Asteroid General Data

2020 SY₄

General information

Preliminary designation	2020 SY₄
Group	Apollo
Absolute magnitude	27.34
Approximate diameter (m)	9
Approximate mass (kg)	1.35·10⁶
Number of observations	36
Arc length (days)	6

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	98.743712
a – orbit major semiaxis (astronomical units)	1.87438900
e – orbit eccentricity	0.61358600
ω – orbit ascending node-perihelion angle (degrees)	244.982301
Ω – longitude of orbit ascending node (degrees)	195.255155
i – orbit inclination to the ecliptic plane (degrees)	0.572686

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	131.945384	1.90719464	0.61852419	238.047506	200.007532	0.473984	0.72754863	2.633863
01/21/1858	154.782829	1.89633297	0.61785401	239.535705	199.022706	0.484129	0.72467603	2.611395
01/29/1887	203.472073	1.89094055	0.61720857	239.956311	198.652920	0.497106	0.72383583	2.600264
02/07/1916	255.609431	1.89143512	0.61625230	240.787721	198.142815	0.507204	0.72583387	2.601284
02/14/1945	314.614452	1.88901060	0.61597190	241.318419	197.860060	0.512364	0.72543315	2.596284
02/22/1974	16.783819	1.89194874	0.61575960	242.061738	197.329580	0.518103	0.72696313	2.602344
03/02/2003	74.110805	1.89164914	0.61595076	242.517999	197.160523	0.528090	0.72648642	2.601726
03/09/2032	144.927779	1.87526296	0.61419464	245.126637	195.079443	0.576532	0.72348650	2.567993
03/17/2061	256.450064	1.87349399	0.61324122	245.764987	194.628675	0.580679	0.72459025	2.564360
03/25/2090	13.993076	1.87204807	0.61391180	245.896319	194.534885	0.586797	0.72277567	2.561392
04/03/2119	131.837808	1.87216827	0.61313557	246.539870	194.098377	0.590521	0.72427530	2.561639
04/10/2148	319.542931	1.85465017	0.61060361	253.127313	188.291399	0.713951	0.72219408	2.525769
04/18/2177	136.987192	1.85406058	0.61007487	253.815123	187.802540	0.718541	0.72294481	2.524565

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