Asteroid General Data

2011 DT₉

General information

Preliminary designation	2011 DT₉
Group	Apollo
Absolute magnitude	25.25
Approximate diameter (m)	24
Approximate mass (kg)	2.43·10⁷
Number of observations	99
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	152.751903
a – orbit major semiaxis (astronomical units)	1.10411000
e – orbit eccentricity	0.08298200
ω – orbit ascending node-perihelion angle (degrees)	171.166102
Ω – longitude of orbit ascending node (degrees)	338.381197
i – orbit inclination to the ecliptic plane (degrees)	11.589321

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	254.298103	1.10146216	0.08165440	165.658863	340.089400	11.611278	1.01152292	1.155992
01/21/1858	292.314601	1.10035695	0.08057331	166.649927	339.811946	11.610484	1.01169754	1.154253
01/29/1887	333.723680	1.10183094	0.08175326	167.428166	339.576529	11.605677	1.01175267	1.156573
02/07/1916	5.941383	1.10247487	0.08225590	168.031499	339.344542	11.602006	1.01178981	1.157587
02/14/1945	22.498373	1.10380798	0.08314805	168.869962	339.092368	11.597591	1.01202850	1.159687
02/22/1974	34.082348	1.10310576	0.08241800	169.820086	338.835950	11.596930	1.01218999	1.158581
03/02/2003	46.299730	1.10357041	0.08274613	170.042737	338.623699	11.593090	1.01225423	1.159313
03/09/2032	51.983939	1.10406112	0.08301055	171.157653	338.364331	11.588643	1.01241240	1.160086
03/17/2061	47.203590	1.10484358	0.08357717	171.809554	338.102809	11.584034	1.01250388	1.161320
03/25/2090	42.108989	1.10411541	0.08304498	172.268837	337.853819	11.580766	1.01242417	1.160172
04/03/2119	43.421590	1.10467676	0.08344543	173.471088	337.587647	11.575432	1.01249654	1.161057
04/10/2148	40.933069	1.10347228	0.08248822	174.129992	337.342081	11.575531	1.01244882	1.159158
04/18/2177	53.059393	1.10345836	0.08251698	174.424195	337.123962	11.572266	1.01240431	1.159136

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