Asteroid General Data

2009 ET

General information

Preliminary designation	2009 ET
Group	Apollo
Absolute magnitude	27.26
Approximate diameter (m)	9
Approximate mass (kg)	1.51·10⁶
Number of observations	15
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	35.570970
a – orbit major semiaxis (astronomical units)	1.44211600
e – orbit eccentricity	0.30273300
ω – orbit ascending node-perihelion angle (degrees)	29.508905
Ω – longitude of orbit ascending node (degrees)	153.072620
i – orbit inclination to the ecliptic plane (degrees)	3.140911

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	20.026765	1.44176234	0.30252136	25.851945	155.416376	3.206841	1.00559843	1.731176
01/21/1858	294.064292	1.44184699	0.30245609	26.159921	155.254156	3.209888	1.00575159	1.731328
01/29/1887	201.208437	1.44390930	0.30342887	26.874632	154.684471	3.190920	1.00578553	1.735044
02/07/1916	103.733691	1.44282842	0.30322655	27.215216	154.499149	3.193753	1.00532454	1.733096
02/14/1945	15.040757	1.44141339	0.30244952	27.592975	154.316857	3.195883	1.00545860	1.730547
02/22/1974	286.212816	1.44249284	0.30299179	27.947698	154.089501	3.195955	1.00542935	1.732491
03/02/2003	184.879407	1.44466575	0.30374145	28.710359	153.550793	3.181343	1.00586088	1.736408
03/09/2032	93.421896	1.44258277	0.30286209	29.577033	153.044983	3.140994	1.00567913	1.732654
03/17/2061	6.520572	1.44321640	0.30307729	30.202332	152.638356	3.135152	1.00581028	1.733795
03/25/2090	269.999246	1.44406794	0.30342443	30.605353	152.390290	3.135010	1.00590245	1.735330
04/03/2119	173.019894	1.44174032	0.30281192	31.488327	151.871081	3.097132	1.00516416	1.731136
04/10/2148	87.301599	1.44156236	0.30263488	31.741356	151.723432	3.099634	1.00529531	1.730815
04/18/2177	354.279986	1.44357637	0.30367602	32.547863	151.111524	3.083562	1.00519685	1.734444

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