Asteroid General Data

2021 AA₁

General information

Preliminary designation	2021 AA₁
Group	Aten
Absolute magnitude	26.10
Approximate diameter (m)	16
Approximate mass (kg)	7.51·10⁶
Number of observations	32
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	202.708509
a – orbit major semiaxis (astronomical units)	0.98051200
e – orbit eccentricity	0.15280400
ω – orbit ascending node-perihelion angle (degrees)	303.564388
Ω – longitude of orbit ascending node (degrees)	285.984908
i – orbit inclination to the ecliptic plane (degrees)	17.270272

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	358.631076	0.98054054	0.15131912	303.021981	287.157621	17.315809	0.83216601	0.970955
01/21/1858	317.948450	0.98052190	0.15152169	303.084127	286.974621	17.310950	0.83195157	0.970927
01/29/1887	276.757810	0.98082592	0.15179126	303.056117	286.809173	17.302094	0.83194512	0.971379
02/07/1916	235.640898	0.98060088	0.15173747	303.314611	286.689401	17.299966	0.83180698	0.971044
02/14/1945	194.713163	0.98047566	0.15196717	303.387347	286.511234	17.294748	0.83147555	0.970858
02/22/1974	153.721483	0.98062734	0.15226685	303.444435	286.328715	17.285382	0.83131030	0.971084
03/02/2003	113.100928	0.98056165	0.15244291	303.570924	286.146289	17.278670	0.83108198	0.970986
03/09/2032	72.817289	0.98062784	0.15274977	303.605647	285.966918	17.270292	0.83083716	0.971084
03/17/2061	31.670315	0.98045769	0.15305656	303.745859	285.780469	17.263860	0.83039221	0.970832
03/25/2090	351.896200	0.98049203	0.15331152	303.787468	285.596625	17.254415	0.83017131	0.970883
04/03/2119	311.362222	0.98086645	0.15342987	303.953304	285.466279	17.249064	0.83037224	0.971439
04/10/2148	271.509098	0.98039578	0.15346099	304.022716	285.315431	17.248612	0.82994327	0.970740
04/18/2177	231.534519	0.98047885	0.15384973	304.110733	285.129039	17.238516	0.82963244	0.970863

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