Asteroid General Data

2021 ES₁

General information

Preliminary designation	2021 ES₁
Group	Apollo
Absolute magnitude	27.87
Approximate diameter (m)	7
Approximate mass (kg)	6.51·10⁵
Number of observations	35
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	239.087922
a – orbit major semiaxis (astronomical units)	2.23895200
e – orbit eccentricity	0.56164700
ω – orbit ascending node-perihelion angle (degrees)	153.911916
Ω – longitude of orbit ascending node (degrees)	352.803710
i – orbit inclination to the ecliptic plane (degrees)	1.687061

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	12.073438	2.22056066	0.55915584	146.903696	357.174426	1.569288	0.97892120	3.308983
01/21/1858	289.266040	2.21942251	0.55829170	147.867009	356.556567	1.564715	0.98033735	3.306440
01/29/1887	210.867527	2.22857825	0.56053494	148.961726	356.005865	1.586615	0.97938228	3.326921
02/07/1916	118.900479	2.22329868	0.55950136	149.933885	355.291236	1.581204	0.97936006	3.315105
02/14/1945	28.305978	2.22422691	0.55920002	150.549653	355.044418	1.570333	0.98043918	3.317182
02/22/1974	299.724541	2.22188994	0.56113174	151.926160	353.785976	1.597717	0.97511698	3.311955
03/02/2003	209.574411	2.22550607	0.55848456	152.312436	353.634045	1.580735	0.98259528	3.320044
03/09/2032	107.339316	2.24062690	0.56176332	154.042529	352.706317	1.686494	0.98192488	3.353937
03/17/2061	349.707122	2.23582169	0.56473500	154.543759	352.337392	1.683573	0.97317493	3.343154
03/25/2090	228.906258	2.23585099	0.56172477	154.962670	352.094370	1.669321	0.97991810	3.343220
04/03/2119	101.007167	2.24198890	0.55850075	155.959251	351.896135	1.638210	0.98983642	3.356996
04/10/2148	334.175030	2.24157339	0.56114706	156.733721	351.575557	1.630596	0.98372108	3.356063
04/18/2177	208.870769	2.23993094	0.56262478	157.199425	351.286746	1.624878	0.97969028	3.352375

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