Asteroid General Data

2009 SN

General information

Preliminary designation	2009 SN
Group	Apollo
Absolute magnitude	21.67
Approximate diameter (m)	120
Approximate mass (kg)	3.42·10⁹
Number of observations	26
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	314.099750
a – orbit major semiaxis (astronomical units)	1.43341200
e – orbit eccentricity	0.32447900
ω – orbit ascending node-perihelion angle (degrees)	37.733437
Ω – longitude of orbit ascending node (degrees)	344.570286
i – orbit inclination to the ecliptic plane (degrees)	26.541629

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	199.404160	1.43345098	0.32238392	36.518166	345.475079	26.640106	0.97132944	1.716228
01/21/1858	165.119885	1.43392227	0.32286988	36.679575	345.344510	26.625292	0.97095196	1.717074
01/29/1887	130.499956	1.43353349	0.32308857	36.853593	345.220699	26.614900	0.97037521	1.716376
02/07/1916	100.939344	1.43200837	0.32266827	37.126552	345.081061	26.606480	0.96994471	1.713637
02/14/1945	82.177371	1.43088411	0.32249282	37.344105	344.950843	26.598929	0.96943425	1.711620
02/22/1974	66.176076	1.43096044	0.32283151	37.524022	344.814167	26.581237	0.96900132	1.711757
03/02/2003	49.043936	1.43138017	0.32331608	37.661019	344.685136	26.565962	0.96859194	1.712510
03/09/2032	22.744941	1.43333982	0.32450866	37.800232	344.540074	26.535495	0.96820864	1.716028
03/17/2061	348.132694	1.43395347	0.32511442	37.940187	344.410450	26.518889	0.96775451	1.717130
03/25/2090	312.605578	1.43364480	0.32541748	38.133157	344.276039	26.503307	0.96711172	1.716576
04/03/2119	281.068777	1.43248742	0.32527683	38.361863	344.147484	26.495395	0.96653246	1.714497
04/10/2148	261.172398	1.43100202	0.32512204	38.613378	344.013952	26.486639	0.96575173	1.711831
04/18/2177	245.650225	1.43068544	0.32531680	38.772114	343.883870	26.475256	0.96525944	1.711263

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