Asteroid General Data

2021 EL₄

General information

Preliminary designation	2021 EL₄
Group	Aten
Absolute magnitude	25.80
Approximate diameter (m)	18
Approximate mass (kg)	1.14·10⁷
Number of observations	155
Arc length (days)	469

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	188.812826
a – orbit major semiaxis (astronomical units)	0.91735600
e – orbit eccentricity	0.29873400
ω – orbit ascending node-perihelion angle (degrees)	230.201357
Ω – longitude of orbit ascending node (degrees)	180.171330
i – orbit inclination to the ecliptic plane (degrees)	1.657723

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	99.378560	0.91692536	0.29891987	212.694080	198.283019	1.195996	0.64283815	0.878014
01/21/1858	111.580189	0.91866949	0.29934657	216.904066	194.017321	1.203150	0.64366894	0.880521
01/29/1887	95.689606	0.91837363	0.29921410	217.579950	193.045979	1.225911	0.64358329	0.880095
02/07/1916	91.351112	0.91845379	0.29945214	219.622400	190.828927	1.234095	0.64342083	0.880211
02/14/1945	88.659041	0.91712622	0.29910428	220.748870	189.567613	1.260003	0.64280985	0.878303
02/22/1974	125.613760	0.91350959	0.29991662	221.624860	187.958852	1.353466	0.63953288	0.873113
03/02/2003	220.535992	0.91329012	0.29979668	223.157792	186.270475	1.378680	0.63948877	0.872798
03/09/2032	271.855309	0.91766015	0.29865798	230.307984	180.032166	1.658495	0.64359362	0.879070
03/17/2061	262.800344	0.91873205	0.29892910	231.873989	178.405646	1.675632	0.64409631	0.880611
03/25/2090	257.591690	0.91786805	0.29902245	232.084989	177.735175	1.717204	0.64340490	0.879369
04/03/2119	249.324513	0.91897521	0.29892627	233.379461	176.209514	1.731565	0.64426938	0.880960
04/10/2148	244.361104	0.91800248	0.29884479	233.645893	175.583456	1.785754	0.64366223	0.879562
04/18/2177	233.502651	0.91864778	0.29879744	235.017088	173.878790	1.809560	0.64415817	0.880489

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