Asteroid General Data

2017 AD₂₁

General information

Preliminary designation	2017 AD₂₁
Group	Apollo
Absolute magnitude	26.92
Approximate diameter (m)	11
Approximate mass (kg)	2.42·10⁶
Number of observations	6
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	186.217259
a – orbit major semiaxis (astronomical units)	1.46188200
e – orbit eccentricity	0.30674300
ω – orbit ascending node-perihelion angle (degrees)	180.455118
Ω – longitude of orbit ascending node (degrees)	264.724164
i – orbit inclination to the ecliptic plane (degrees)	3.422463

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	144.250026	1.42438079	0.28601735	179.050534	265.306393	3.182302	1.01698317	1.699964
01/21/1858	168.307107	1.42477089	0.28617422	179.824152	264.940469	3.183653	1.01703819	1.700663
01/29/1887	175.817506	1.42718095	0.28739370	180.341762	264.644368	3.179782	1.01701813	1.704980
02/07/1916	201.856352	1.42344559	0.28568718	181.467935	264.133366	3.191257	1.01678544	1.698290
02/14/1945	239.500240	1.42259887	0.28515382	181.851978	263.884928	3.193200	1.01693937	1.696775
02/22/1974	274.194190	1.42343798	0.28548135	182.646824	263.512561	3.189982	1.01707298	1.698277
03/02/2003	313.050677	1.42261799	0.28514800	183.093333	263.228870	3.193347	1.01696131	1.696809
03/09/2032	354.607344	1.42116167	0.28469899	183.842518	262.879105	3.197132	1.01655837	1.694205
03/17/2061	38.740902	1.42099694	0.28452915	184.238403	262.603879	3.197293	1.01668190	1.693910
03/25/2090	88.363191	1.42022572	0.28413586	184.996433	262.225747	3.196415	1.01668867	1.692531
04/03/2119	139.548185	1.42052704	0.28418059	185.823776	261.831666	3.190544	1.01684083	1.693070
04/10/2148	179.845903	1.42170111	0.28487773	186.339367	261.510709	3.188488	1.01669013	1.695169
04/18/2177	217.666501	1.42298927	0.28536733	186.764225	261.249368	3.187509	1.01691462	1.697474

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