List of unnumbered trans-Neptunian objects: 2001

The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2001. As of April 2022, it contains a total of 92 bodies. ^{[1] [2] [3]} For more information see the description on the main page. Also see list for the previous and next year .

2001

See also: 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)
2001 DB106	28 February 2001	O. R. Hainaut A. C. Delsanti ( 809 )	167	cubewano (cold)	42.9	0.04	4	41.1	44.7	—	MPC  · JPL
2001 DC106	28 February 2001	O. R. Hainaut A. C. Delsanti (809)	174	cubewano (cold)	42.0	0.06	2	39.5	44.5	—	MPC  · JPL
2001 DD106	28 February 2001	O. R. Hainaut A. C. Delsanti (809)	115	cubewano (cold)	43.8	0.09	2	39.8	47.7	—	MPC  · JPL
2001 DM108	22 February 2001	Mauna Kea Obs. ( 568 )	119	cubewano?	45.4	0.00	3	45.4	45.4	—	MPC  · JPL
2001 DN108	22 February 2001	Mauna Kea Obs. (568)	95	cubewano?	45.5	0.00	8	45.5	45.5	—	MPC  · JPL
2001 DO108	22 February 2001	Mauna Kea Obs. (568)	72	cubewano?	43.0	0.00	3	43.0	43.0	—	MPC  · JPL
2001 DP108	22 February 2001	Mauna Kea Obs. (568)	47	plutino?	39.5	0.31	1	27.4	51.6	—	MPC  · JPL
2001 DQ108	22 February 2001	Mauna Kea Obs. (568)	65	cubewano?	45.4	0.00	3	45.4	45.4	—	MPC  · JPL
2001 DR106	22 February 2001	Mauna Kea Obs. (568)	75	cubewano?	44.5	0.00	2	44.5	44.5	—	MPC  · JPL
2001 DS106	22 February 2001	Mauna Kea Obs. (568)	75	cubewano?	42.6	0.00	6	42.6	42.6	—	MPC  · JPL
2001 DS108	22 February 2001	Mauna Kea Obs. (568)	86	cubewano?	45.9	0.00	3	45.9	45.9	—	MPC  · JPL
2001 DT108	25 February 2001	Mauna Kea Obs. (568)	60	plutino?	39.5	0.19	2	32.1	46.9	—	MPC  · JPL
2001 DU108	22 February 2001	Mauna Kea Obs. (568)	68	cubewano?	45.0	0.05	3	42.8	47.2	—	MPC  · JPL
2001 DV108	22 February 2001	D. Kinoshita J. Watanabe T. Fuse (568)	95	other TNO	45.7	0.26	5	33.7	57.7	—	MPC  · JPL
2001 ES24	1 March 2001	O. R. Hainaut A. C. Delsanti ( 809 )	110	cubewano (cold)	44.1	0.06	4	41.3	46.9	—	MPC  · JPL
2001 FB185	27 March 2001	Kitt Peak Obs. ( 695 )	29	cubewano?	43.2	0.09	4	39.4	46.9	—	MPC  · JPL
2001 FC185	27 March 2001	Kitt Peak Obs. (695)	100	other TNO	42.9	0.10	20	38.6	47.3	—	MPC  · JPL
2001 FC193	27 March 2001	Kitt Peak Obs. (695)	65	cubewano?	46.5	0.00	3	46.5	46.5	—	MPC  · JPL
2001 FD193	27 March 2001	Kitt Peak Obs. (695)	82	cubewano?	44.8	0.00	13	44.8	44.8	—	MPC  · JPL
2001 FF193	27 March 2001	Kitt Peak Obs. (695)	99	cubewano?	44.7	0.00	2	44.7	44.7	—	MPC  · JPL
