List of unnumbered trans-Neptunian objects: 2018

The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2018. As of November 2026^[update], it contains a total of 46 bodies. For more information see the description on the main page. Also see list for the previous and next year.

2018

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
2018 AD₃₉	15 January 2018	Maunakea (568)	217	SDO	169.2	0.77	20	38.9	299.5	albedo: 0.124	MPC JPL
2018 AG37	15 January 2018	Maunakea (568)	790	centaur	81.4	0.65	19	28.5	134.3	albedo: 0.058	MPC JPL
2018 AH₃₉	15 January 2018	Maunakea (568)	133	other TNO	55.6	0.18	29	45.7	65.5	albedo: 0.13	MPC JPL
2018 AK₃₉	15 January 2018	Maunakea (568)	277	centaur	51.7	0.46	15	28.0	75.4	albedo: 0.058	MPC JPL
2018 AX₁₈	15 January 2018	Maunakea (568)	181	SDO	52.6	0.28	21	37.6	67.5	albedo: 0.124	MPC JPL
2018 AY₁₈	15 January 2018	Maunakea (568)	125	SDO	65.3	0.38	15	40.4	90.3	albedo: 0.124	MPC JPL
2018 AZ₁₈	15 January 2018	Maunakea (568)	109	SDO	55.2	0.27	16	40.3	70.1	albedo: 0.124	MPC JPL
2018 DE₄	17 February 2018	Mt. Lemmon Survey (G96)	2.2	damocloid	31.5	0.92	82	2.4	60.5	albedo: 0.048	MPC JPL
2018 DF₄	23 February 2018	Mt. Lemmon Survey (G96)	3	damocloid	92.1	0.98	68	1.6	182.6	albedo: 0.048	MPC JPL
2018 FK₇₆	18 March 2018	COIAS,Subaru Telescope (T09)	103	twotino	47.8	0.15	2	40.7	55.0	albedo: 0.126	MPC JPL
2018 FL₇₃	18 March 2018	COIAS,Subaru Telescope (T09)	138	cubewano (cold)?	45.0	0.13	4	39.4	50.7	albedo: 0.152	MPC JPL
2018 FL₇₆	18 March 2018	COIAS,Subaru Telescope (T09)	105	plutino	39.5	0.09	14	36.1	43.0	albedo: 0.074	MPC JPL
2018 FM₇₆	18 March 2018	COIAS,Subaru Telescope (T09)	95	cubewano (cold)?	45.4	0.10	3	41.0	49.8	albedo: 0.152	MPC JPL
2018 FM₇₈	18 March 2018	COIAS,Subaru Telescope (T09)	130	cubewano (hot)?	42.4	0.11	5	38.0	46.9	albedo: 0.079	MPC JPL
2018 FN₈₀	—	—	—	—	43.2	0.02	1.4	42.4	44.1	—	MPC JPL
2018 FO₇₆	18 March 2018	COIAS,Subaru Telescope (T09)	172	cubewano (hot)?	42.1	0.13	29	36.6	47.5	albedo: 0.079	MPC JPL
2018 FP₇₆	18 March 2018	COIAS,Subaru Telescope (T09)	97	cubewano (cold)?	42.5	0.03	4	41.5	43.6	albedo: 0.152	MPC JPL
2018 FQ₇₆	18 March 2018	COIAS,Subaru Telescope (T09)	75	cubewano (cold)?	42.9	0.03	2	41.8	43.9	albedo: 0.152	MPC JPL
2018 FX₇₃	18 March 2018	COIAS,Subaru Telescope (T09)	131	cubewano (cold)?	44.1	0.06	3	41.3	46.8	albedo: 0.152	MPC JPL
2018 FY₇₃	18 March 2018	COIAS,Subaru Telescope (T09)	108	res · 3:5	42.5	0.18	4	35.0	49.9	albedo: 0.126	MPC JPL
2018 GT₁₂	12 April 2018	Cerro Tololo Observatory, La Serena (807)	114	SDO	98.6	0.66	16	33.6	163.6	albedo: 0.124	MPC JPL
2018 GT₁₅	12 April 2018	Cerro Tololo Observatory, La Serena (807)	112	other TNO	57.0	0.10	26	51.4	62.6	albedo: 0.13	MPC JPL
2018 HK₁₄	24 April 2018	COIAS,Subaru Telescope (T09)	115	cubewano (cold)?	43.2	0.04	2	41.3	45.1	albedo: 0.152	MPC JPL
2018 HL₁₄	24 April 2018	COIAS,Subaru Telescope (T09)	102	cubewano (cold)?	43.5	0.05	3	41.6	45.5	albedo: 0.152	MPC JPL
