Asteroid General Data

2009 ST₁₀₄

General information

Preliminary designation	2009 ST₁₀₄
Group	Apollo
Absolute magnitude	25.28
Approximate diameter (m)	23
Approximate mass (kg)	2.33·10⁷
Number of observations	20
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	62.922704
a – orbit major semiaxis (astronomical units)	1.95053100
e – orbit eccentricity	0.56930900
ω – orbit ascending node-perihelion angle (degrees)	254.364132
Ω – longitude of orbit ascending node (degrees)	178.805908
i – orbit inclination to the ecliptic plane (degrees)	8.379065

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	227.847349	1.94948209	0.56935763	248.662358	183.492912	8.534708	0.83952959	2.721946
01/21/1858	104.606736	1.95009995	0.56893945	249.463219	182.822843	8.516471	0.84061116	2.723240
01/29/1887	338.787476	1.95159621	0.56895159	250.019898	182.294157	8.497189	0.84123245	2.726375
02/07/1916	210.251896	1.95167592	0.56910895	251.083339	181.454970	8.458998	0.84095969	2.726542
02/14/1945	83.957171	1.95021538	0.56964255	251.820855	180.879382	8.440668	0.83928971	2.723482
02/22/1974	319.730720	1.95059178	0.56932815	252.734429	180.106391	8.421099	0.84006497	2.724270
03/02/2003	192.999583	1.95143678	0.57002572	253.602119	179.426949	8.402457	0.83906763	2.726041
03/09/2032	66.370977	1.94978032	0.57030286	254.575882	178.636477	8.375124	0.83781504	2.722571
03/17/2061	301.888104	1.95045561	0.56956833	255.388664	177.950160	8.362003	0.83953786	2.723985
03/25/2090	176.832122	1.95229810	0.56936558	256.145723	177.287952	8.336255	0.84072675	2.727846
04/03/2119	50.622617	1.95041367	0.56932265	256.990718	176.570204	8.333618	0.83999899	2.723897
04/10/2148	286.892159	1.94964266	0.57000936	257.618648	176.015500	8.324008	0.83832809	2.722282
04/18/2177	160.763683	1.95179974	0.56982631	258.609434	175.198770	8.306454	0.83961291	2.726801

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