2001 FG193	27 March 2001	Kitt Peak Obs. (695)	68	cubewano?	46.5	0.11	3	41.5	51.6	—	MPC  · JPL
2001 FJ193	27 March 2001	Kitt Peak Obs. (695)	65	plutino?	39.3	0.08	1	36.2	42.5	—	MPC  · JPL
2001 FJ194	22 March 2001	Kitt Peak Obs. (695)	114	SDO	66.0	0.44	10	37.0	95.0	—	MPC  · JPL
2001 FK194	22 March 2001	Kitt Peak Obs. (695)	92	centaur	76.3	0.63	9	28.0	125	—	MPC  · JPL
2001 FL185	26 March 2001	M. W. Buie (695)	126	cubewano (cold)	43.9	0.07	4	40.8	46.9	binary: 88 km	MPC  · JPL
2001 FM194	22 March 2001	Kitt Peak Obs. (695)	119	SDO	54.0	0.36	29	34.3	73.6	BR-mag: 1.19; taxonomy: BR	MPC  · JPL
2001 FN194	22 March 2001	Kitt Peak Obs. (695)	83	SDO	67.0	0.48	7	35.0	98.9	—	MPC  · JPL
2001 FS185	26 March 2001	Kitt Peak Obs. (695)	99	cubewano?	43.3	0.04	5	41.4	45.1	—	MPC  · JPL
2001 FT185	26 March 2001	M. W. Buie (695)	109	other TNO	47.1	0.11	20	42.1	52.1	—	MPC  · JPL
2001 FU172	22 March 2001	B. Gladman (695)	99	plutino	39.4	0.27	25	28.9	49.8	BR-mag: 3.57	MPC  · JPL
2001 FV185	26 March 2001	Kitt Peak Obs. (695)	136	plutino?	39.4	0.12	24	34.4	44.3	—	MPC  · JPL
2001 HA59	26 April 2001	O. R. Hainaut A. C. Delsanti ( 809 )	167	cubewano (cold)	43.9	0.06	1	41.2	46.5	—	MPC  · JPL
2001 KA77	24 May 2001	M. W. Buie ( 807 )	634	cubewano (hot)	47.6	0.10	12	43.0	52.3	albedo: 0.025; BR-mag: 1.82; taxonomy: RR	MPC  · JPL
2001 KE77	24 May 2001	M. W. Buie (807)	151	other TNO	45.7	0.18	21	37.3	54.0	—	MPC  · JPL
2001 KF76	22 May 2001	M. W. Buie (807)	121	cubewano (cold)	44.6	0.03	3	43.3	45.9	—	MPC  · JPL
2001 KG76	22 May 2001	M. W. Buie (807)	208	res  · 4:9	51.6	0.34	2	34.2	69.0	BR-mag: 1.92	MPC  · JPL
2001 KG77	23 May 2001	M. W. Buie (807)	91	SDO	62.3	0.46	16	34.0	90.7	BR-mag: 1.24	MPC  · JPL
2001 KH76	22 May 2001	M. W. Buie (807)	145	cubewano (cold)	46.4	0.13	3	40.4	52.4	—	MPC  · JPL
2001 KL76	22 May 2001	M. W. Buie (807)	173	res  · 5:9	44.6	0.10	1	40.3	49.0	—	MPC  · JPL
2001 KM76	22 May 2001	Cerro Tololo Obs. (807)	130	cubewano?	44.9	0.07	1	41.5	48.2	—	MPC  · JPL
2001 KO77	23 May 2001	M. W. Buie (807)	109	other TNO	44.1	0.15	21	37.5	50.7	—	MPC  · JPL
2001 KQ76	24 May 2001	M. W. Buie (807)	282	cubewano (hot)	42.8	0.10	6	38.5	47.2	—	MPC  · JPL
2001 KS76	24 May 2001	Cerro Tololo Obs. (807)	109	cubewano?	43.6	0.09	3	39.6	47.7	—	MPC  · JPL
2001 KW76	22 May 2001	M. W. Buie (807)	126	other TNO	46.3	0.22	11	36.0	56.6	—	MPC  · JPL
2001 KY76	22 May 2001	M. W. Buie (807)	285	plutino	39.6	0.24	4	30.1	49.2	BR-mag: 1.84	MPC  · JPL
