Asteroid General Data

2009 SJ

General information

Preliminary designation	2009 SJ
Group	Apollo
Absolute magnitude	25.84
Approximate diameter (m)	18
Approximate mass (kg)	1.08·10⁷
Number of observations	12
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	110.440839
a – orbit major semiaxis (astronomical units)	1.23264800
e – orbit eccentricity	0.26338200
ω – orbit ascending node-perihelion angle (degrees)	245.603108
Ω – longitude of orbit ascending node (degrees)	176.827096
i – orbit inclination to the ecliptic plane (degrees)	10.093740

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	320.760129	1.23165490	0.26230804	243.719710	178.362728	10.147630	0.90858191	1.366892
01/21/1858	46.571554	1.23142921	0.26222993	244.043036	178.118037	10.144704	0.90851162	1.366516
01/29/1887	131.965476	1.23108368	0.26200455	244.303557	177.925726	10.149151	0.90853416	1.365941
02/07/1916	212.122654	1.23259050	0.26271556	244.469847	177.684440	10.137816	0.90876979	1.368450
02/14/1945	278.094874	1.23387575	0.26337066	244.574247	177.479151	10.117215	0.90890909	1.370591
02/22/1974	337.565980	1.23370136	0.26325026	244.858996	177.236853	10.114816	0.90892916	1.370300
03/02/2003	39.425867	1.23425924	0.26348860	245.089986	177.035966	10.117210	0.90904600	1.371230
03/09/2032	110.659707	1.23263462	0.26341709	245.658808	176.800440	10.093052	0.90793760	1.368523
03/17/2061	197.951283	1.23125186	0.26320402	246.122241	176.573093	10.068567	0.90718142	1.366221
03/25/2090	285.455109	1.23112243	0.26330712	246.431292	176.371330	10.073669	0.90695912	1.366006
04/03/2119	3.141728	1.23063134	0.26364841	246.891228	176.093879	10.031827	0.90617734	1.365188
04/10/2148	92.644914	1.23130720	0.26381875	247.051387	175.876774	10.032151	0.90646528	1.366313
04/18/2177	180.276724	1.23092504	0.26404833	247.495361	175.642113	9.995718	0.90590134	1.365677

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