Asteroid General Data

2021 ES

General information

Preliminary designation	2021 ES
Group	Apollo
Absolute magnitude	26.79
Approximate diameter (m)	12
Approximate mass (kg)	2.90·10⁶
Number of observations	43
Arc length (days)	7

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	334.975027
a – orbit major semiaxis (astronomical units)	2.01946400
e – orbit eccentricity	0.49547900
ω – orbit ascending node-perihelion angle (degrees)	323.358186
Ω – longitude of orbit ascending node (degrees)	197.728461
i – orbit inclination to the ecliptic plane (degrees)	0.160260

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	77.644384	2.02835902	0.49986453	266.538288	252.442788	0.081895	1.01445428	2.888803
01/21/1858	86.481947	2.03088883	0.49705290	288.757430	230.902727	0.090693	1.02142965	2.894209
01/29/1887	106.340451	2.02488023	0.49970349	297.901189	222.139092	0.097962	1.01304050	2.881374
02/07/1916	136.306426	2.02119563	0.50062514	301.173588	218.792622	0.102904	1.00933428	2.873513
02/14/1945	169.156194	2.02126976	0.49568518	309.319343	210.921820	0.118133	1.01935630	2.873671
02/22/1974	207.812575	2.01738261	0.49706266	317.984653	202.854674	0.136552	1.01461705	2.865385
03/02/2003	257.043597	2.01575138	0.49813277	319.641358	201.145064	0.144173	1.01163956	2.861911
03/09/2032	302.627900	2.01889964	0.49496791	323.450490	197.622728	0.161045	1.01960910	2.868618
03/17/2061	344.762460	2.01647374	0.49701381	328.595479	193.055778	0.184227	1.01425844	2.863449
03/25/2090	30.654237	2.01745476	0.49810305	329.620799	192.054601	0.191690	1.01255439	2.865539
04/03/2119	69.666411	2.02250089	0.49450803	332.422108	189.608299	0.214812	1.02235797	2.876297
04/10/2148	101.601410	2.02114274	0.49733580	335.068206	187.412360	0.233236	1.01595610	2.873400
04/18/2177	137.898373	2.02300947	0.50051813	335.906251	186.579120	0.241558	1.01045655	2.877382

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