Asteroid General Data

2012 TR₁₃₉

General information

Preliminary designation	2012 TR₁₃₉
Group	Amor
Absolute magnitude	20.91
Approximate diameter (m)	170
Approximate mass (kg)	9.77·10⁹
Number of observations	69
Arc length (days)	4001

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	32.812367
a – orbit major semiaxis (astronomical units)	1.96057200
e – orbit eccentricity	0.38805700
ω – orbit ascending node-perihelion angle (degrees)	173.169026
Ω – longitude of orbit ascending node (degrees)	200.222407
i – orbit inclination to the ecliptic plane (degrees)	52.520494

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	149.946286	1.94708143	0.38839674	171.152710	200.817373	52.335439	1.19084135	2.716920
01/21/1858	33.835938	1.94748513	0.38782233	171.448749	200.724630	52.336957	1.19220692	2.717765
01/29/1887	277.391351	1.94754328	0.38700519	171.768953	200.630752	52.356410	1.19383393	2.717886
02/07/1916	161.401345	1.94779365	0.38637186	171.995886	200.540330	52.359718	1.19522099	2.718410
02/14/1945	45.566138	1.94748991	0.38591315	172.218784	200.452867	52.371873	1.19592794	2.717775
02/22/1974	289.223365	1.94744270	0.38536469	172.556060	200.358729	52.386075	1.19696704	2.717676
03/02/2003	172.914585	1.94734286	0.38482830	172.842500	200.264982	52.407032	1.19795022	2.717467
03/09/2032	56.759572	1.94755138	0.38411929	173.155667	200.175310	52.408069	1.19945932	2.717903
03/17/2061	300.664111	1.94757923	0.38369672	173.459482	200.091991	52.424713	1.20029947	2.717962
03/25/2090	184.397346	1.94733325	0.38328116	173.764496	200.001740	52.451828	1.20095711	2.717447
04/03/2119	68.084178	1.94721651	0.38283528	174.067048	199.907678	52.454428	1.20175333	2.717202
04/10/2148	312.030108	1.94721163	0.38224964	174.416113	199.814182	52.470585	1.20289069	2.717192
04/18/2177	196.196277	1.94786485	0.38175859	174.648953	199.725085	52.469873	1.20425071	2.718559

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