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 HT
1
General information
Preliminary designation
2021 HT
1
Group
Apollo
Absolute magnitude
26.18
Approximate diameter (m)
15
Approximate mass (kg)
6.73·10
6
Number of observations
31
Arc length (days)
15
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
347.947485
a
– orbit major semiaxis (astronomical units)
1.86248200
e
– orbit eccentricity
0.50691000
ω
– orbit ascending node-perihelion angle (degrees)
68.520396
Ω
– longitude of orbit ascending node (degrees)
201.257711
i
– orbit inclination to the ecliptic plane (degrees)
4.261692
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
190.214301
1.86755546
0.50682913
63.134406
205.364888
4.352185
0.92102394
2.552177
01/21/1858
323.394626
1.86771432
0.50759599
63.620816
204.919027
4.344094
0.91967001
2.552503
01/29/1887
99.230688
1.86619763
0.50720106
64.553235
204.281632
4.328372
0.91966021
2.549395
02/07/1916
237.012079
1.86445145
0.50635963
65.187909
203.758299
4.320570
0.92036851
2.545817
02/14/1945
17.894578
1.86592698
0.50681816
66.019500
203.090197
4.307483
0.92024130
2.548840
02/22/1974
155.706933
1.86587435
0.50671863
66.827717
202.474033
4.302241
0.92040105
2.548732
03/02/2003
296.571338
1.86491092
0.50641865
67.772201
201.774547
4.283273
0.92048525
2.546758
03/09/2032
81.852891
1.86315022
0.50724699
68.573714
201.201501
4.263267
0.91807288
2.543153
03/17/2061
229.989489
1.86317411
0.50692527
69.448321
200.497468
4.258548
0.91868407
2.543202
03/25/2090
19.743208
1.86275693
0.50729330
69.982369
200.007306
4.255918
0.91779281
2.542347
04/03/2119
168.956520
1.86241754
0.50697085
70.949569
199.313197
4.244712
0.91822615
2.541653
04/10/2148
320.097949
1.86238032
0.50668004
71.738826
198.670628
4.240127
0.91874938
2.541576
04/18/2177
110.891517
1.86133288
0.50726066
72.598381
198.029412
4.238742
0.91715193
2.539433
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