Asteroid General Data

2021 CD

General information

Preliminary designation	2021 CD
Group	Aten
Absolute magnitude	27.20
Approximate diameter (m)	10
Approximate mass (kg)	1.64·10⁶
Number of observations	32
Arc length (days)	18

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	75.577480
a – orbit major semiaxis (astronomical units)	0.74024400
e – orbit eccentricity	0.42080600
ω – orbit ascending node-perihelion angle (degrees)	202.747947
Ω – longitude of orbit ascending node (degrees)	129.199129
i – orbit inclination to the ecliptic plane (degrees)	4.698123

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	101.183722	0.74408227	0.41823539	198.675744	134.576374	4.414481	0.43288073	0.641848
01/21/1858	192.511328	0.74340932	0.41858969	199.573397	133.483703	4.493472	0.43222584	0.640977
01/29/1887	299.364391	0.74359636	0.41825225	200.230357	132.738173	4.552652	0.43258551	0.641219
02/07/1916	31.993986	0.74344876	0.41843995	200.776161	132.060712	4.539253	0.43236010	0.641028
02/14/1945	134.562912	0.74294621	0.41873283	201.451571	131.341429	4.527682	0.43185024	0.640378
02/22/1974	276.878750	0.74177525	0.41940239	202.022836	130.413544	4.677863	0.43067294	0.638865
03/02/2003	100.179150	0.74079978	0.42008631	202.603096	129.632586	4.706740	0.42959993	0.637605
03/09/2032	281.159573	0.74208828	0.41881650	203.219678	129.027332	4.781960	0.43128946	0.639269
03/17/2061	63.757502	0.74216657	0.41888152	203.943260	128.237871	4.759700	0.43128670	0.639371
03/25/2090	285.257356	0.73903588	0.42155925	203.700998	127.651324	4.812680	0.42748847	0.635329
04/03/2119	171.194746	0.73898561	0.42168480	204.529679	126.846137	4.788762	0.42736661	0.635264
04/10/2148	8.212061	0.74074860	0.42023421	205.406387	126.260991	4.807025	0.42946069	0.637539
04/18/2177	200.347889	0.74033189	0.42066046	205.925103	125.484719	4.780557	0.42890354	0.637001

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