Asteroid General Data

1997 WS₂₂ (21374)

General information

Preliminary designation	1997 WS₂₂
Number	21374
Group	Amor
Absolute magnitude	17.45
Approximate diameter (m)	860
Approximate mass (kg)	1.16·10¹²
Number of observations	2202
Arc length (days)	18416

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	211.581176
a – orbit major semiaxis (astronomical units)	1.26946600
e – orbit eccentricity	0.12065200
ω – orbit ascending node-perihelion angle (degrees)	197.323571
Ω – longitude of orbit ascending node (degrees)	59.187237
i – orbit inclination to the ecliptic plane (degrees)	23.978879

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	153.024044	1.26941116	0.12013611	195.756369	59.918995	23.997443	1.11690904	1.430224
01/21/1858	256.443975	1.26969138	0.12050185	195.973265	59.812597	23.995582	1.11669122	1.430698
01/29/1887	357.336732	1.26982990	0.12054975	196.109106	59.705916	23.992630	1.11675223	1.430932
02/07/1916	99.411423	1.26952702	0.12028898	196.368032	59.597884	23.989783	1.11681691	1.430420
02/14/1945	203.228490	1.26968643	0.12059528	196.693806	59.485826	23.985973	1.11656823	1.430689
02/22/1974	304.547125	1.26994404	0.12080388	196.818630	59.384448	23.983370	1.11652987	1.431125
03/02/2003	45.808528	1.26975299	0.12079375	197.039915	59.278943	23.981615	1.11637476	1.430802
03/09/2032	149.819760	1.26943866	0.12067162	197.306078	59.170927	23.979813	1.11625345	1.430271
03/17/2061	251.752137	1.26985261	0.12102085	197.553011	59.061131	23.977017	1.11617396	1.430970
03/25/2090	352.632813	1.26977112	0.12102599	197.704847	58.955554	23.976150	1.11609580	1.430832
04/03/2119	95.835822	1.26941555	0.12090105	198.002090	58.842732	23.973691	1.11594187	1.430231
04/10/2148	198.974940	1.26984390	0.12129838	198.239394	58.732424	23.969778	1.11581389	1.430955
04/18/2177	299.913604	1.26992722	0.12135050	198.336549	58.628657	23.967542	1.11582092	1.431096

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