Asteroid General Data

2021 AR₂

General information

Preliminary designation	2021 AR₂
Group	Apollo
Absolute magnitude	26.29
Approximate diameter (m)	15
Approximate mass (kg)	5.78·10⁶
Number of observations	47
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	42.821762
a – orbit major semiaxis (astronomical units)	1.26095900
e – orbit eccentricity	0.33341700
ω – orbit ascending node-perihelion angle (degrees)	291.583399
Ω – longitude of orbit ascending node (degrees)	107.756872
i – orbit inclination to the ecliptic plane (degrees)	11.381113

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	296.788363	1.26194396	0.33488807	289.856944	109.146937	11.265995	0.83933398	1.417623
01/21/1858	100.961898	1.26345223	0.33531549	290.169324	108.942259	11.266016	0.83979712	1.420165
01/29/1887	260.355764	1.26284322	0.33517475	290.360100	108.752443	11.267712	0.83957005	1.419138
02/07/1916	58.410487	1.26191549	0.33476541	290.513827	108.549187	11.285054	0.83946983	1.417575
02/14/1945	222.244763	1.26364211	0.33516898	290.922280	108.342678	11.286440	0.84010847	1.420485
02/22/1974	22.834830	1.26223410	0.33452883	291.094471	108.132796	11.298392	0.83998040	1.418112
03/02/2003	185.050317	1.26285393	0.33479661	291.373837	107.953705	11.301852	0.84005472	1.419157
03/09/2032	354.887967	1.26089060	0.33344457	291.665250	107.698635	11.377570	0.84045348	1.415848
03/17/2061	180.281464	1.25976975	0.33313168	291.771080	107.524666	11.386045	0.84010054	1.413961
03/25/2090	2.351879	1.26142554	0.33383582	292.142767	107.318485	11.382733	0.84031650	1.416749
04/03/2119	167.285148	1.26282964	0.33409863	292.474951	107.135475	11.384622	0.84091999	1.419116
04/10/2148	333.470771	1.26140232	0.33373451	292.607148	106.938578	11.394023	0.84042884	1.416710
04/18/2177	157.287877	1.25965890	0.33299819	292.739799	106.726620	11.401434	0.84019477	1.413774

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