Asteroid General Data

2004 WS₂ (170903)

General information

Preliminary designation	2004 WS₂
Number	170903
Group	Apollo
Absolute magnitude	18.20
Approximate diameter (m)	610
Approximate mass (kg)	4.13·10¹¹
Number of observations	1021
Arc length (days)	8415

Approaches

Date	Object	r, AU	r, km
09/24/1901 04:49:26 AM	Venus	0.000789	118 046

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	354.649675
a – orbit major semiaxis (astronomical units)	1.33617959
e – orbit eccentricity	0.60303134
ω – orbit ascending node-perihelion angle (degrees)	115.450567
Ω – longitude of orbit ascending node (degrees)	87.662873
i – orbit inclination to the ecliptic plane (degrees)	8.266614

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	339.627944	1.31463705	0.59958506	112.390216	89.590664	7.903926	0.52640032	1.507334
01/21/1858	55.462253	1.31698166	0.60019139	112.833371	89.194084	7.889440	0.52654061	1.511368
01/29/1887	127.106079	1.31675575	0.59996823	113.148918	88.882711	7.891427	0.52674413	1.510979
02/07/1916	132.539101	1.33594507	0.60307310	114.003617	88.929314	8.253939	0.53027254	1.544129
02/14/1945	56.996747	1.33630793	0.60308613	114.368083	88.600818	8.260616	0.53039915	1.544758
02/22/1974	341.846856	1.33568562	0.60291769	114.748416	88.236880	8.245751	0.53037714	1.543679
03/02/2003	268.342263	1.33646261	0.60314046	115.166957	87.894818	8.257718	0.53038794	1.545026
03/09/2032	191.240775	1.33575872	0.60296437	115.543465	87.584671	8.261008	0.53034381	1.543806
03/17/2061	118.209525	1.33569736	0.60286745	115.885570	87.207574	8.264030	0.53044890	1.543699
03/25/2090	44.686672	1.33564614	0.60302157	116.253238	86.902309	8.256378	0.53022270	1.543611
04/03/2119	337.207270	1.33444741	0.60280008	116.746963	86.512561	8.261015	0.53004240	1.541533
04/10/2148	274.287986	1.33404350	0.60286613	117.056800	86.176460	8.254480	0.52979386	1.540833
04/18/2177	231.474242	1.33050223	0.60226958	117.209790	85.853125	8.263632	0.52918121	1.534702

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