Asteroid General Data

2011 EP₄₀

General information

Preliminary designation	2011 EP₄₀
Group	Apollo
Absolute magnitude	21.07
Approximate diameter (m)	160
Approximate mass (kg)	7.83·10⁹
Number of observations	64
Arc length (days)	3956

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	149.590562
a – orbit major semiaxis (astronomical units)	1.08072400
e – orbit eccentricity	0.28160200
ω – orbit ascending node-perihelion angle (degrees)	180.837873
Ω – longitude of orbit ascending node (degrees)	145.162354
i – orbit inclination to the ecliptic plane (degrees)	16.781444

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	86.963927	1.07974270	0.27844893	180.032390	145.983127	16.526927	0.77908950	1.121969
01/21/1858	37.415483	1.08000444	0.27855415	180.178752	145.850893	16.530199	0.77916471	1.122377
01/29/1887	349.834875	1.07943135	0.27826578	180.336192	145.714834	16.535702	0.77906254	1.121484
02/07/1916	305.140737	1.07951703	0.27829799	180.487559	145.574092	16.538975	0.77908961	1.121618
02/14/1945	260.195846	1.07963645	0.27834163	180.632787	145.440900	16.542977	0.77912868	1.121804
02/22/1974	212.033413	1.07998788	0.27857998	180.788483	145.304502	16.545146	0.77912488	1.122352
03/02/2003	162.137240	1.07972007	0.27840721	180.925311	145.146877	16.549753	0.77911822	1.121934
03/09/2032	115.043584	1.07973942	0.27831120	181.067202	145.017210	16.552106	0.77923585	1.121964
03/17/2061	70.842527	1.07931174	0.27807921	181.203451	144.882876	16.556341	0.77917758	1.121298
03/25/2090	25.217315	1.07973852	0.27831640	181.385052	144.739185	16.558180	0.77922958	1.121963
04/03/2119	336.794520	1.07982443	0.27831350	181.522285	144.610609	16.561642	0.77929471	1.122097
04/10/2148	286.957815	1.07993301	0.27841251	181.679133	144.473585	16.563962	0.77926615	1.122266
04/18/2177	240.432601	1.07944751	0.27808658	181.842734	144.328419	16.569635	0.77926764	1.121509

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