Asteroid General Data

2011 EF₁₇

General information

Preliminary designation	2011 EF₁₇
Group	Apollo
Absolute magnitude	19.18
Approximate diameter (m)	390
Approximate mass (kg)	1.07·10¹¹
Number of observations	99
Arc length (days)	4333

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	78.739394
a – orbit major semiaxis (astronomical units)	2.34255300
e – orbit eccentricity	0.74335300
ω – orbit ascending node-perihelion angle (degrees)	282.464837
Ω – longitude of orbit ascending node (degrees)	3.797386
i – orbit inclination to the ecliptic plane (degrees)	4.217942

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	187.446643	2.35913268	0.74328203	251.636478	32.777871	4.406973	0.60563175	3.623507
01/21/1858	181.064202	2.35762357	0.74413675	257.674059	27.134293	4.284986	0.60322922	3.620031
01/29/1887	179.057813	2.36001919	0.74261209	264.286349	20.927336	4.203581	0.60744042	3.625550
02/07/1916	188.699746	2.35468998	0.74397434	265.316036	19.924924	4.202211	0.60286105	3.613277
02/14/1945	198.603496	2.34684866	0.74489489	270.450318	15.085685	4.176208	0.59869309	3.595243
02/22/1974	214.620298	2.35159025	0.74277073	276.833885	9.146911	4.179743	0.60489784	3.606144
03/02/2003	243.779347	2.35468124	0.73939115	280.602799	5.589161	4.185396	0.61365076	3.613257
03/09/2032	268.183259	2.34378171	0.74312707	282.547918	3.684242	4.217951	0.60205408	3.588198
03/17/2061	292.613406	2.34009721	0.74519420	287.561533	359.031903	4.294960	0.59627035	3.579740
03/25/2090	325.151871	2.34143570	0.74404428	292.977475	354.009785	4.408102	0.59930387	3.582812
04/03/2119	6.229409	2.34072180	0.74349626	293.770787	353.212781	4.424806	0.60040390	3.581173
04/10/2148	39.270441	2.34141570	0.74300001	298.709454	348.642452	4.564713	0.60174382	3.582766
04/18/2177	64.894056	2.34292196	0.74285921	302.521901	345.202465	4.681729	0.60246081	3.586223

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