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 CD
8
General information
Preliminary designation
2021 CD
8
Group
Apollo
Absolute magnitude
28.56
Approximate diameter (m)
5
Approximate mass (kg)
2.51·10
5
Number of observations
49
Arc length (days)
30
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
125.449064
a
– orbit major semiaxis (astronomical units)
1.15488200
e
– orbit eccentricity
0.15197100
ω
– orbit ascending node-perihelion angle (degrees)
55.714185
Ω
– longitude of orbit ascending node (degrees)
54.364601
i
– orbit inclination to the ecliptic plane (degrees)
0.664621
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
354.295467
1.14455382
0.14607907
33.053894
74.392293
0.747211
0.97735846
1.224489
01/21/1858
247.254006
1.14313826
0.14531645
33.168873
74.355208
0.746951
0.97702146
1.222218
01/29/1887
166.447343
1.14148903
0.14431278
33.338536
74.360129
0.746931
0.97675758
1.219574
02/07/1916
80.948839
1.14409766
0.14575654
33.986532
73.960398
0.745262
0.97733794
1.223757
02/14/1945
332.091746
1.14387181
0.14566080
33.982194
73.922558
0.745028
0.97725452
1.223395
02/22/1974
249.189068
1.14125910
0.14421428
34.350896
73.901726
0.745547
0.97667324
1.219206
03/02/2003
158.297496
1.14622046
0.14700170
36.377293
72.390316
0.738920
0.97772411
1.227165
03/09/2032
353.275358
1.15464264
0.15195318
55.706252
54.374804
0.664340
0.97919102
1.240715
03/17/2061
131.628120
1.15613602
0.15281207
89.910910
18.147229
0.563409
0.97946448
1.243123
03/25/2090
265.343546
1.15557869
0.15260949
89.905340
18.203830
0.559884
0.97922641
1.242224
04/03/2119
32.247699
1.15527980
0.15226819
129.748234
336.988365
0.647614
0.97936744
1.241742
04/10/2148
170.355897
1.15308868
0.15054757
152.351870
313.002494
0.928541
0.97949398
1.238211
04/18/2177
348.631575
1.14813989
0.14353230
163.912855
305.019567
2.068341
0.98334474
1.230248
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