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 HX
General information
Preliminary designation
2021 HX
Group
Apollo
Absolute magnitude
24.78
Approximate diameter (m)
29
Approximate mass (kg)
4.65·10
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)
304.697563
a
– orbit major semiaxis (astronomical units)
2.00760200
e
– orbit eccentricity
0.53314700
ω
– orbit ascending node-perihelion angle (degrees)
90.422291
Ω
– longitude of orbit ascending node (degrees)
63.589870
i
– orbit inclination to the ecliptic plane (degrees)
3.109793
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
157.236176
2.00708633
0.53265212
84.089812
68.418722
3.139266
0.93800754
2.843477
01/21/1858
229.409167
2.00562572
0.53559079
85.427508
67.532819
3.133494
0.93143106
2.840373
01/29/1887
305.852260
2.00767682
0.53404619
85.840097
67.074791
3.127444
0.93548467
2.844732
02/07/1916
13.758155
2.00743820
0.53431016
87.527274
65.926069
3.122199
0.93484356
2.844225
02/14/1945
88.199825
2.00704052
0.53544095
87.725638
65.653321
3.118859
0.93238883
2.843379
02/22/1974
159.998005
2.01115419
0.53208870
88.834807
64.894808
3.113892
0.94104177
2.852126
03/02/2003
234.638571
2.00457037
0.53498571
89.930472
64.076090
3.106664
0.93215387
2.838132
03/09/2032
312.236053
2.00787442
0.53288230
90.419130
63.575318
3.109644
0.93791368
2.845152
03/17/2061
24.064065
2.00704212
0.53439339
92.167999
62.387019
3.116010
0.93449207
2.843383
03/25/2090
98.906458
2.00698357
0.53418665
92.399232
62.124284
3.113456
0.93487973
2.843258
04/03/2119
166.312538
2.00778897
0.53282946
94.058192
60.962630
3.109825
0.93797985
2.844970
04/10/2148
240.965731
2.00617836
0.53463924
94.603538
60.416525
3.111246
0.93359669
2.841548
04/18/2177
313.177567
2.00775549
0.53089041
95.736424
59.633511
3.108434
0.94185737
2.844899
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