Asteroid General Data

2021 AL

General information

Preliminary designation	2021 AL
Group	Apollo
Absolute magnitude	24.75
Approximate diameter (m)	30
Approximate mass (kg)	4.85·10⁷
Number of observations	56
Arc length (days)	31

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	61.483482
a – orbit major semiaxis (astronomical units)	1.20254600
e – orbit eccentricity	0.29854300
ω – orbit ascending node-perihelion angle (degrees)	258.721711
Ω – longitude of orbit ascending node (degrees)	292.264692
i – orbit inclination to the ecliptic plane (degrees)	1.703043

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	290.876614	1.20326205	0.29868875	253.045003	298.013386	1.637716	0.84386121	1.319900
01/21/1858	313.361704	1.19923871	0.29781496	254.090411	296.746833	1.668761	0.84208748	1.313285
01/29/1887	344.619760	1.19845813	0.29746827	255.359553	295.971613	1.673814	0.84195486	1.312003
02/07/1916	30.734402	1.19741859	0.29729354	255.976950	295.535756	1.670886	0.84143378	1.310297
02/14/1945	62.152671	1.19966647	0.29758166	257.714963	294.131451	1.717853	0.84266773	1.313988
02/22/1974	74.700831	1.20054236	0.29784421	258.019339	293.202471	1.717172	0.84296777	1.315427
03/02/2003	100.573669	1.20015926	0.29776537	258.500362	292.711869	1.714647	0.84279339	1.314798
03/09/2032	116.331410	1.20248097	0.29855197	258.772776	292.227107	1.702976	0.84347791	1.318615
03/17/2061	113.973378	1.20266502	0.29868694	259.346325	291.749540	1.700939	0.84344468	1.318918
03/25/2090	110.770513	1.20330619	0.29865978	261.156424	289.908696	1.780804	0.84392703	1.319972
04/03/2119	96.034787	1.20568671	0.29930669	262.127681	289.181954	1.796721	0.84481661	1.323891
04/10/2148	68.752409	1.20536513	0.29915777	262.589471	288.757901	1.792792	0.84477078	1.323362
04/18/2177	47.756055	1.20210018	0.29841065	263.786601	287.915055	1.764209	0.84338068	1.317988

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