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 SR
2
General information
Preliminary designation
2021 SR
2
Group
Apollo
Absolute magnitude
25.99
Approximate diameter (m)
17
Approximate mass (kg)
8.75·10
6
Number of observations
74
Arc length (days)
3
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
221.411706
a
– orbit major semiaxis (astronomical units)
1.49933000
e
– orbit eccentricity
0.39552800
ω
– orbit ascending node-perihelion angle (degrees)
311.662414
Ω
– longitude of orbit ascending node (degrees)
4.244896
i
– orbit inclination to the ecliptic plane (degrees)
10.952435
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
233.807745
1.48309732
0.39071833
308.683712
5.817009
10.970392
0.90362401
1.806155
01/21/1858
257.004222
1.48306416
0.39055842
308.974386
5.620082
10.974721
0.90384096
1.806095
01/29/1887
273.216337
1.48746113
0.39181205
309.562576
5.358094
10.976936
0.90465593
1.814133
02/07/1916
272.591200
1.48783141
0.39194054
309.868922
5.147045
10.981328
0.90468997
1.814810
02/14/1945
273.311874
1.48711587
0.39166939
310.167970
4.918210
10.991332
0.90465810
1.813501
02/22/1974
280.806757
1.48556422
0.39122721
310.383487
4.694009
11.002754
0.90437108
1.810664
03/02/2003
290.122017
1.48622251
0.39155161
310.749268
4.451559
11.007950
0.90428969
1.811867
03/09/2032
268.821984
1.49923496
0.39544475
311.691119
4.223881
10.953342
0.90637036
1.835715
03/17/2061
194.525333
1.50015196
0.39575122
312.030544
4.017907
10.956536
0.90646500
1.837399
03/25/2090
121.708142
1.49950469
0.39524453
312.321755
3.775519
10.962311
0.90683366
1.836210
04/03/2119
60.040203
1.49498316
0.39377768
312.327711
3.558733
10.984638
0.90629215
1.827911
04/10/2148
18.366048
1.49435312
0.39353985
312.643929
3.311043
10.990809
0.90626562
1.826756
04/18/2177
336.875894
1.49429211
0.39355208
312.906031
3.094388
10.999165
0.90621034
1.826644
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