Asteroid General Data

2011 DU₉

General information

Preliminary designation	2011 DU₉
Group	Apollo
Absolute magnitude	26.68
Approximate diameter (m)	12
Approximate mass (kg)	3.37·10⁶
Number of observations	64
Arc length (days)	12

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	287.067002
a – orbit major semiaxis (astronomical units)	1.93640500
e – orbit eccentricity	0.51501400
ω – orbit ascending node-perihelion angle (degrees)	328.443281
Ω – longitude of orbit ascending node (degrees)	155.059375
i – orbit inclination to the ecliptic plane (degrees)	3.422231

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	9.634725	1.89636338	0.50591644	322.381109	158.520608	3.080892	0.93696197	2.611457
01/21/1858	53.877655	1.89300094	0.50557437	322.968811	157.994403	3.111200	0.93594818	2.604515
01/29/1887	101.781609	1.89445298	0.50578404	323.488201	157.681044	3.126573	0.93626890	2.607512
02/07/1916	148.278704	1.89199580	0.50595511	324.364557	157.112365	3.152418	0.93473085	2.602441
02/14/1945	201.734889	1.89124247	0.50550744	324.985944	156.480690	3.181706	0.93520532	2.600887
02/22/1974	267.139652	1.88675792	0.50359817	325.815760	155.733399	3.227326	0.93659009	2.591641
03/02/2003	340.339540	1.88581132	0.50429537	326.256400	155.437431	3.242072	0.93480540	2.589691
03/09/2032	298.718280	1.93560100	0.51555100	328.482794	155.000365	3.424386	0.93769996	2.692926
03/17/2061	217.468142	1.93565259	0.51478444	329.105136	154.582264	3.445520	0.93920876	2.693033
03/25/2090	137.604561	1.93482401	0.51454345	329.874432	154.012262	3.473866	0.93927299	2.691304
04/03/2119	59.987502	1.93429754	0.51389593	330.587759	153.481677	3.500926	0.94026991	2.690206
04/10/2148	343.028984	1.93346123	0.51366759	331.121802	153.189288	3.521171	0.94030486	2.688461
04/18/2177	305.985465	1.91894609	0.51006247	331.369720	152.469115	3.532248	0.94016371	2.658244

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