Asteroid General Data

2010 EF₂₁

General information

Preliminary designation	2010 EF₂₁
Group	Apollo
Absolute magnitude	18.44
Approximate diameter (m)	540
Approximate mass (kg)	2.96·10¹¹
Number of observations	92
Arc length (days)	5570

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	150.955918
a – orbit major semiaxis (astronomical units)	2.41794700
e – orbit eccentricity	0.72154900
ω – orbit ascending node-perihelion angle (degrees)	145.793875
Ω – longitude of orbit ascending node (degrees)	298.950180
i – orbit inclination to the ecliptic plane (degrees)	10.688734

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	331.739942	2.41461431	0.73558436	129.162025	313.685430	8.475893	0.63846179	3.752082
01/21/1858	219.657460	2.43529913	0.72497568	131.859004	311.209606	8.692251	0.66976650	3.800398
01/29/1887	99.953041	2.41647760	0.73019854	136.115717	307.421860	9.224359	0.65196919	3.756425
02/07/1916	8.866811	2.41594018	0.73063081	136.604085	306.885815	9.296336	0.65077984	3.755172
02/14/1945	256.185296	2.43018558	0.72155606	139.557393	304.347397	9.648410	0.67667045	3.788434
02/22/1974	156.426712	2.40842272	0.72968916	142.142396	302.066418	10.097590	0.65102278	3.737659
03/02/2003	66.169686	2.41656444	0.72583396	142.515878	301.667187	10.129720	0.66253990	3.756628
03/09/2032	315.076623	2.41114897	0.72493295	146.446842	298.386444	10.830673	0.66322764	3.744007
03/17/2061	230.813307	2.40917630	0.72658847	146.792622	298.011571	10.901969	0.65869658	3.739413
03/25/2090	132.475964	2.42542677	0.71829435	148.245670	296.753653	11.077666	0.68325643	3.777312
04/03/2119	37.948848	2.40605308	0.72429701	150.495071	294.982424	11.639794	0.66335603	3.732144
04/10/2148	313.167569	2.41182845	0.72101754	150.686466	294.750563	11.647644	0.67285784	3.745590
04/18/2177	206.380275	2.40892489	0.71949742	153.648000	292.499380	12.303133	0.67570965	3.738828

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