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 EP
4
General information
Preliminary designation
2021 EP
4
Group
Apollo
Absolute magnitude
29.29
Approximate diameter (m)
4
Approximate mass (kg)
9.16·10
4
Number of observations
63
Arc length (days)
3
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
240.886924
a
– orbit major semiaxis (astronomical units)
1.57642900
e
– orbit eccentricity
0.38425000
ω
– orbit ascending node-perihelion angle (degrees)
154.475832
Ω
– longitude of orbit ascending node (degrees)
355.335446
i
– orbit inclination to the ecliptic plane (degrees)
5.004219
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
357.628176
1.54876932
0.37719436
148.346740
357.858705
4.609662
0.96458226
1.927439
01/21/1858
18.962289
1.54764569
0.37680288
148.848437
357.518976
4.614659
0.96448833
1.925342
01/29/1887
26.765814
1.56006210
0.38037565
150.320651
357.171528
4.732604
0.96665246
1.948558
02/07/1916
347.871892
1.56035739
0.38029513
150.664616
356.992728
4.730894
0.96696107
1.949112
02/14/1945
312.448605
1.55922310
0.37993768
151.164565
356.619613
4.741043
0.96681550
1.946987
02/22/1974
280.528017
1.55826268
0.37999344
151.694856
356.237653
4.751352
0.96613309
1.945188
03/02/2003
260.337858
1.55416107
0.37818428
151.868336
355.887661
4.798564
0.96640179
1.937513
03/09/2032
207.083241
1.57550434
0.38410186
154.531328
355.282830
5.004881
0.97035019
1.977562
03/17/2061
89.224356
1.57586310
0.38365725
154.850498
355.120997
5.001639
0.97127179
1.978237
03/25/2090
330.754022
1.57564637
0.38337060
155.128580
354.981961
4.999997
0.97158987
1.977829
04/03/2119
208.069431
1.57557348
0.38316075
155.928932
354.322463
5.053767
0.97187556
1.977692
04/10/2148
92.552073
1.57521778
0.38282373
156.208885
354.155354
5.051729
0.97218703
1.977022
04/18/2177
336.258541
1.57513321
0.38245540
156.573185
353.994058
5.049550
0.97271501
1.976863
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