Asteroid General Data

2012 TM₁₃₉ (523667)

General information

Preliminary designation	2012 TM₁₃₉
Number	523667
Group	Amor
Absolute magnitude	19.68
Approximate diameter (m)	310
Approximate mass (kg)	5.34·10¹⁰
Number of observations	508
Arc length (days)	4246

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	213.653616
a – orbit major semiaxis (astronomical units)	2.11530200
e – orbit eccentricity	0.44309000
ω – orbit ascending node-perihelion angle (degrees)	45.736635
Ω – longitude of orbit ascending node (degrees)	283.821173
i – orbit inclination to the ecliptic plane (degrees)	4.490291

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	120.814978	2.11533581	0.44072396	40.777680	287.380855	4.617273	1.18305664	3.076590
01/21/1858	277.024431	2.11525097	0.44065849	41.172359	286.991606	4.608039	1.18314767	3.076405
01/29/1887	74.309762	2.11410970	0.44300131	42.156421	286.454191	4.580753	1.17755634	3.073915
02/07/1916	230.883558	2.11587665	0.44134397	42.977465	285.862897	4.555619	1.18204725	3.077770
02/14/1945	26.544241	2.11438506	0.44289463	43.493416	285.405710	4.549612	1.17793527	3.074516
02/22/1974	183.673484	2.11442696	0.44351513	44.376447	284.871814	4.524265	1.17664661	3.074607
03/02/2003	339.527165	2.11505417	0.44259843	45.224595	284.234732	4.501808	1.17893451	3.075975
03/09/2032	134.605888	2.11532624	0.44293563	45.780950	283.743455	4.489982	1.17837287	3.076569
03/17/2061	290.830199	2.11479797	0.44408119	46.723091	283.182310	4.463573	1.17565597	3.075416
03/25/2090	84.862427	2.11659178	0.44187555	47.711679	282.435361	4.437898	1.18132163	3.079330
04/03/2119	238.650854	2.11588644	0.44353911	48.141445	282.069896	4.429087	1.17740805	3.077791
04/10/2148	32.325627	2.11654380	0.44367644	49.512364	281.248102	4.392116	1.17748317	3.079226
04/18/2177	184.867217	2.11693648	0.44268904	50.048559	280.742758	4.381115	1.17979190	3.080083

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