List of unnumbered trans-Neptunian objects: 2010

The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2010. As of May 2026^[update], it contains a total of 43 bodies.^[1]^[2]^[3]^[4] For more information see the description on the main page. Also see list for the previous and next year.

2010

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
2010 BK₁₁₈	30 January 2010	WISE (C51)	46	centaur	450.2	0.99	144	6.1	894.3	albedo: 0.068; BRmag: 1.32	MPC · JPL
2010 CG₅₅	15 February 2010	CSS (703)	10	damocloid	31.6	0.91	146	2.9	60.4	albedo: 0.048	MPC · JPL
2010 EB₄₆	12 March 2010	Catalina Sky Survey (703)	0.8	damocloid	33.4	0.96	156	1.5	65.4	albedo: 0.048	MPC · JPL
2010 EL₁₃₉	12 March 2010	A. Udalski, C. A. Trujillo, S. S. Sheppard, I. Soszynski (304)	406	plutino	39.2	0.06	23	36.7	41.7	albedo: 0.074	MPC · JPL
2010 EQ₆₅	10 March 2010	D. L. Rabinowitz, S. Tourtellotte (809)	189	SDO	60.1	0.41	25	35.8	84.4	albedo: 0.124	MPC · JPL
2010 EX₁₇₅	4 March 2010	WISE (C51)	2.4	damocloid	33.5	0.92	29	2.6	64.4	albedo: 0.048	MPC · JPL
2010 FX₈₆	17 March 2010	S. S. Sheppard, A. Udalski, I. Soszynski, C. A. Trujillo (304)	582	cubewano (hot)?	46.6	0.06	25	43.9	49.3	albedo: 0.079	MPC · JPL
2010 GB174	12 April 2010	Maunakea (568)	169	EDDO	356.7	0.86	22	48.5	664.9	albedo: 0.124	MPC · JPL
2010 GS₁₃₆	5 April 2010	Spacewatch (691)	17	centaur	36.1	0.82	84	6.4	65.8	albedo: 0.058	MPC · JPL
2010 GW₁₄₇	14 April 2010	WISE (C51)	16	centaur	176.2	0.97	100	5.4	347.1	albedo: 0.037	MPC · JPL
2010 GW₆₄	6 April 2010	WISE (C51)	6	damocloid	62.1	0.94	105	3.7	120.4	albedo: 0.047	MPC · JPL
2010 HD₁₁₂	20 April 2010	Las Campanas Observatory (304)	171	cubewano (cold)?	44.5	0.03	4	43.1	45.8	albedo: 0.152	MPC · JPL
2010 HG₁₀₉	21 April 2010	Las Campanas Observatory (304)	169	plutino?	39.8	0.23	29	30.5	49.1	albedo: 0.074	MPC · JPL
2010 JE₂₁₅	10 May 2010	Pan-STARRS 1 (F51)	119	centaur	61.6	0.56	11	27.3	95.9	albedo: 0.058	MPC · JPL
2010 JH₁₂₄	12 May 2010	WISE (C51)	7	damocloid	68.9	0.96	53	2.6	135.2	albedo: 0.052	MPC · JPL
2010 JJ₁₂₄	11 May 2010	A. Udalski, S. S. Sheppard, C. A. Trujillo (304)	249	centaur	82.9	0.72	38	23.6	142.2	albedo: 0.058	MPC · JPL
2010 JK₁₂₄	11 May 2010	Las Campanas Observatory (304)	314	other TNO	40.2	0.12	16	35.4	45.0	albedo: 0.13	MPC · JPL
2010 KZ₃₉	21 May 2010	A. Udalski, S. S. Sheppard, M. Szymanski, C. A. Trujillo (304)	743	cubewano (hot)?	45.0	0.06	26	42.5	47.5	albedo: 0.079	MPC · JPL
2010 LK₁₀₉	11 June 2010	Maunakea (568)	78	cubewano (hot)?	45.5	0.07	8	42.3	48.8	albedo: 0.079	MPC · JPL
2010 LP₆₈	11 June 2010	M. Yagi, Y. Komiyama, F. Nakata, S. Shinogi (568)	57	res · 3:4?	36.2	0.03	11	35.1	37.3	albedo: 0.126	MPC · JPL
2010 LQ₆₈	11 June 2010	M. Yagi, Y. Komiyama, F. Nakata, S. Shinogi (568)	113	res · 6:11	44.8	0.22	3	34.8	54.7	albedo: 0.126	MPC · JPL
2010 MR₁₁₆	19 June 2010	Pan-STARRS 1 (F51)	169	res · 1:3?	63.4	0.40	20	37.9	88.8	albedo: 0.126	MPC · JPL
2010 PU₇₅	6 August 2010	A. Udalski, S. S. Sheppard, G. Pietrzynski, C. A. Trujillo (304)	251	SDO	85.0	0.58	9	35.9	134.1	albedo: 0.124	MPC · JPL
