Asteroid General Data

2004 SW₅₅ (494697)

General information

Preliminary designation	2004 SW₅₅
Number	494697
Group	Apollo
Absolute magnitude	20.77
Approximate diameter (m)	190
Approximate mass (kg)	1.19·10¹⁰
Number of observations	178
Arc length (days)	6362

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	285.687996
a – orbit major semiaxis (astronomical units)	1.42769900
e – orbit eccentricity	0.33387100
ω – orbit ascending node-perihelion angle (degrees)	352.857634
Ω – longitude of orbit ascending node (degrees)	75.116124
i – orbit inclination to the ecliptic plane (degrees)	8.784538

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	329.543799	1.42838640	0.33469690	350.904778	76.349235	8.771821	0.95030990	1.707140
01/21/1858	332.680664	1.42805818	0.33439841	351.189301	76.169918	8.774637	0.95051779	1.706552
01/29/1887	338.554192	1.42772876	0.33418281	351.425973	75.985744	8.780542	0.95060635	1.705961
02/07/1916	344.819528	1.42794258	0.33413602	351.751537	75.795762	8.778294	0.95081553	1.706345
02/14/1945	348.252462	1.42846930	0.33429616	352.040613	75.625619	8.773661	0.95093750	1.707289
02/22/1974	350.279881	1.42833884	0.33417527	352.348652	75.461836	8.774396	0.95102332	1.707055
03/02/2003	354.497764	1.42780048	0.33397773	352.621100	75.281329	8.780439	0.95094691	1.706090
03/09/2032	1.194060	1.42763900	0.33402612	352.926115	75.092256	8.785447	0.95077028	1.705800
03/17/2061	6.553603	1.42821315	0.33424703	353.219666	74.903452	8.778371	0.95083715	1.706830
03/25/2090	8.760850	1.42846289	0.33452043	353.483628	74.736634	8.777589	0.95061286	1.707277
04/03/2119	11.612280	1.42812945	0.33421886	353.757437	74.568973	8.779269	0.95082166	1.706680
04/10/2148	17.204892	1.42769962	0.33394299	354.011830	74.378849	8.785086	0.95092935	1.705909
04/18/2177	23.782830	1.42779204	0.33385203	354.330835	74.189736	8.783562	0.95112077	1.706075

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