Catalogue of the Solar System Small Bodies Orbital Evolution
Catalogue of the Solar System Small Bodies Orbital Evolution
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Asteroid General Data
2021 AL
General information
Preliminary designation
2021 AL
Group
Apollo
Absolute magnitude
24.75
Approximate diameter (m)
30
Approximate mass (kg)
4.85·10
7
Number of observations
56
Arc length (days)
31
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
346.749027
a
– orbit major semiaxis (astronomical units)
1.20242800
e
– orbit eccentricity
0.29849100
ω
– orbit ascending node-perihelion angle (degrees)
258.688291
Ω
– longitude of orbit ascending node (degrees)
292.283508
i
– orbit inclination to the ecliptic plane (degrees)
1.703181
Details...
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
Detailed table...
Graphs...
3D animation...
Calculation on the date...
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This project was supported by the Federal Agency of Education (project codes RNP 2.1.1.1689, RNP 2.1.1.745).
Samara State Technical University
Applied Mathematics and Information Science Department