Asteroid General Data

2021 EX

General information

Preliminary designation	2021 EX
Group	Aten
Absolute magnitude	26.00
Approximate diameter (m)	17
Approximate mass (kg)	8.63·10⁶
Number of observations	68
Arc length (days)	27

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	209.982490
a – orbit major semiaxis (astronomical units)	0.95981000
e – orbit eccentricity	0.15255000
ω – orbit ascending node-perihelion angle (degrees)	122.814366
Ω – longitude of orbit ascending node (degrees)	165.819864
i – orbit inclination to the ecliptic plane (degrees)	2.453059

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	168.959137	0.95586758	0.15094208	118.422214	175.088007	3.021575	0.81158694	0.934539
01/21/1858	130.596155	0.95924177	0.15014476	117.094054	174.605357	2.997896	0.81521665	0.939491
01/29/1887	74.582463	0.96074693	0.15000023	117.671040	172.939598	2.956736	0.81663467	0.941703
02/07/1916	2.013665	0.96122640	0.15006209	118.586252	171.709009	2.931979	0.81698276	0.942408
02/14/1945	313.569229	0.95987618	0.15214915	120.958710	169.776433	2.570436	0.81383184	0.940423
02/22/1974	259.005998	0.96079543	0.15191334	120.531691	168.370342	2.544982	0.81483779	0.941775
03/02/2003	184.052681	0.96168194	0.15191335	121.924025	167.075716	2.521076	0.81558962	0.943078
03/09/2032	146.655902	0.95966718	0.15274107	122.796780	165.807174	2.457359	0.81308658	0.940116
03/17/2061	103.190808	0.96004207	0.15281711	124.247085	164.255667	2.433903	0.81333121	0.940667
03/25/2090	31.545003	0.96237048	0.15235726	124.541049	162.945743	2.400659	0.81574635	0.944091
04/03/2119	302.203743	0.96391473	0.15219402	124.441537	161.247481	2.346634	0.81721268	0.946365
04/10/2148	180.439056	0.96379144	0.15214632	125.047030	160.885839	2.349460	0.81715412	0.946183
04/18/2177	54.821188	0.96617235	0.15265682	125.639531	158.545419	2.207570	0.81867956	0.949691

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