Asteroid General Data

2009 SZ₉₉

General information

Preliminary designation	2009 SZ₉₉
Group	Aten
Absolute magnitude	19.35
Approximate diameter (m)	360
Approximate mass (kg)	8.43·10¹⁰
Number of observations	63
Arc length (days)	5074

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	281.499564
a – orbit major semiaxis (astronomical units)	0.81478100
e – orbit eccentricity	0.21455600
ω – orbit ascending node-perihelion angle (degrees)	147.563988
Ω – longitude of orbit ascending node (degrees)	338.024375
i – orbit inclination to the ecliptic plane (degrees)	21.329270

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	12.925137	0.81494305	0.21593037	146.837462	338.976764	21.306972	0.63897209	0.735684
01/21/1858	177.629201	0.81488230	0.21551972	146.981571	338.839153	21.313242	0.63925909	0.735602
01/29/1887	342.475359	0.81473558	0.21534662	147.082596	338.698923	21.317474	0.63928502	0.735403
02/07/1916	145.636487	0.81467184	0.21517373	147.153638	338.557121	21.319793	0.63937587	0.735317
02/14/1945	308.826073	0.81466925	0.21498056	147.235825	338.415519	21.321346	0.63953120	0.735314
02/22/1974	113.103171	0.81472310	0.21484436	147.352959	338.266990	21.324735	0.63968444	0.735387
03/02/2003	277.056535	0.81477561	0.21469268	147.427607	338.130189	21.325356	0.63984926	0.735458
03/09/2032	81.413553	0.81483855	0.21460637	147.507472	337.996396	21.325401	0.63996901	0.735543
03/17/2061	247.675838	0.81491303	0.21427695	147.661209	337.861442	21.329490	0.64029595	0.735644
03/25/2090	53.687571	0.81478686	0.21406111	147.757933	337.723320	21.333354	0.64037267	0.735473
04/03/2119	217.720261	0.81470461	0.21382065	147.831527	337.584201	21.335777	0.64050394	0.735361
04/10/2148	21.225672	0.81466576	0.21362117	147.912803	337.445143	21.337784	0.64063590	0.735309
04/18/2177	185.724535	0.81467967	0.21341375	148.040745	337.294855	21.341277	0.64081583	0.735328

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