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 ET
2
General information
Preliminary designation
2021 ET
2
Group
Amor
Absolute magnitude
23.69
Approximate diameter (m)
49
Approximate mass (kg)
2.10·10
8
Number of observations
76
Arc length (days)
45
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
178.276732
a
– orbit major semiaxis (astronomical units)
1.64534400
e
– orbit eccentricity
0.28423900
ω
– orbit ascending node-perihelion angle (degrees)
345.250979
Ω
– longitude of orbit ascending node (degrees)
179.927830
i
– orbit inclination to the ecliptic plane (degrees)
3.760764
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
341.529954
1.64506074
0.28422926
342.790266
181.212744
3.716132
1.17748634
2.109957
01/21/1858
253.503800
1.64498597
0.28418756
343.147324
181.015616
3.723486
1.17750143
2.109813
01/29/1887
165.949636
1.64464808
0.28404142
343.467208
180.848789
3.729293
1.17749990
2.109163
02/07/1916
77.972057
1.64475299
0.28455257
343.834115
180.646290
3.736725
1.17673430
2.109365
02/14/1945
349.106895
1.64509660
0.28431571
344.191113
180.457109
3.742337
1.17736980
2.110026
02/22/1974
259.240489
1.64514272
0.28467055
344.577480
180.274082
3.749908
1.17681903
2.110114
03/02/2003
169.045652
1.64538833
0.28422168
344.957003
180.083709
3.755566
1.17773329
2.110587
03/09/2032
78.997342
1.64547824
0.28411334
345.288731
179.911730
3.760982
1.17797592
2.110760
03/17/2061
349.589966
1.64499769
0.28390299
345.661045
179.724463
3.768331
1.17797794
2.109835
03/25/2090
261.188173
1.64493467
0.28384919
345.975931
179.558463
3.773843
1.17802130
2.109714
04/03/2119
173.444587
1.64459094
0.28398964
346.373344
179.361922
3.781145
1.17754416
2.109053
04/10/2148
85.704794
1.64479772
0.28394967
346.662673
179.185826
3.786383
1.17775795
2.109451
04/18/2177
357.086945
1.64517813
0.28416732
347.087597
179.006060
3.794185
1.17767227
2.110182
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