2001 KZ76	24 May 2001	Cerro Tololo Obs. (807)	104	SDO	79.0	0.52	26	38.2	120	—	MPC  · JPL
2001 OG109	27 July 2001	R. L. Allen G. Bernstein R. Malhotra ( 568 )	80	cubewano (cold)	43.9	0.02	1	42.9	44.8	—	MPC  · JPL
2001 OJ108	24 July 2001	Mauna Kea Obs. (568)	95	cubewano?	44.9	0.09	9	40.8	49.0	—	MPC  · JPL
2001 OK108	24 July 2001	B. Gladman (568)	108	cubewano (cold)	43.3	0.04	2	41.8	44.8	—	MPC  · JPL
2001 OL108	24 July 2001	Mauna Kea Obs. (568)	72	cubewano?	45.6	0.11	3	40.7	50.5	—	MPC  · JPL
2001 OM108	25 July 2001	Mauna Kea Obs. (568)	86	cubewano?	46.1	0.04	12	44.3	47.8	—	MPC  · JPL
2001 OM109	26 July 2001	J.-M. Petit J. J. Kavelaars M. J. Holman B. Gladman (568)	99	SDO	69.3	0.50	4	35.0	104	—	MPC  · JPL
2001 ON108	25 July 2001	B. Gladman (568)	104	cubewano?	43.0	0.03	1	41.7	44.4	—	MPC  · JPL
2001 OO108	27 July 2001	B. Gladman (568)	99	SDO	51.6	0.33	1	34.8	68.3	—	MPC  · JPL
2001 OQ108	24 July 2001	B. Gladman (568)	167	cubewano (cold)	45.5	0.01	2	45.1	45.9	—	MPC  · JPL
2001 OR108	24 July 2001	Mauna Kea Obs. (568)	90	cubewano?	45.7	0.10	3	41.2	50.1	—	MPC  · JPL
2001 OS108	25 July 2001	Mauna Kea Obs. (568)	150	cubewano?	46.5	0.00	2	46.5	46.5	—	MPC  · JPL
2001 OT108	25 July 2001	Mauna Kea Obs. (568)	55	SDO	67.0	0.52	1	32.4	101	—	MPC  · JPL
2001 OU108	27 July 2001	Mauna Kea Obs. (568)	209	other TNO	46.8	0.00	28	46.8	46.8	—	MPC  · JPL
2001 OY108	24 July 2001	Mauna Kea Obs. (568)	114	cubewano?	46.1	0.10	7	41.5	50.6	—	MPC  · JPL
2001 OZ108	24 July 2001	B. Gladman (568)	73	cubewano (cold)	43.7	0.05	2	41.5	45.8	—	MPC  · JPL
2001 PK47	12 August 2001	C. Veillet (568)	176	cubewano (hot)	40.0	0.07	9	37.2	42.8	—	MPC  · JPL
2001 QA298	19 August 2001	M. W. Buie ( 807 )	126	other TNO	46.7	0.20	24	37.5	55.9	—	MPC  · JPL
2001 QQ297	19 August 2001	M. W. Buie (807)	132	cubewano (cold)	44.7	0.09	4	40.9	48.5	—	MPC  · JPL
2001 QS297	20 August 2001	Cerro Tololo Obs. (807)	285	cubewano?	43.8	0.00	5	43.8	43.8	—	MPC  · JPL
2001 QU297	20 August 2001	Cerro Tololo Obs. (807)	217	cubewano?	43.7	0.00	3	43.7	43.7	—	MPC  · JPL
2001 QV297	20 August 2001	Cerro Tololo Obs. (807)	189	cubewano?	44.0	0.00	2	44.0	44.0	—	MPC  · JPL
2001 QW322	24 August 2001	68 Mauna Kea	128	cubewano (cold)	44.4	0.02	5	43.5	45.2	albedo: 0.093; binary: 126 km	MPC  · JPL
2001 QX297	20 August 2001	M. W. Buie ( 807 )	183	cubewano (cold)	44.5	0.03	1	43.0	46.0	—	MPC  · JPL
2001 QZ297	19 August 2001	M. W. Buie (807)	139	cubewano (cold)	44.7	0.07	2	41.6	47.8	—	MPC  · JPL
