Asteroid General Data

2009 SY

General information

Preliminary designation	2009 SY
Group	Apollo
Absolute magnitude	22.92
Approximate diameter (m)	69
Approximate mass (kg)	6.08·10⁸
Number of observations	63
Arc length (days)	7680

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	121.185064
a – orbit major semiaxis (astronomical units)	1.25078100
e – orbit eccentricity	0.44083000
ω – orbit ascending node-perihelion angle (degrees)	57.667498
Ω – longitude of orbit ascending node (degrees)	176.187337
i – orbit inclination to the ecliptic plane (degrees)	14.678334

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	75.016169	1.25103766	0.43994200	56.152728	177.553612	14.742301	0.70065365	1.399285
01/21/1858	339.740802	1.25137369	0.44033780	56.389774	177.355277	14.726273	0.70034655	1.399849
01/29/1887	240.829602	1.25157143	0.44031677	56.590417	177.165751	14.716548	0.70048355	1.400181
02/07/1916	138.475158	1.25228831	0.44062115	56.782219	176.983117	14.705599	0.70050359	1.401384
02/14/1945	32.023076	1.25240086	0.44082211	56.997544	176.777695	14.692025	0.70031487	1.401573
02/22/1974	286.881511	1.25229049	0.44090961	57.209298	176.580728	14.685195	0.70014357	1.401387
03/02/2003	186.292086	1.25164066	0.44103932	57.455844	176.356517	14.681004	0.69961791	1.400297
03/09/2032	90.263122	1.25079323	0.44097838	57.684001	176.160769	14.683137	0.69922045	1.398875
03/17/2061	5.012285	1.24966672	0.44071839	57.983227	175.949830	14.674183	0.69891562	1.396986
03/25/2090	283.379598	1.24979199	0.44087459	58.152726	175.779857	14.666684	0.69879047	1.397196
04/03/2119	193.638858	1.25122529	0.44124992	58.368881	175.570430	14.658835	0.69912223	1.399600
04/10/2148	94.383368	1.25236490	0.44153783	58.596081	175.339330	14.660211	0.69939842	1.401512
04/18/2177	345.813539	1.25313911	0.44180017	58.761594	175.152797	14.653674	0.69950203	1.402812

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