Asteroid General Data

2021 AA

General information

Preliminary designation	2021 AA
Group	Apollo
Absolute magnitude	26.95
Approximate diameter (m)	11
Approximate mass (kg)	2.32·10⁶
Number of observations	25
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	262.157011
a – orbit major semiaxis (astronomical units)	1.01494400
e – orbit eccentricity	0.59227000
ω – orbit ascending node-perihelion angle (degrees)	236.224659
Ω – longitude of orbit ascending node (degrees)	100.963788
i – orbit inclination to the ecliptic plane (degrees)	24.106542

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	288.293512	1.00536611	0.59154768	234.507112	102.075871	24.326081	0.41064412	1.008061
01/21/1858	208.883881	1.00576285	0.59166748	234.673230	101.909779	24.307357	0.41068568	1.008658
01/29/1887	122.897363	1.00598271	0.59186493	234.798865	101.740569	24.284293	0.41057683	1.008989
02/07/1916	43.958660	1.00550596	0.59203020	234.945301	101.587204	24.275598	0.41021607	1.008272
02/14/1945	328.301172	1.00527113	0.59226687	235.084183	101.430867	24.256795	0.40988235	1.007919
02/22/1974	250.380299	1.00560993	0.59232852	235.241741	101.270814	24.238492	0.40995849	1.008428
03/02/2003	166.267377	1.00596314	0.59242043	235.357630	101.100984	24.218815	0.41001003	1.008959
03/09/2032	31.103567	1.01462132	0.59205263	236.251337	100.928510	24.094565	0.41391210	1.022013
03/17/2061	172.686294	1.01481624	0.59217674	236.371778	100.769403	24.071501	0.41386566	1.022308
03/25/2090	323.671423	1.01388890	0.59246033	236.467633	100.593859	24.055743	0.41319995	1.020907
04/03/2119	114.803344	1.01469671	0.59264415	236.646978	100.427694	24.024214	0.41334264	1.022127
04/10/2148	257.146657	1.01470977	0.59273628	236.839464	100.245899	24.007558	0.41325447	1.022147
04/18/2177	43.630122	1.01406783	0.59313600	236.904728	100.097091	23.986161	0.41258770	1.021177

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