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
4
General information
Preliminary designation
2021 AL
4
Group
Amor
Absolute magnitude
24.85
Approximate diameter (m)
28
Approximate mass (kg)
4.23·10
7
Number of observations
48
Arc length (days)
68
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
200.519104
a
– orbit major semiaxis (astronomical units)
1.63404200
e
– orbit eccentricity
0.34889500
ω
– orbit ascending node-perihelion angle (degrees)
171.945772
Ω
– longitude of orbit ascending node (degrees)
325.851168
i
– orbit inclination to the ecliptic plane (degrees)
4.906179
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
23.606438
1.63455496
0.34936802
169.110852
327.316621
4.918974
1.06349372
2.089777
01/21/1858
346.593720
1.63336494
0.34886776
169.515155
327.084683
4.917104
1.06353657
2.087495
01/29/1887
308.906716
1.63471623
0.34928228
169.907542
326.892348
4.914122
1.06373882
2.090086
02/07/1916
267.932044
1.63473218
0.34913705
170.362006
326.670070
4.912962
1.06398661
2.090117
02/14/1945
229.939022
1.63364343
0.34892930
170.743140
326.475783
4.911959
1.06361736
2.088029
02/22/1974
193.346798
1.63389091
0.34881609
171.065598
326.278077
4.909840
1.06396347
2.088503
03/02/2003
151.980671
1.63487303
0.34932066
171.586095
326.027811
4.907432
1.06377810
2.090387
03/09/2032
111.558035
1.63413281
0.34875641
171.992223
325.819235
4.905286
1.06421852
2.088967
03/17/2061
74.472038
1.63370394
0.34862963
172.341159
325.622388
4.901668
1.06414634
2.088145
03/25/2090
35.762647
1.63423357
0.34876850
172.676607
325.432833
4.898647
1.06426438
2.089160
04/03/2119
352.056769
1.63592255
0.34933493
173.245421
325.161119
4.895601
1.06443766
2.092400
04/10/2148
303.865407
1.63660935
0.34951566
173.585661
324.979825
4.891889
1.06458876
2.093718
04/18/2177
253.985980
1.63671023
0.34950771
173.925246
324.788538
4.888682
1.06466739
2.093911
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