2001 RL155	12 September 2001	Kitt Peak Obs. ( 695 )	95	cubewano?	44.2	0.12	1	38.7	49.7	—	MPC  · JPL
2001 RV143	12 September 2001	M. W. Buie (695)	150	cubewano?	46.3	0.08	1	42.7	50.0	—	MPC  · JPL
2001 RW143	12 September 2001	M. W. Buie (695)	132	cubewano (cold)	43.2	0.04	3	41.6	44.9	—	MPC  · JPL
2001 RY143	12 September 2001	M. W. Buie (695)	137	cubewano?	42.3	0.15	7	35.9	48.7	—	MPC  · JPL
2001 SD291	18 September 2001	Palomar Obs. ( 675 )	76	cubewano (cold)	45.8	0.09	3	41.6	50.0	—	MPC  · JPL
2001 SE291	18 September 2001	P. Nicholson C. Dumas A. W. Harris B. Gladman (675)	121	cubewano (cold)	45.7	0.14	2	39.4	51.9	—	MPC  · JPL
2001 UA17	17 October 2001	La Silla Obs. ( 809 )	164	cubewano?	42.9	0.07	6	39.9	45.9	—	MPC  · JPL
2001 UB17	17 October 2001	La Silla Obs. (809)	119	plutino?	39.6	0.07	5	37.0	42.3	—	MPC  · JPL
2001 UC17	17 October 2001	La Silla Obs. (809)	143	plutino?	39.6	0.14	3	33.8	45.4	—	MPC  · JPL
2001 UN18	19 October 2001	M. W. Buie ( 695 )	167	cubewano (cold)	44.4	0.07	4	41.3	47.6	—	MPC  · JPL
2001 UP18	19 October 2001	M. W. Buie (695)	228	twotino	48.0	0.07	1	44.4	51.5	BR-mag: 1.49; taxonomy: IR	MPC  · JPL
2001 VN71	9 November 2001	B. Gladman J. J. Kavelaars ( 568 )	72	plutino	39.3	0.24	19	29.7	49.0	—	MPC  · JPL
2001 XB255	9 December 2001	S. S. Sheppard D. C. Jewitt J. Kleyna (568)	150	cubewano?	74.9	0.45	2	41.3	108	—	MPC  · JPL
2001 XC255	9 December 2001	Mauna Kea Obs. (568)	114	cubewano?	43.8	0.05	2	41.7	45.9	—	MPC  · JPL
2001 XE255	9 December 2001	Mauna Kea Obs. (568)	90	cubewano?	43.5	0.00	10	43.5	43.5	—	MPC  · JPL
2001 XF255	9 December 2001	Mauna Kea Obs. (568)	99	cubewano?	44.0	0.00	1	44.0	44.0	—	MPC  · JPL
2001 XG255	9 December 2001	Mauna Kea Obs. (568)	75	cubewano?	43.9	0.07	2	41.0	46.9	—	MPC  · JPL
2001 XJ255	11 December 2001	Mauna Kea Obs. (568)	75	cubewano?	44.4	0.07	10	41.1	47.8	—	MPC  · JPL
2001 XU254	9 December 2001	S. S. Sheppard J. Kleyna D. C. Jewitt (568)	237	cubewano (hot)	43.2	0.07	7	40.0	46.4	—	MPC  · JPL
2001 XV254	9 December 2001	Mauna Kea Obs. (568)	137	cubewano?	45.7	0.00	6	45.7	45.7	—	MPC  · JPL
2001 XW254	10 December 2001	Mauna Kea Obs. (568)	99	cubewano?	42.3	0.00	6	42.3	42.3	—	MPC  · JPL
2001 XX254	11 December 2001	J. Kleyna D. C. Jewitt S. S. Sheppard (568)	114	cubewano (cold)	43.5	0.02	2	42.5	44.6	—	MPC  · JPL

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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.