2010 RF₁₈₈	15 September 2010	Pan-STARRS 1 (F51)	330	other TNO	46.9	0.30	14	33.1	60.8	albedo: 0.13; taxonomy: IR	MPC · JPL
2010 RJ₁₉₀	4 September 2010	Pan-STARRS 1 (F51)	154	cubewano (cold)	44.4	0.08	3	41.0	47.9	albedo: 0.152	MPC · JPL
2010 RM₄₅	5 September 2010	D. L. Rabinowitz, M. Schwamb, S. Tourtellotte (809)	293	cubewano (hot)?	46.4	0.15	19	39.3	53.5	albedo: 0.079	MPC · JPL
2010 RN₄₅	7 September 2010	D. L. Rabinowitz, M. Schwamb, S. Tourtellotte (809)	333	cubewano (hot)?	40.9	0.11	33	36.4	45.5	albedo: 0.079	MPC · JPL
2010 TA₁₉₂	7 October 2010	Pan-STARRS 1 (F51)	242	cubewano (hot)?	42.2	0.10	18	37.8	46.6	albedo: 0.079	MPC · JPL
2010 TD₁₉₂	8 October 2010	Pan-STARRS 1 (F51)	171	cubewano (cold)	43.5	0.03	4	42.1	44.8	albedo: 0.152	MPC · JPL
2010 TE₁₉₂	9 October 2010	Pan-STARRS 1 (F51)	248	cubewano (hot)?	41.5	0.05	21	39.4	43.7	albedo: 0.079	MPC · JPL
2010 TF₁₉₂	9 October 2010	Pan-STARRS 1 (F51)	205	cubewano (cold)	43.7	0.02	2	42.6	44.7	albedo: 0.152	MPC · JPL
2010 TG₁₉₂	9 October 2010	Pan-STARRS 1 (F51)	151	cubewano (cold)	44.3	0.06	1	41.6	47.0	albedo: 0.152	MPC · JPL
2010 TJ	2 October 2010	D. L. Rabinowitz, M. Schwamb, S. Tourtellotte (809)	317	SDO	63.3	0.37	39	40.0	86.7	albedo: 0.124; taxonomy: BB	MPC · JPL
2010 TJ₁₈₂	6 October 2010	Pan-STARRS 1 (F51)	71	plutino	40.0	0.28	10	28.7	51.3	albedo: 0.074	MPC · JPL
2010 TK₁₉₂	13 October 2010	Pan-STARRS 1 (F51)	223	cubewano (hot)?	46.6	0.12	37	41.0	52.2	albedo: 0.079	MPC · JPL
2010 TL₁₈₂	6 October 2010	Pan-STARRS 1 (F51)	166	cubewano (cold)	44.1	0.06	2	41.3	46.9	albedo: 0.152	MPC · JPL
2010 TN₁₈₂	6 October 2010	Pan-STARRS 1 (F51)	199	plutino	39.8	0.14	13	34.1	45.5	albedo: 0.074	MPC · JPL
2010 TP₁₈₂	7 October 2010	Pan-STARRS 1 (F51)	238	cubewano (hot)?	45.5	0.19	10	37.1	53.9	albedo: 0.079	MPC · JPL
2010 TS₁₉₅	7 October 2010	Pan-STARRS 1 (F51)	172	plutino	39.8	0.13	16	34.6	44.9	albedo: 0.074	MPC · JPL
2010 TT₁₉₁	9 October 2010	Pan-STARRS 1 (F51)	143	nep trj	30.3	0.06	4	28.3	32.2	albedo: 0.058; BRmag: 1.22	MPC · JPL
2010 VD₂₅₃	10 November 2010	Pan-STARRS 1 (F51)	271	cubewano (hot)?	43.0	0.09	24	39.1	47.0	albedo: 0.079	MPC · JPL
2010 VE₂₅₃	2 November 2010	Mt. Lemmon Survey (G96)	56	centaur	32.1	0.49	8	16.5	47.7	albedo: 0.058	MPC · JPL
2010 WM₇₅	17 November 2010	Pan-STARRS 1 (F51)	230	other TNO	50.9	0.17	23	42.2	59.6	albedo: 0.13	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.
↑ "MPC Database Search: a ≥ 30.1 AU". Minor Planet Center. Archived from the original on 9 October 2025. Retrieved 9 October 2025. 5546 trans-Neptunian objects
↑ "List of Known Trans-Neptunian Objects". Johnston's Archive. 2 January 2022. Retrieved 16 April 2022.

[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.

[MPC-a30.1-3] "MPC Database Search: a ≥ 30.1 AU". Minor Planet Center. Archived from the original on 9 October 2025. Retrieved 9 October 2025. 5546 trans-Neptunian objects

[TNO-list-Johnstons-4] "List of Known Trans-Neptunian Objects". Johnston's Archive. 2 January 2022. Retrieved 16 April 2022.

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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'