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 RA
4
General information
Preliminary designation
2021 RA
4
Group
Aten
Absolute magnitude
24.29
Approximate diameter (m)
37
Approximate mass (kg)
9.16·10
7
Number of observations
41
Arc length (days)
16
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
338.882601
a
– orbit major semiaxis (astronomical units)
0.89659000
e
– orbit eccentricity
0.26189000
ω
– orbit ascending node-perihelion angle (degrees)
33.657459
Ω
– longitude of orbit ascending node (degrees)
165.007927
i
– orbit inclination to the ecliptic plane (degrees)
17.664516
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
148.461614
0.89653952
0.26264184
33.296269
166.151906
17.558718
0.66107073
0.848897
01/21/1858
216.266500
0.89647313
0.26272887
33.284875
165.978960
17.570140
0.66094376
0.848802
01/29/1887
282.034560
0.89660884
0.26250100
33.385965
165.810722
17.582661
0.66124812
0.848995
02/07/1916
349.073665
0.89651852
0.26226053
33.449989
165.646730
17.600201
0.66139710
0.848867
02/14/1945
55.076455
0.89658882
0.26231215
33.478661
165.475362
17.605681
0.66140268
0.848967
02/22/1974
122.481548
0.89655574
0.26229563
33.504544
165.310420
17.617839
0.66139309
0.848920
03/02/2003
190.036528
0.89643119
0.26208885
33.541051
165.136970
17.632195
0.66148657
0.848743
03/09/2032
256.886370
0.89655007
0.26179210
33.642684
164.975857
17.646140
0.66184034
0.848912
03/17/2061
322.449325
0.89674119
0.26182455
33.715699
164.814727
17.650770
0.66195233
0.849183
03/25/2090
30.197496
0.89642639
0.26172196
33.710287
164.638614
17.668763
0.66181192
0.848736
04/03/2119
96.392750
0.89650103
0.26168239
33.789158
164.468475
17.680199
0.66190250
0.848842
04/10/2148
163.850716
0.89646468
0.26123761
33.862485
164.305872
17.698849
0.66227439
0.848790
04/18/2177
230.386931
0.89646332
0.26127659
33.895977
164.149292
17.705429
0.66223844
0.848788
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