Asteroid General Data

2009 EF₁

General information

Preliminary designation	2009 EF₁
Group	Apollo
Absolute magnitude	24.17
Approximate diameter (m)	39
Approximate mass (kg)	1.08·10⁸
Number of observations	18
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	336.123510
a – orbit major semiaxis (astronomical units)	1.37753400
e – orbit eccentricity	0.37245700
ω – orbit ascending node-perihelion angle (degrees)	109.003590
Ω – longitude of orbit ascending node (degrees)	350.006433
i – orbit inclination to the ecliptic plane (degrees)	12.531550

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	296.650209	1.37891129	0.37379229	106.931225	351.625466	12.480705	0.86348487	1.619217
01/21/1858	266.436849	1.37931476	0.37369616	107.301545	351.376028	12.488691	0.86387014	1.619928
01/29/1887	234.777377	1.37888200	0.37337067	107.570264	351.145845	12.496673	0.86404790	1.619166
02/07/1916	206.639801	1.37882777	0.37334386	107.885493	350.908846	12.498237	0.86405089	1.619070
02/14/1945	180.433092	1.37880940	0.37310447	108.160126	350.679447	12.513404	0.86436945	1.619038
02/22/1974	158.093488	1.37783640	0.37293240	108.479015	350.423739	12.515621	0.86399656	1.617324
03/02/2003	134.827709	1.37800126	0.37277035	108.764083	350.210255	12.517203	0.86432325	1.617615
03/09/2032	115.043630	1.37816948	0.37276705	109.062032	349.969178	12.530264	0.86443331	1.617911
03/17/2061	93.389031	1.37802863	0.37256202	109.344295	349.744974	12.529229	0.86462750	1.617663
03/25/2090	73.980826	1.37834979	0.37242075	109.648213	349.520954	12.539725	0.86502372	1.618228
04/03/2119	50.310424	1.37791838	0.37216617	109.926127	349.273514	12.548209	0.86510377	1.617469
04/10/2148	28.966739	1.37846321	0.37212173	110.245141	349.061732	12.547850	0.86550709	1.618428
04/18/2177	5.634833	1.37759004	0.37159760	110.519506	348.809595	12.564728	0.86568089	1.616890

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