Asteroid General Data

2005 WK₄ (277475)

General information

Preliminary designation	2005 WK₄
Number	277475
Group	Apollo
Absolute magnitude	20.22
Approximate diameter (m)	240
Approximate mass (kg)	2.53·10¹⁰
Number of observations	309
Arc length (days)	3563

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	42.477749
a – orbit major semiaxis (astronomical units)	1.01053500
e – orbit eccentricity	0.23729400
ω – orbit ascending node-perihelion angle (degrees)	74.131488
Ω – longitude of orbit ascending node (degrees)	138.107957
i – orbit inclination to the ecliptic plane (degrees)	9.843867

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	226.917803	1.01082395	0.23780187	72.843530	139.820766	9.745126	0.77044813	1.016281
01/21/1858	64.597243	1.01074587	0.23779907	73.126050	139.682796	9.746356	0.77039144	1.016163
01/29/1887	263.986488	1.01056890	0.23753863	73.236194	139.382396	9.769793	0.77051975	1.015897
02/07/1916	114.659146	1.01033180	0.23796273	73.338772	139.137005	9.779096	0.76991049	1.015539
02/14/1945	322.507734	1.00966114	0.23771533	73.724145	138.964228	9.790724	0.76964920	1.014528
02/22/1974	158.790784	1.01160070	0.23727041	74.116459	138.597354	9.812303	0.77157779	1.017453
03/02/2003	343.792297	1.01162444	0.23727400	74.420137	138.436800	9.814476	0.77159226	1.017489
03/09/2032	183.107237	1.01042528	0.23737558	74.144508	138.093395	9.844236	0.77057500	1.015680
03/17/2061	27.859576	1.01076185	0.23748421	74.470800	137.911017	9.844324	0.77072187	1.016188
03/25/2090	218.528871	1.01295873	0.23670148	75.324252	137.509056	9.874892	0.77318990	1.019502
04/03/2119	25.464809	1.01323162	0.23699237	75.617942	137.343147	9.875218	0.77310345	1.019914
04/10/2148	211.344664	1.01113336	0.23687435	75.409374	136.993715	9.898061	0.77162181	1.016748
04/18/2177	45.807127	1.01132206	0.23693515	75.609359	136.858245	9.899268	0.77170432	1.017033

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