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 EF
4
General information
Preliminary designation
2021 EF
4
Group
Apollo
Absolute magnitude
20.29
Approximate diameter (m)
230
Approximate mass (kg)
2.30·10
10
Number of observations
41
Arc length (days)
3991
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
268.159232
a
– orbit major semiaxis (astronomical units)
1.48268000
e
– orbit eccentricity
0.69716400
ω
– orbit ascending node-perihelion angle (degrees)
312.401690
Ω
– longitude of orbit ascending node (degrees)
345.346280
i
– orbit inclination to the ecliptic plane (degrees)
48.885963
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
137.275476
1.48244525
0.70632049
311.734831
346.582213
48.276557
0.43536379
1.804964
01/21/1858
165.486487
1.48253071
0.70503606
311.836040
346.407200
48.361013
0.43729310
1.805120
01/29/1887
193.381306
1.48250270
0.70354687
311.938230
346.212345
48.460876
0.43949256
1.805069
02/07/1916
221.786504
1.48250863
0.70229204
312.043979
346.038639
48.544725
0.44135462
1.805080
02/14/1945
250.137219
1.48257104
0.70081226
312.140265
345.846637
48.641195
0.44356707
1.805194
02/22/1974
278.526718
1.48246261
0.69961469
312.231971
345.672851
48.724708
0.44530999
1.804996
03/02/2003
306.978843
1.48242685
0.69822980
312.334468
345.484901
48.819579
0.44735225
1.804931
03/09/2032
334.870755
1.48243031
0.69691836
312.406587
345.323881
48.896706
0.44929740
1.804937
03/17/2061
3.210051
1.48241523
0.69554621
312.489463
345.164535
48.970439
0.45132693
1.804909
03/25/2090
31.535648
1.48245711
0.69402834
312.579602
344.984011
49.061309
0.45358986
1.804986
04/03/2119
59.866180
1.48239922
0.69261894
312.671552
344.824077
49.137758
0.45566144
1.804880
04/10/2148
88.452138
1.48238272
0.69112188
312.762531
344.640891
49.231448
0.45787559
1.804850
04/18/2177
116.465007
1.48233753
0.68992578
312.856022
344.474922
49.315438
0.45963465
1.804768
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