Asteroid General Data

2021 AZ₄

General information

Preliminary designation	2021 AZ₄
Group	Aten
Absolute magnitude	21.40
Approximate diameter (m)	140
Approximate mass (kg)	4.96·10⁹
Number of observations	77
Arc length (days)	1094

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	128.652445
a – orbit major semiaxis (astronomical units)	0.96345400
e – orbit eccentricity	0.50819900
ω – orbit ascending node-perihelion angle (degrees)	201.287193
Ω – longitude of orbit ascending node (degrees)	115.890364
i – orbit inclination to the ecliptic plane (degrees)	44.520195

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	100.997043	0.96329555	0.50597632	200.832469	116.274958	44.563797	0.47589081	0.945453
01/21/1858	351.394945	0.96333517	0.50627173	200.892023	116.219289	44.550353	0.47562580	0.945511
01/29/1887	242.327238	0.96320298	0.50665825	200.960016	116.161233	44.540264	0.47518825	0.945317
02/07/1916	133.101146	0.96327631	0.50695186	201.039994	116.104252	44.528910	0.47494159	0.945425
02/14/1945	23.519670	0.96333962	0.50729336	201.106600	116.046519	44.514308	0.47464383	0.945518
02/22/1974	273.810169	0.96327456	0.50758448	201.162519	115.991090	44.505461	0.47433135	0.945422
03/02/2003	163.864391	0.96329082	0.50786746	201.227684	115.934100	44.496608	0.47406676	0.945446
03/09/2032	54.182019	0.96333698	0.50819478	201.285373	115.875428	44.481493	0.47377416	0.945514
03/17/2061	305.037449	0.96323016	0.50854757	201.350486	115.818310	44.472337	0.47338180	0.945357
03/25/2090	195.884373	0.96321603	0.50879190	201.431751	115.756584	44.456672	0.47313951	0.945336
04/03/2119	86.359726	0.96333139	0.50905354	201.493497	115.698644	44.440488	0.47294413	0.945506
04/10/2148	336.667322	0.96331512	0.50938383	201.562530	115.640884	44.427315	0.47261798	0.945482
04/18/2177	226.660971	0.96327985	0.50968094	201.631579	115.587367	44.417779	0.47231447	0.945430

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