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 EJ
4
General information
Preliminary designation
2021 EJ
4
Group
Apollo
Absolute magnitude
20.75
Approximate diameter (m)
190
Approximate mass (kg)
1.22·10
10
Number of observations
29
Arc length (days)
57
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
49.286122
a
– orbit major semiaxis (astronomical units)
2.69910200
e
– orbit eccentricity
0.66681000
ω
– orbit ascending node-perihelion angle (degrees)
126.152399
Ω
– longitude of orbit ascending node (degrees)
140.807608
i
– orbit inclination to the ecliptic plane (degrees)
28.511057
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
208.432004
2.69434733
0.68216275
120.140102
148.191770
26.499573
0.85636394
4.422634
01/21/1858
53.732539
2.69040736
0.68291692
120.545833
147.699204
26.631097
0.85308266
4.412936
01/29/1887
254.660528
2.69251926
0.67987595
121.517435
146.452379
26.923098
0.86194018
4.418134
02/07/1916
92.497791
2.70049985
0.67499832
122.628720
145.134507
27.215784
0.87766698
4.437791
02/14/1945
289.140835
2.70277295
0.67182193
123.792698
143.723497
27.611580
0.88699080
4.443395
02/22/1974
123.905685
2.69739339
0.67114796
124.979105
142.346006
28.041296
0.88704331
4.430136
03/02/2003
319.011233
2.69681936
0.66852440
126.000185
141.044572
28.459781
0.89392983
4.428722
03/09/2032
156.269191
2.69966535
0.66711892
126.194552
140.748168
28.519832
0.89866751
4.435734
03/17/2061
355.444291
2.69758584
0.66461410
127.216110
139.538150
28.940198
0.90473225
4.430610
03/25/2090
198.025691
2.69680402
0.66253058
128.176984
138.414702
29.319433
0.91008889
4.428684
04/03/2119
43.597438
2.68743952
0.66379349
128.733600
137.769310
29.601919
0.90353465
4.405636
04/10/2148
248.244224
2.68614830
0.66184247
129.313046
136.981861
29.867591
0.90834128
4.402462
04/18/2177
91.891989
2.69534993
0.65557843
129.836581
136.278359
30.034444
0.92833664
4.425103
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