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 WK
4
General information
Preliminary designation
2021 WK
4
Group
Apollo
Absolute magnitude
27.65
Approximate diameter (m)
8
Approximate mass (kg)
8.83·10
5
Number of observations
19
Arc length (days)
2
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
22.312816
a
– orbit major semiaxis (astronomical units)
1.66413600
e
– orbit eccentricity
0.45428500
ω
– orbit ascending node-perihelion angle (degrees)
226.272997
Ω
– longitude of orbit ascending node (degrees)
245.881624
i
– orbit inclination to the ecliptic plane (degrees)
8.921949
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
55.503959
1.66787959
0.45419100
223.025672
248.126430
9.119244
0.91034369
2.154010
01/21/1858
221.789738
1.66872502
0.45468518
223.415865
247.797957
9.094816
0.90998049
2.155648
01/29/1887
28.268388
1.66826375
0.45438364
223.817370
247.506437
9.079402
0.91023199
2.154754
02/07/1916
201.158205
1.66550667
0.45400745
224.383258
247.163605
9.065339
0.90935423
2.149415
02/14/1945
19.777153
1.65974206
0.45253330
225.073301
246.832299
9.039574
0.90865352
2.138265
02/22/1974
226.113787
1.65998967
0.45250947
225.478432
246.542292
9.021909
0.90882861
2.138743
03/02/2003
71.467725
1.65995143
0.45276813
225.915945
246.206284
9.008923
0.90837832
2.138670
03/09/2032
266.350707
1.66385420
0.45457430
226.356279
245.838124
8.919122
0.90750884
2.146216
03/17/2061
92.362675
1.66449398
0.45438119
226.755604
245.488693
8.902815
0.90817922
2.147454
03/25/2090
277.828276
1.66396145
0.45440350
227.130339
245.217025
8.890965
0.90785155
2.146424
04/03/2119
91.814450
1.66800180
0.45541821
227.585700
244.829752
8.836878
0.90836340
2.154246
04/10/2148
275.982647
1.66464518
0.45480989
228.170300
244.504307
8.802794
0.90754810
2.147747
04/18/2177
99.050506
1.66472727
0.45468440
228.736654
244.118113
8.784552
0.90780175
2.147906
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