Asteroid General Data

2011 WS₂ (530871)

General information

Preliminary designation	2011 WS₂
Number	530871
Group	Apollo
Absolute magnitude	17.25
Approximate diameter (m)	940
Approximate mass (kg)	1.53·10¹²
Number of observations	126
Arc length (days)	4024

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	265.571406
a – orbit major semiaxis (astronomical units)	1.00947300
e – orbit eccentricity	0.74325900
ω – orbit ascending node-perihelion angle (degrees)	307.685294
Ω – longitude of orbit ascending node (degrees)	326.713933
i – orbit inclination to the ecliptic plane (degrees)	46.799920

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	320.957708	1.00948137	0.74836342	307.209750	327.691230	46.369676	0.25402244	1.014257
01/21/1858	178.381321	1.00983224	0.74748804	307.264665	327.561233	46.427373	0.25499472	1.014786
01/29/1887	36.656647	1.00945565	0.74681827	307.345925	327.406872	46.494936	0.25557572	1.014218
02/07/1916	256.285009	1.00982145	0.74596072	307.410527	327.266465	46.556881	0.25653432	1.014770
02/14/1945	112.480072	1.00952365	0.74528523	307.488216	327.119701	46.622503	0.25714059	1.014321
02/22/1974	333.040446	1.00947085	0.74464000	307.569016	326.972637	46.686945	0.25777847	1.014241
03/02/2003	189.649319	1.00974355	0.74380063	307.624841	326.835084	46.747620	0.25869566	1.014652
03/09/2032	49.139920	1.00950541	0.74321838	307.688388	326.692070	46.806177	0.25922244	1.014293
03/17/2061	267.929746	1.00984873	0.74231772	307.752505	326.551094	46.868908	0.26022013	1.014811
03/25/2090	124.935766	1.00956884	0.74165351	307.812489	326.419383	46.926704	0.26081857	1.014389
04/03/2119	345.488491	1.00962145	0.74080612	307.874774	326.282952	46.988824	0.26168770	1.014468
04/10/2148	201.315879	1.00972412	0.74003987	307.935393	326.148132	47.047603	0.26248801	1.014623
04/18/2177	61.350487	1.00949358	0.73935194	308.011413	326.008432	47.105973	0.26312255	1.014276

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