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
2004 EM
20
(267940)
General information
Preliminary designation
2004 EM
20
Number
267940
Group
Apollo
Absolute magnitude
20.43
Approximate diameter (m)
220
Approximate mass (kg)
1.90·10
10
Number of observations
311
Arc length (days)
8032
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
332.128486
a
– orbit major semiaxis (astronomical units)
1.10532500
e
– orbit eccentricity
0.52407700
ω
– orbit ascending node-perihelion angle (degrees)
314.934131
Ω
– longitude of orbit ascending node (degrees)
343.735526
i
– orbit inclination to the ecliptic plane (degrees)
14.139204
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
18.257796
1.10502818
0.52418327
313.465383
345.067247
14.111567
0.52579089
1.161611
01/21/1858
10.759272
1.10511026
0.52407404
313.669835
344.877676
14.112748
0.52595067
1.161740
01/29/1887
3.620748
1.10521886
0.52400356
313.874532
344.689509
14.123686
0.52608024
1.161911
02/07/1916
355.428546
1.10515419
0.52403053
314.100792
344.495411
14.125109
0.52601965
1.161809
02/14/1945
345.435759
1.10531020
0.52405616
314.344744
344.278542
14.128036
0.52606558
1.162056
02/22/1974
334.817021
1.10552995
0.52407596
314.521199
344.099290
14.132555
0.52614828
1.162402
03/02/2003
324.006595
1.10539403
0.52409974
314.757940
343.898556
14.139542
0.52605731
1.162188
03/09/2032
313.240215
1.10527065
0.52401201
314.961583
343.706867
14.140332
0.52609556
1.161993
03/17/2061
303.995649
1.10535805
0.52400259
315.146625
343.516893
14.146891
0.52614757
1.162131
03/25/2090
296.147676
1.10511659
0.52379998
315.358166
343.327027
14.152723
0.52625654
1.161750
04/03/2119
288.051831
1.10516228
0.52371221
315.560637
343.138620
14.153756
0.52637530
1.161822
04/10/2148
279.950308
1.10518934
0.52363030
315.794197
342.941300
14.158801
0.52647872
1.161865
04/18/2177
271.721130
1.10542239
0.52359191
315.976708
342.760920
14.163733
0.52663217
1.162232
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