Asteroid General Data

2021 EN

General information

Preliminary designation	2021 EN
Group	Apollo
Absolute magnitude	26.43
Approximate diameter (m)	14
Approximate mass (kg)	4.76·10⁶
Number of observations	25
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	321.149012
a – orbit major semiaxis (astronomical units)	1.10899100
e – orbit eccentricity	0.18137500
ω – orbit ascending node-perihelion angle (degrees)	299.086687
Ω – longitude of orbit ascending node (degrees)	150.538801
i – orbit inclination to the ecliptic plane (degrees)	4.178924

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	20.751042	1.12756780	0.18908101	300.170105	154.067092	4.066239	0.91436614	1.197332
01/21/1858	121.140910	1.12594545	0.18838045	300.715454	153.701189	4.062490	0.91383933	1.194749
01/29/1887	322.617672	1.11098897	0.18200038	297.466478	153.224943	4.206230	0.90878856	1.171022
02/07/1916	249.181638	1.10982551	0.18172392	298.120472	152.643631	4.190576	0.90814366	1.169183
02/14/1945	212.019007	1.10482296	0.17980283	296.829141	151.764757	4.212689	0.90617267	1.161287
02/22/1974	211.758663	1.10421900	0.17957142	296.914993	151.446701	4.220585	0.90593283	1.160335
03/02/2003	222.733577	1.10391676	0.17953094	297.526676	150.824784	4.205497	0.90572955	1.159859
03/09/2032	205.988760	1.11039470	0.18194785	299.325296	150.476569	4.179727	0.90836078	1.170083
03/17/2061	133.079674	1.11027859	0.18194883	299.639039	150.301758	4.183175	0.90826469	1.169900
03/25/2090	78.075175	1.10894584	0.18173526	300.216598	149.024172	4.154368	0.90741128	1.167794
04/03/2119	36.454719	1.10735873	0.18089423	299.680596	148.304787	4.169352	0.90704393	1.165288
04/10/2148	5.163892	1.10600732	0.18064664	300.528942	147.237634	4.135052	0.90621082	1.163155
04/18/2177	346.419293	1.10712334	0.18100801	300.969531	147.057238	4.136532	0.90672514	1.164916

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