Asteroid General Data

2021 AB₁

General information

Preliminary designation	2021 AB₁
Group	Aten
Absolute magnitude	26.69
Approximate diameter (m)	12
Approximate mass (kg)	3.33·10⁶
Number of observations	21
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	170.528817
a – orbit major semiaxis (astronomical units)	0.73227500
e – orbit eccentricity	0.46244400
ω – orbit ascending node-perihelion angle (degrees)	201.788286
Ω – longitude of orbit ascending node (degrees)	101.333813
i – orbit inclination to the ecliptic plane (degrees)	9.085244

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	33.318903	0.73259220	0.46278334	200.123362	103.560113	8.923698	0.39356074	0.627038
01/21/1858	137.647536	0.73260889	0.46259357	200.348871	103.261664	8.947092	0.39370873	0.627060
01/29/1887	241.358109	0.73218855	0.46269976	200.574593	102.869850	8.996459	0.39340508	0.626520
02/07/1916	346.980179	0.73246824	0.46261948	200.923637	102.535283	8.990691	0.39361417	0.626879
02/14/1945	98.998826	0.73238366	0.46253964	201.123989	102.224196	9.024150	0.39362718	0.626771
02/22/1974	210.583040	0.73189065	0.46314273	201.262449	101.910376	9.008609	0.39292082	0.626138
03/02/2003	321.818880	0.73237743	0.46250848	201.708671	101.560538	9.037701	0.39364665	0.626763
03/09/2032	75.879705	0.73248707	0.46229328	201.831727	101.313715	9.085314	0.39386322	0.626903
03/17/2061	185.779382	0.73224280	0.46253706	202.122809	100.954963	9.069413	0.39355336	0.626590
03/25/2090	293.021264	0.73259514	0.46189406	202.470526	100.591920	9.134890	0.39421379	0.627042
04/03/2119	30.165521	0.73296619	0.46112830	202.751327	100.250841	9.236266	0.39497474	0.627518
04/10/2148	115.351509	0.73355126	0.46057687	203.102851	99.917777	9.251129	0.39569451	0.628270
04/18/2177	188.469609	0.73329621	0.46087948	203.349885	99.598585	9.241460	0.39533504	0.627942

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