Extreme trans-Neptunian object
Outer Solar System Origins Survey

Extreme trans-Neptunian object

Section Title: Outer Solar System Origins Survey
Table Section Text: None

Object	Orbit	Orbital plane	Body

Stability	Barycentric Orbital period (years)	Barycentric Semimajor axis (AU)	Perihelion (AU)	Barycentric Aphelion (AU)	Current distance from Sun (AU)	Eccent.	Argum. peri ω (°)	inclin. i (°)	Longitude of	Hv	Current mag.	Diameter (km)

Ascending node ☊ or Ω (°)	Perihelion ϖ=ω+Ω (°)

Sedna	Stable	11,400	507	76.04	936	85.5	0.85	311.5	11.9	144.5	96.0	1.5	20.9	1,000

2004 VN112	Stable	5,900	327	47.32	607	47.7	0.85	327.1	25.6	66.0	33.1	6.5	23.3	200

2007 TG422	Unstable	11,300	503	35.57	970	37.3	0.93	285.7	18.6	112.9	38.6	6.2	22.0	200

2010 GB174	Stable	6,600	351	48.76	654	71.2	0.87	347.8	21.5	130.6	118.4	6.5	25.1	200

2012 VP113	Stable	4,300	266	80.27	441	83.5	0.69	292.8	24.1	90.8	23.6	4.0	23.3	600

2013 RF98	Unstable	6,900	364	36.10	690	36.8	0.90	311.8	29.6	67.6	19.4	8.7	24.4	70

2013 FT28	Metastable	5,050	295	43.60	546	57.0	0.86	40.2	17.3	217.8	258.0 (*)	6.7	24.4	200

2014 FE72	Unstable	66,000	1,600	36.31	3,200	61.5	0.98	134.4	20.6	336.8	111.2	6.1	24.0	200

2014 SR349	Stable	5,160	299	47.57	549	56.3	0.84	341.4	18.0	34.8	16.2	6.6	24.2	200

2013 SY99	Metastable	19,700	730	49.91	1,410	60.3	0.93	32.4	4.2	29.5	61.9	6.7	24.5	250

2015 GT50	Unstable	5,510	310	38.45	580	41.7	0.89	129.2	8.8	46.1	175.3 (*)	8.5	24.9	80

2015 KG163	Unstable	17,730	680	40.51	1,320	40.8	0.95	32.0	14.0	219.1	251.1 (*)	8.1	24.3	100

2015 RX245	Metastable	8,920	430	45.48	815	61.4	0.89	65.4	12.2	8.6	74.0	6.2	24.2	250

uo5m93	?	4,760	283	39.48	526	41.7	0.86	43.3	6.8	165.9	209.3 (*)	8.9	25.0	?

2015 BP519 "Caju"	?	9,500	449	35.25	863	52.7	0.92	348.1	54.1	135.2	123.3	4.3	21.5	550

2015 TG387	Stable	40,000	1,200	64.94	2,300	77.7	0.94	118.2	11.7	300.8	59.0	5.3	24.3	300

2013 RA109	?	9,900	461	46	878	47.1	0.90	263.0	12.4	104.8	7.8	6.1	23.0	200

Ideal elements under hypothesis	—	>250	>30	—	—	>0.5	—	10~30	—	2~120	—	—	—

Hypothesized Planet Nine	~15,000	~700	~200	~1,200	~1,000?	~0.6	~150	~30	91±15	241±15	>22	~40,000

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