Asteroid General Data

2019 SF₄

General information

Preliminary designation	2019 SF₄
Group	Apollo
Absolute magnitude	25.66
Approximate diameter (m)	20
Approximate mass (kg)	1.38·10⁷
Number of observations	29
Arc length (days)	35

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	74.169837
a – orbit major semiaxis (astronomical units)	2.16867600
e – orbit eccentricity	0.53794400
ω – orbit ascending node-perihelion angle (degrees)	317.720611
Ω – longitude of orbit ascending node (degrees)	16.938338
i – orbit inclination to the ecliptic plane (degrees)	1.464427

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	236.237060	2.19481049	0.54403479	310.296386	22.369016	1.417594	1.00075723	3.251593
01/21/1858	196.388688	2.20208271	0.54353165	310.955691	21.917848	1.425257	1.00518106	3.267767
01/29/1887	154.540682	2.20086294	0.54494418	311.892769	21.315769	1.415357	1.00151548	3.265052
02/07/1916	110.565598	2.20247252	0.54334931	312.232521	21.233749	1.407639	1.00576060	3.268634
02/14/1945	71.498313	2.20046941	0.54434585	314.151613	19.636582	1.416393	1.00265303	3.264176
02/22/1974	30.280940	2.20068520	0.54342306	314.581084	19.477738	1.409081	1.00478212	3.264657
03/02/2003	345.121971	2.20373931	0.54568347	316.611030	17.784590	1.455104	1.00119520	3.271455
03/09/2032	291.185501	2.21020821	0.54551640	317.838237	16.998652	1.478464	1.00450339	3.285870
03/17/2061	224.380862	2.21268758	0.54792314	318.470707	16.601748	1.479968	1.00030487	3.291401
03/25/2090	157.276105	2.21147157	0.54584031	319.259041	16.185406	1.472537	1.00436123	3.288688
04/03/2119	95.704147	2.20845315	0.54746646	320.969061	14.554638	1.505144	0.99939912	3.281957
04/10/2148	37.373639	2.20570040	0.54524480	323.439256	12.414859	1.540794	1.00305373	3.275823
04/18/2177	346.724743	2.20398984	0.54678359	324.003562	11.931631	1.533614	0.99888437	3.272013

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