Asteroid General Data

2021 WE₄

General information

Preliminary designation	2021 WE₄
Group	Apollo
Absolute magnitude	28.12
Approximate diameter (m)	6
Approximate mass (kg)	4.61·10⁵
Number of observations	12
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	341.914576
a – orbit major semiaxis (astronomical units)	1.40806400
e – orbit eccentricity	0.36763900
ω – orbit ascending node-perihelion angle (degrees)	310.271801
Ω – longitude of orbit ascending node (degrees)	57.867968
i – orbit inclination to the ecliptic plane (degrees)	4.073655

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	259.662945	1.39947055	0.36340252	306.821789	59.888874	4.076138	0.89089943	1.655565
01/21/1858	76.921438	1.40147037	0.36411881	307.408049	59.381296	4.073899	0.89116864	1.659115
01/29/1887	256.556889	1.40115135	0.36383902	307.697706	59.199203	4.074598	0.89135782	1.658549
02/07/1916	71.454852	1.40062527	0.36374858	307.872736	58.970335	4.084897	0.89114982	1.657615
02/14/1945	256.794174	1.39952192	0.36355491	308.308082	58.571277	4.082576	0.89071886	1.655656
02/22/1974	82.260674	1.40144519	0.36388268	308.584096	58.394587	4.082360	0.89148356	1.659070
03/02/2003	261.735100	1.40041735	0.36362358	309.035871	57.966390	4.079255	0.89119258	1.657245
03/09/2032	80.308572	1.40939331	0.36803148	310.430265	57.823112	4.072266	0.89069221	1.673204
03/17/2061	203.726575	1.40929885	0.36820679	310.673309	57.680888	4.071992	0.89038544	1.673036
03/25/2090	325.797165	1.40864282	0.36763581	311.204776	57.229808	4.064167	0.89077528	1.671868
04/03/2119	105.150332	1.40287038	0.36584558	310.989242	56.814144	4.073372	0.88963646	1.661602
04/10/2148	274.483293	1.40192643	0.36557929	311.612246	56.213716	4.069211	0.88941116	1.659925
04/18/2177	94.570698	1.40085218	0.36562334	311.898853	56.068646	4.065105	0.88866793	1.658017

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