2018 HM₁₄	24 April 2018	COIAS,Subaru Telescope (T09)	102	cubewano (cold)?	44.2	0.05	2	41.9	46.6	albedo: 0.152	MPC JPL
2018 HS₁₂	24 April 2018	COIAS,Subaru Telescope (T09)	82	res · 3:5	42.2	0.19	15	34.2	50.3	albedo: 0.126	MPC JPL
2018 HT₁₄	24 April 2018	COIAS,Subaru Telescope (T09)	105	other TNO	38.4	0.10	2	34.5	42.2	albedo: 0.13	MPC JPL
2018 JT₆	10 May 2018	Cerro Tololo Observatory, La Serena (807)	161	other TNO	53.2	0.19	27	42.9	63.5	albedo: 0.13	MPC JPL
2018 JU₆	11 May 2018	Cerro Tololo Observatory, La Serena (807)	157	SDO	51.5	0.25	6	38.5	64.6	albedo: 0.124	MPC JPL
2018 JY₁₅	—	—	—	—	46.2	0.25	19	34.8	57.6	—	MPC JPL
2018 KH₃	16 May 2018	Mt. Lemmon Survey (G96)	11	damocloid	89.4	0.96	47	3.7	175.2	albedo: 0.048	MPC JPL
2018 MD₄₇	—	—	—	—	42.7	0.01	4	42.4	43.1	—	MPC JPL
2018 ME₄₇	—	—	—	—	40.9	0.07	28	38.1	43.6	—	MPC JPL
2018 MF₁₃	16 June 2018	DECam (W84)	68	res · 5:8	41.0	0.25	3	30.7	51.3	albedo: 0.126	MPC JPL
2018 MG₁₃	16 June 2018	DECam (W84)	146	cubewano (hot)?	47.6	0.07	10	44.5	50.8	albedo: 0.079	MPC JPL
2018 MP₈	16 June 2018	Pan-STARRS 1 (F51)	5	damocloid	324.1	0.99	68	3.8	644.3	albedo: 0.048	MPC JPL
2018 SQ₁₃	21 September 2018	Mt. Lemmon Survey (G96)	5	damocloid	162.7	0.98	91	3.0	322.4	albedo: 0.048	MPC JPL
2018 VG18	10 November 2018	Maunakea (568)	610	res · 2:9	81.9	0.53	24	38.9	125.0	albedo: 0.126	MPC JPL
2018 VJ₁₃₇	8 November 2018	Maunakea (568)	165	SDO	91.5	0.59	19	37.6	145.3	albedo: 0.124	MPC JPL
2018 VL₂₀₃	8 November 2018	COIAS,Subaru Telescope (T09)	90	centaur	43.6	0.87	19	5.6	81.7	albedo: 0.058	MPC JPL
2018 VM₃₅	6 November 2018	Maunakea (568)	106	EDDO	306.8	0.86	9	44.6	569.0	albedo: 0.124	MPC JPL
2018 VN₁₃₇	8 November 2018	Maunakea (568)	120	SDO	55.2	0.38	17	34.2	76.2	albedo: 0.124	MPC JPL
2018 VN₃₅	10 November 2018	Maunakea (568)	111	SDO	85.1	0.59	25	34.5	135.6	albedo: 0.124	MPC JPL
2018 VO₁₃₇	8 November 2018	Maunakea (568)	129	res · 2:5	55.6	0.19	39	45.2	65.9	albedo: 0.126	MPC JPL
2018 VO₃₅	10 November 2018	Maunakea (568)	162	SDO	96.0	0.63	19	35.5	156.5	albedo: 0.124	MPC JPL
2018 VP₁₃₇	8 November 2018	Maunakea (568)	109	SDO	55.6	0.38	9	34.2	76.9	albedo: 0.124	MPC JPL

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References

↑ "Lists and Plots: Minor Planets". Minor Planet Center. 29 October 2026. Retrieved 29 October 2026.
↑ "MPC Database Search: a ≥ 30.1 AU". Minor Planet Center. Archived from the original on 7 November 2026. Retrieved 7 November 2026.
↑ "List of Known Trans-Neptunian Objects". Johnston's Archive. 19 January 2026. Retrieved 1 March 2026.

[MPC-Lists-1] "Lists and Plots: Minor Planets". Minor Planet Center. 29 October 2026. Retrieved 29 October 2026.

[MPC-a30.1-2] "MPC Database Search: a ≥ 30.1 AU". Minor Planet Center. Archived from the original on 7 November 2026. Retrieved 7 November 2026.

[TNO-list-Johnstons-3] "List of Known Trans-Neptunian Objects". Johnston's Archive. 19 January 2026. Retrieved 1 March 2026.

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'