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 HD
3
General information
Preliminary designation
2021 HD
3
Group
Apollo
Absolute magnitude
24.42
Approximate diameter (m)
35
Approximate mass (kg)
7.65·10
7
Number of observations
58
Arc length (days)
23
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
132.158782
a
– orbit major semiaxis (astronomical units)
1.64321400
e
– orbit eccentricity
0.39017800
ω
– orbit ascending node-perihelion angle (degrees)
209.804476
Ω
– longitude of orbit ascending node (degrees)
55.134102
i
– orbit inclination to the ecliptic plane (degrees)
9.361669
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
120.714756
1.63991478
0.38759728
207.227700
56.651515
9.551195
1.00428827
2.100064
01/21/1858
66.112774
1.63780802
0.38685899
207.630513
56.437696
9.541084
1.00420727
2.096018
01/29/1887
8.318780
1.63877885
0.38754956
208.099469
56.193058
9.489157
1.00367083
2.097882
02/07/1916
310.801214
1.63810328
0.38721665
208.434107
56.019262
9.477085
1.00380241
2.096585
02/14/1945
251.769858
1.63949987
0.38798959
208.814004
55.764994
9.450123
1.00339098
2.099267
02/22/1974
184.295736
1.64139594
0.38886265
209.147430
55.547080
9.414294
1.00311836
2.102910
03/02/2003
110.552335
1.64144584
0.38920738
209.535774
55.327475
9.398029
1.00258300
2.103006
03/09/2032
34.620805
1.64324221
0.39004589
209.848328
55.098781
9.359393
1.00230233
2.106459
03/17/2061
314.053401
1.64293998
0.39016765
210.223534
54.907969
9.344655
1.00191794
2.105878
03/25/2090
234.564460
1.64145049
0.38965907
210.681907
54.657753
9.314405
1.00184443
2.103015
04/03/2119
160.210641
1.64244789
0.38991109
211.020485
54.451876
9.298129
1.00203925
2.104932
04/10/2148
84.583891
1.64340985
0.39038177
211.385900
54.189488
9.264467
1.00185261
2.106781
04/18/2177
4.321502
1.64320741
0.39026057
211.696364
54.013652
9.250955
1.00192834
2.106392
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