Asteroid General Data

2003 SD₂₂₀ (163899)

General information

Preliminary designation	2003 SD₂₂₀
Number	163899
Group	Aten
Absolute magnitude	17.56
Approximate diameter (m)	820
Approximate mass (kg)	10.00·10¹¹
Number of observations	1911
Arc length (days)	9153

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	324.413854
a – orbit major semiaxis (astronomical units)	0.82789100
e – orbit eccentricity	0.20942400
ω – orbit ascending node-perihelion angle (degrees)	327.022604
Ω – longitude of orbit ascending node (degrees)	273.625791
i – orbit inclination to the ecliptic plane (degrees)	8.547941

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	250.821086	0.82795115	0.21261097	323.632984	277.144103	8.260625	0.65191965	0.753369
01/21/1858	65.662494	0.82858880	0.21171678	323.849327	276.731413	8.261105	0.65316265	0.754239
01/29/1887	244.541460	0.82861677	0.21074228	324.423222	276.085818	8.332283	0.65399219	0.754278
02/07/1916	51.255725	0.82842500	0.21146575	324.634639	275.818898	8.320579	0.65324149	0.754016
02/14/1945	231.544126	0.82865436	0.21032398	325.335363	275.179141	8.386405	0.65436847	0.754329
02/22/1974	53.787870	0.82784828	0.21015066	326.092385	274.566345	8.465944	0.65387542	0.753228
03/02/2003	231.413174	0.82845195	0.20964971	326.317179	274.225084	8.461621	0.65476724	0.754053
03/09/2032	59.609671	0.82839294	0.20908303	327.160892	273.510965	8.548725	0.65519003	0.753972
03/17/2061	233.775932	0.82842509	0.20912599	327.249403	273.278260	8.543877	0.65517988	0.754016
03/25/2090	60.598278	0.82865971	0.20777021	327.931489	272.571558	8.636140	0.65648891	0.754336
04/03/2119	236.505599	0.82763140	0.20853115	328.198432	272.282118	8.636438	0.65504447	0.752933
04/10/2148	65.636824	0.82840730	0.20651081	328.881972	271.586068	8.731885	0.65733224	0.753992
04/18/2177	250.372590	0.82705689	0.20694396	329.606029	271.152262	8.802242	0.65590246	0.752149

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