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 HE
3
General information
Preliminary designation
2021 HE
3
Group
Amor
Absolute magnitude
25.22
Approximate diameter (m)
24
Approximate mass (kg)
2.53·10
7
Number of observations
22
Arc length (days)
7
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
50.488482
a
– orbit major semiaxis (astronomical units)
1.16964800
e
– orbit eccentricity
0.11069700
ω
– orbit ascending node-perihelion angle (degrees)
321.947243
Ω
– longitude of orbit ascending node (degrees)
211.563215
i
– orbit inclination to the ecliptic plane (degrees)
15.548702
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
17.418973
1.16941383
0.11119882
320.013761
212.633694
15.520928
1.03937639
1.264599
01/21/1858
357.139120
1.16977582
0.11150161
320.260039
212.485721
15.522660
1.03934393
1.265187
01/29/1887
337.452935
1.16939036
0.11113161
320.509213
212.330405
15.529384
1.03943412
1.264561
02/07/1916
318.752178
1.16912122
0.11081452
320.790903
212.155771
15.533480
1.03956561
1.264125
02/14/1945
301.336814
1.16955465
0.11101707
321.036266
212.011123
15.536172
1.03971412
1.264828
02/22/1974
284.747172
1.16907322
0.11065495
321.145801
211.857508
15.539849
1.03970948
1.264047
03/02/2003
266.058562
1.16940080
0.11069867
321.624179
211.691287
15.544032
1.03994968
1.264578
03/09/2032
246.764049
1.16963355
0.11071849
321.945053
211.542221
15.549890
1.04013349
1.264956
03/17/2061
227.130749
1.16941624
0.11047754
322.115829
211.392759
15.553483
1.04022202
1.264603
03/25/2090
204.809612
1.16955020
0.11041045
322.524516
211.226919
15.558129
1.04041963
1.264821
04/03/2119
183.651215
1.16985718
0.11062104
322.774162
211.078181
15.562465
1.04044636
1.265319
04/10/2148
163.583808
1.16924480
0.10996716
322.999808
210.918678
15.567984
1.04066627
1.264325
04/18/2177
144.203524
1.16932070
0.10999300
323.398477
210.750496
15.572509
1.04070361
1.264448
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