Asteroid General Data

2018 SD₃

General information

Preliminary designation	2018 SD₃
Group	Apollo
Absolute magnitude	27.87
Approximate diameter (m)	7
Approximate mass (kg)	6.51·10⁵
Number of observations	23
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	316.901016
a – orbit major semiaxis (astronomical units)	1.37943800
e – orbit eccentricity	0.27539200
ω – orbit ascending node-perihelion angle (degrees)	202.024509
Ω – longitude of orbit ascending node (degrees)	187.394597
i – orbit inclination to the ecliptic plane (degrees)	12.004091

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	135.638796	1.37562078	0.27286096	199.920055	188.595414	12.058140	1.00026757	1.613425
01/21/1858	135.958737	1.37372156	0.27178069	200.309481	188.415240	12.072282	1.00037056	1.610085
01/29/1887	145.665880	1.37402937	0.27195581	200.532586	188.250826	12.073797	1.00035409	1.610626
02/07/1916	151.850962	1.37555137	0.27281131	200.768404	188.063300	12.060505	1.00028540	1.613303
02/14/1945	149.204037	1.37527422	0.27276275	201.010730	187.911542	12.063214	1.00015064	1.612815
02/22/1974	141.266259	1.37794948	0.27430582	201.273080	187.717619	12.036135	0.99996991	1.617523
03/02/2003	119.607808	1.37787417	0.27425254	201.523880	187.566081	12.038552	0.99998868	1.617391
03/09/2032	93.528795	1.37913937	0.27533612	202.119549	187.361465	12.004550	0.99941249	1.619619
03/17/2061	61.817280	1.38006896	0.27578766	202.332131	187.207109	12.001732	0.99946297	1.621257
03/25/2090	33.006282	1.37912703	0.27551566	202.654028	187.042292	12.006486	0.99915594	1.619597
04/03/2119	11.850806	1.37741354	0.27470555	202.964902	186.881506	12.016620	0.99903039	1.616580
04/10/2148	343.680243	1.37884829	0.27559877	203.209896	186.696518	12.005282	0.99883940	1.619106
04/18/2177	312.262341	1.37916735	0.27573059	203.469585	186.514318	12.003717	0.99888872	1.619668

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