Asteroid General Data

2008 SD

General information

Preliminary designation	2008 SD
Group	Apollo
Absolute magnitude	19.47
Approximate diameter (m)	340
Approximate mass (kg)	7.14·10¹⁰
Number of observations	48
Arc length (days)	4126

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	88.287764
a – orbit major semiaxis (astronomical units)	2.03619500
e – orbit eccentricity	0.73960300
ω – orbit ascending node-perihelion angle (degrees)	220.769172
Ω – longitude of orbit ascending node (degrees)	26.448888
i – orbit inclination to the ecliptic plane (degrees)	17.094032

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	7.842805	2.02848203	0.73941667	214.134939	32.326725	19.074839	0.52858860	2.889065
01/21/1858	23.565267	2.02959219	0.73845774	214.430518	31.983794	18.959885	0.53082413	2.891437
01/29/1887	25.232466	2.03665785	0.73480369	215.779471	30.836800	18.494750	0.54011414	2.906550
02/07/1916	18.314612	2.03605009	0.73690179	217.093151	29.762804	18.109563	0.53568114	2.905249
02/14/1945	27.122399	2.02836298	0.74260527	217.744871	29.152292	17.959575	0.52208995	2.888811
02/22/1974	44.554743	2.02839365	0.74278684	218.051388	28.817652	17.872309	0.52172953	2.888876
03/02/2003	52.751917	2.03542388	0.73868405	219.285264	27.707478	17.488296	0.53188873	2.903908
03/09/2032	46.703192	2.03588295	0.74000559	220.804940	26.424613	17.089918	0.52931819	2.904891
03/17/2061	49.942193	2.02903310	0.74606192	221.813774	25.511884	16.864149	0.51524877	2.890243
03/25/2090	66.503660	2.02797096	0.74687076	222.093672	25.168590	16.797810	0.51333875	2.887974
04/03/2119	78.848031	2.03250382	0.74444648	222.735506	24.540971	16.629440	0.51941350	2.897662
04/10/2148	73.628860	2.03755814	0.74242453	224.881703	22.633184	16.109771	0.52482500	2.908477
04/18/2177	69.575718	2.03446180	0.74624519	226.270796	21.390176	15.828765	0.51625447	2.901850

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