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 AK
4
General information
Preliminary designation
2021 AK
4
Group
Apollo
Absolute magnitude
22.87
Approximate diameter (m)
71
Approximate mass (kg)
6.51·10
8
Number of observations
38
Arc length (days)
8
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
329.694739
a
– orbit major semiaxis (astronomical units)
1.26973300
e
– orbit eccentricity
0.24926800
ω
– orbit ascending node-perihelion angle (degrees)
290.751553
Ω
– longitude of orbit ascending node (degrees)
112.786278
i
– orbit inclination to the ecliptic plane (degrees)
24.687705
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
353.620425
1.27003891
0.25033026
289.807823
113.631936
24.654200
0.95210974
1.431285
01/21/1858
93.549679
1.26976899
0.25017948
289.907667
113.511382
24.656874
0.95209883
1.430829
01/29/1887
195.690111
1.26993152
0.25000223
290.084884
113.377704
24.663402
0.95244581
1.431104
02/07/1916
295.317105
1.27013287
0.24999763
290.199500
113.263710
24.668654
0.95260266
1.431444
02/14/1945
35.156965
1.26982008
0.24975434
290.331053
113.141631
24.671977
0.95267701
1.430915
02/22/1974
137.191811
1.26989935
0.24950533
290.505055
113.007481
24.680268
0.95305270
1.431049
03/02/2003
235.990995
1.27010403
0.24956097
290.643487
112.887747
24.683731
0.95313564
1.431395
03/09/2032
336.278850
1.26962454
0.24918547
290.790316
112.752856
24.690205
0.95325255
1.430585
03/17/2061
77.682503
1.27020449
0.24934946
290.953167
112.630068
24.695024
0.95347968
1.431565
03/25/2090
176.014751
1.27006275
0.24916477
291.096552
112.507048
24.698470
0.95360786
1.431325
04/03/2119
277.502864
1.26955324
0.24884618
291.209828
112.379090
24.704790
0.95362977
1.430464
04/10/2148
17.624816
1.27011224
0.24897815
291.385625
112.255075
24.708853
0.95388204
1.431409
04/18/2177
116.746630
1.26982815
0.24862228
291.502870
112.134699
24.713250
0.95412057
1.430929
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