Asteroid General Data

2009 SS₁₇₂

General information

Preliminary designation	2009 SS₁₇₂
Group	Apollo
Absolute magnitude	23.38
Approximate diameter (m)	56
Approximate mass (kg)	3.22·10⁸
Number of observations	30
Arc length (days)	20

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	250.527224
a – orbit major semiaxis (astronomical units)	1.56964300
e – orbit eccentricity	0.35833500
ω – orbit ascending node-perihelion angle (degrees)	312.991546
Ω – longitude of orbit ascending node (degrees)	1.526471
i – orbit inclination to the ecliptic plane (degrees)	15.100277

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	71.878691	1.56982681	0.35920403	310.809816	2.956996	15.016546	1.00593869	1.966882
01/21/1858	344.374735	1.56965750	0.35891930	311.124656	2.749215	15.029945	1.00627713	1.966563
01/29/1887	256.840956	1.56984590	0.35892579	311.432618	2.546419	15.040583	1.00638773	1.966918
02/07/1916	168.142832	1.56984122	0.35878955	311.774337	2.330646	15.053821	1.00659860	1.966909
02/14/1945	79.975674	1.56975110	0.35877750	312.090407	2.131673	15.065365	1.00655973	1.966739
02/22/1974	350.699899	1.56989254	0.35861469	312.402632	1.917983	15.075669	1.00690601	1.967005
03/02/2003	261.646779	1.56985487	0.35852632	312.709625	1.716912	15.087035	1.00702058	1.966934
03/09/2032	172.788367	1.56988230	0.35817814	313.006453	1.506403	15.098762	1.00758477	1.966986
03/17/2061	84.495820	1.56980832	0.35794958	313.266808	1.336025	15.105575	1.00789610	1.966847
03/25/2090	355.657737	1.56975442	0.35779490	313.632229	1.098240	15.122438	1.00810429	1.966746
04/03/2119	267.448726	1.56969892	0.35763455	313.891126	0.933806	15.130768	1.00832035	1.966641
04/10/2148	177.969955	1.56988836	0.35769647	314.272472	0.694566	15.145187	1.00834483	1.966997
04/18/2177	88.309158	1.56988335	0.35761695	314.533335	0.522637	15.152405	1.00846646	1.966988

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