Asteroid General Data

2021 AA₂

General information

Preliminary designation	2021 AA₂
Group	Apollo
Absolute magnitude	26.42
Approximate diameter (m)	14
Approximate mass (kg)	4.83·10⁶
Number of observations	47
Arc length (days)	10

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	89.179912
a – orbit major semiaxis (astronomical units)	2.73918900
e – orbit eccentricity	0.64011000
ω – orbit ascending node-perihelion angle (degrees)	28.006768
Ω – longitude of orbit ascending node (degrees)	95.318596
i – orbit inclination to the ecliptic plane (degrees)	2.736770

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	248.146433	2.68942957	0.66148169	15.045822	103.996147	3.527691	0.91042116	4.410531
01/21/1858	89.608905	2.69255245	0.65884809	18.194797	102.038449	3.314513	0.91856940	4.418215
01/29/1887	292.707700	2.69349737	0.65855368	18.387103	101.803195	3.301536	0.91968476	4.420541
02/07/1916	161.961226	2.67297939	0.66621427	21.447040	99.803662	3.142754	0.89220239	4.370127
02/14/1945	29.158552	2.69390654	0.65738775	23.548479	98.552610	3.023403	0.92296538	4.421549
02/22/1974	222.616607	2.73172796	0.64864512	26.285692	96.807941	2.840515	0.95980594	4.514990
03/02/2003	16.803990	2.71929158	0.64897819	27.062354	96.015044	2.811437	0.95453064	4.484193
03/09/2032	163.334383	2.73614349	0.64478571	27.991058	95.256873	2.734451	0.97191727	4.525941
03/17/2061	344.684215	2.70902231	0.65244188	30.645898	93.492351	2.648448	0.94154270	4.458815
03/25/2090	195.447800	2.68242956	0.66152946	34.389422	90.743050	2.512667	0.90792338	4.393323
04/03/2119	59.573749	2.69698506	0.65534621	36.930072	88.822110	2.420996	0.92952612	4.429130
04/10/2148	261.884562	2.69035475	0.65845920	37.133125	88.609271	2.412656	0.91886591	4.412807
04/18/2177	60.467964	2.71675732	0.64592513	41.618193	85.072410	2.237092	0.96193550	4.477926

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