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 RK
4
General information
Preliminary designation
2021 RK
4
Group
Apollo
Absolute magnitude
26.05
Approximate diameter (m)
16
Approximate mass (kg)
8.05·10
6
Number of observations
38
Arc length (days)
5
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
211.847863
a
– orbit major semiaxis (astronomical units)
2.09561600
e
– orbit eccentricity
0.52389000
ω
– orbit ascending node-perihelion angle (degrees)
333.283803
Ω
– longitude of orbit ascending node (degrees)
341.257277
i
– orbit inclination to the ecliptic plane (degrees)
7.225185
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
18.192312
2.07405224
0.51504271
328.183217
344.312253
6.977862
1.00582675
2.986965
01/21/1858
277.840701
2.07235245
0.51736248
328.911937
343.847316
7.016180
1.00019504
2.983294
01/29/1887
176.044880
2.08179989
0.52324635
330.331879
343.133547
7.091923
0.99250571
3.003718
02/07/1916
38.466680
2.08853660
0.52488493
331.305026
342.696056
7.125783
0.99229521
3.018309
02/14/1945
255.558579
2.09225486
0.52113614
331.963260
342.431087
7.135221
1.00190524
3.026373
02/22/1974
108.712721
2.09266124
0.51948937
332.220045
342.232793
7.128464
1.00554598
3.027255
03/02/2003
320.280219
2.09096714
0.52093907
332.553064
341.857016
7.144036
1.00170066
3.023580
03/09/2032
179.433898
2.09016938
0.52306688
333.343164
341.220611
7.211605
0.99687100
3.021850
03/17/2061
37.822762
2.08891915
0.52473501
334.104204
340.811309
7.252604
0.99279014
3.019139
03/25/2090
255.865179
2.08975261
0.52338032
335.105606
340.437191
7.284120
0.99601722
3.020946
04/03/2119
109.762097
2.09213777
0.52089705
335.486018
340.236714
7.276551
1.00234937
3.026119
04/10/2148
321.278690
2.09135983
0.51908225
335.692772
339.962153
7.272184
1.00577207
3.024432
04/18/2177
169.845307
2.09347742
0.52198164
336.320268
339.509537
7.320733
1.00072065
3.029026
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