34.1	44.8	—	MPC · JPL
2004 XZ₁₈₆	12 December 2004	Mauna Kea Obs. (568)	47	plutino?	39.6	0.34	11	26.0	53.3	—	MPC · JPL

v t e Trans-Neptunian objects
TNO classes	Classical Kuiper belt objects 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 MK 2 Gonggong Xiangliu Eris Dysnomia Sedna
Sednoids	Sedna 2012 VP113 'Biden' Leleākūhonua 2023 KQ14 'Ammonite'

List of unnumbered trans-Neptunian objects: 2004

References

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