Asteroid General Data

2021 EP₄

General information

Preliminary designation	2021 EP₄
Group	Apollo
Absolute magnitude	29.29
Approximate diameter (m)	4
Approximate mass (kg)	9.16·10⁴
Number of observations	63
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	290.681583
a – orbit major semiaxis (astronomical units)	1.57640200
e – orbit eccentricity	0.38426900
ω – orbit ascending node-perihelion angle (degrees)	154.478636
Ω – longitude of orbit ascending node (degrees)	355.335479
i – orbit inclination to the ecliptic plane (degrees)	5.004226

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	357.628176	1.54876932	0.37719436	148.346740	357.858705	4.609662	0.96458226	1.927439
01/21/1858	18.962289	1.54764569	0.37680288	148.848437	357.518976	4.614659	0.96448833	1.925342
01/29/1887	26.765814	1.56006210	0.38037565	150.320651	357.171528	4.732604	0.96665246	1.948558
02/07/1916	347.871892	1.56035739	0.38029513	150.664616	356.992728	4.730894	0.96696107	1.949112
02/14/1945	312.448605	1.55922310	0.37993768	151.164565	356.619613	4.741043	0.96681550	1.946987
02/22/1974	280.528017	1.55826268	0.37999344	151.694856	356.237653	4.751352	0.96613309	1.945188
03/02/2003	260.337858	1.55416107	0.37818428	151.868336	355.887661	4.798564	0.96640179	1.937513
03/09/2032	207.083241	1.57550434	0.38410186	154.531328	355.282830	5.004881	0.97035019	1.977562
03/17/2061	89.224356	1.57586310	0.38365725	154.850498	355.120997	5.001639	0.97127179	1.978237
03/25/2090	330.754022	1.57564637	0.38337060	155.128580	354.981961	4.999997	0.97158987	1.977829
04/03/2119	208.069431	1.57557348	0.38316075	155.928932	354.322463	5.053767	0.97187556	1.977692
04/10/2148	92.552073	1.57521778	0.38282373	156.208885	354.155354	5.051729	0.97218703	1.977022
04/18/2177	336.258541	1.57513321	0.38245540	156.573185	353.994058	5.049550	0.97271501	1.976863

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