Asteroid General Data

2011 EC

General information

Preliminary designation	2011 EC
Group	Apollo
Absolute magnitude	25.57
Approximate diameter (m)	20
Approximate mass (kg)	1.56·10⁷
Number of observations	29
Arc length (days)	32

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	131.872683
a – orbit major semiaxis (astronomical units)	1.50553300
e – orbit eccentricity	0.36391800
ω – orbit ascending node-perihelion angle (degrees)	33.506875
Ω – longitude of orbit ascending node (degrees)	167.595730
i – orbit inclination to the ecliptic plane (degrees)	1.081989

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	227.161108	1.49405040	0.35980214	27.253182	173.866065	1.126122	0.95648787	1.826201
01/21/1858	187.158362	1.49349290	0.35975200	28.213109	172.847092	1.120253	0.95620585	1.825179
01/29/1887	153.875986	1.49587371	0.36047896	29.677080	171.647327	1.117661	0.95664271	1.829545
02/07/1916	110.424422	1.49175653	0.35908525	30.215152	171.242419	1.120963	0.95608877	1.821996
02/14/1945	66.186174	1.50177720	0.36253418	32.636281	168.519061	1.091500	0.95733164	1.840386
02/22/1974	334.799615	1.50381206	0.36320332	33.159389	168.124167	1.094990	0.95762253	1.844128
03/02/2003	230.688152	1.51015786	0.36561928	33.113810	167.687274	1.077263	0.95801503	1.855813
03/09/2032	118.990258	1.50535068	0.36397182	33.520659	167.596511	1.082499	0.95744546	1.846959
03/17/2061	8.757449	1.50755289	0.36454837	33.867860	167.218489	1.081960	0.95797693	1.851013
03/25/2090	247.937307	1.50776738	0.36470904	34.192016	166.819490	1.078658	0.95787099	1.851408
04/03/2119	129.552108	1.50829738	0.36530096	34.416100	166.751570	1.082941	0.95731490	1.852384
04/10/2148	15.692146	1.50665214	0.36460076	35.259602	165.851757	1.078254	0.95732563	1.849354
04/18/2177	268.234923	1.50524914	0.36431348	35.820724	165.233282	1.078264	0.95686660	1.846772

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