Asteroid General Data

2012 TP₁₃₉

General information

Preliminary designation	2012 TP₁₃₉
Group	Apollo
Absolute magnitude	20.21
Approximate diameter (m)	240
Approximate mass (kg)	2.57·10¹⁰
Number of observations	154
Arc length (days)	4845

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	355.674452
a – orbit major semiaxis (astronomical units)	1.46732400
e – orbit eccentricity	0.46465800
ω – orbit ascending node-perihelion angle (degrees)	3.440515
Ω – longitude of orbit ascending node (degrees)	271.752229
i – orbit inclination to the ecliptic plane (degrees)	2.341903

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	299.683003	1.46807203	0.46424924	0.053363	274.268386	2.343419	0.78652071	1.778778
01/21/1858	49.554018	1.46903427	0.46435756	0.464561	273.956594	2.340155	0.78687710	1.780527
01/29/1887	160.165990	1.46850629	0.46430770	0.962356	273.615989	2.339228	0.78666751	1.779567
02/07/1916	275.168657	1.46699643	0.46398215	1.771205	272.951473	2.345295	0.78633627	1.776823
02/14/1945	37.143860	1.46635273	0.46398480	2.268726	272.584604	2.345925	0.78598735	1.775654
02/22/1974	155.959977	1.46756456	0.46458387	2.696248	272.278424	2.342193	0.78575774	1.777855
03/02/2003	269.293955	1.46828848	0.46479463	3.072875	272.001541	2.340793	0.78583589	1.779171
03/09/2032	24.898468	1.46683047	0.46459362	3.471752	271.695101	2.342050	0.78535039	1.776522
03/17/2061	147.108478	1.46675194	0.46458103	3.817956	271.435042	2.343045	0.78532682	1.776379
03/25/2090	267.612091	1.46726919	0.46473993	4.223053	271.154023	2.342092	0.78537061	1.777319
04/03/2119	21.380346	1.46823189	0.46490170	4.596930	270.847261	2.340915	0.78564839	1.779068
04/10/2148	135.877857	1.46748257	0.46457399	5.074355	270.519829	2.340126	0.78572833	1.777706
04/18/2177	253.485372	1.46750613	0.46457373	5.536525	270.211651	2.335369	0.78574134	1.777749

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