Asteroid General Data

2011 DS₉

General information

Preliminary designation	2011 DS₉
Group	Apollo
Absolute magnitude	20.17
Approximate diameter (m)	250
Approximate mass (kg)	2.72·10¹⁰
Number of observations	270
Arc length (days)	1420

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	222.121659
a – orbit major semiaxis (astronomical units)	2.62221900
e – orbit eccentricity	0.64212000
ω – orbit ascending node-perihelion angle (degrees)	146.236635
Ω – longitude of orbit ascending node (degrees)	93.346381
i – orbit inclination to the ecliptic plane (degrees)	3.696683

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	345.506477	2.62997474	0.64116862	127.376777	108.533566	2.940659	0.94371745	4.265088
01/21/1858	265.208082	2.63378979	0.63895542	127.678923	108.148766	2.948572	0.95091554	4.274372
01/29/1887	207.725363	2.62432053	0.64361748	133.646981	103.425040	3.145746	0.93526195	4.251341
02/07/1916	141.696410	2.62675567	0.64232761	133.704949	103.195363	3.152219	0.93951799	4.257260
02/14/1945	101.677760	2.60898780	0.64655117	140.040807	98.215250	3.410009	0.92214368	4.214137
02/22/1974	54.853738	2.61542195	0.64372993	140.238855	97.957138	3.413680	0.93179656	4.229736
03/02/2003	19.006412	2.60937561	0.64755837	145.952384	93.585359	3.694700	0.91965259	4.215077
03/09/2032	326.275153	2.62190325	0.64186064	146.309251	93.297629	3.697010	0.93900676	4.245468
03/17/2061	276.050007	2.60762097	0.65019494	151.006007	89.796938	3.993576	0.91215901	4.210826
03/25/2090	228.304468	2.62226190	0.64239569	151.399246	89.550931	3.991325	0.93773215	4.246339
04/03/2119	178.178037	2.60225997	0.65722917	153.493762	87.695420	4.149049	0.89197882	4.197847
04/10/2148	145.193994	2.61444625	0.64576282	155.618359	86.696655	4.246452	0.92613406	4.227369
04/18/2177	101.354014	2.60840888	0.64884710	155.753038	86.445486	4.260730	0.91595035	4.212735

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