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 TN
1
General information
Preliminary designation
2021 TN
1
Group
Apollo
Absolute magnitude
26.30
Approximate diameter (m)
15
Approximate mass (kg)
5.70·10
6
Number of observations
46
Arc length (days)
59
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
8.259751
a
– orbit major semiaxis (astronomical units)
1.32879200
e
– orbit eccentricity
0.24085900
ω
– orbit ascending node-perihelion angle (degrees)
23.792145
Ω
– longitude of orbit ascending node (degrees)
5.499389
i
– orbit inclination to the ecliptic plane (degrees)
3.255254
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
59.400124
1.31874949
0.23481371
17.709433
9.478999
3.566721
1.00908903
1.514412
01/21/1858
104.807871
1.32075725
0.23568912
18.089598
9.180743
3.554911
1.00946915
1.517872
01/29/1887
158.299720
1.31902410
0.23501980
19.150728
8.601848
3.547430
1.00902733
1.514885
02/07/1916
212.888743
1.31916639
0.23484707
19.340502
8.464419
3.536592
1.00936402
1.515130
02/14/1945
255.188128
1.32210977
0.23686657
20.474614
7.677348
3.468490
1.00894616
1.520204
02/22/1974
281.933775
1.32446285
0.23845877
21.806845
6.831185
3.383581
1.00863307
1.524264
03/02/2003
291.197438
1.32729804
0.23998945
22.524329
6.266096
3.347613
1.00876051
1.529161
03/09/2032
278.270516
1.32934439
0.24111609
23.822476
5.474053
3.257796
1.00881807
1.532699
03/17/2061
263.508303
1.32762166
0.24041340
24.310704
5.159237
3.254106
1.00844363
1.529721
03/25/2090
262.425428
1.32595165
0.23967448
24.807905
4.881517
3.248930
1.00815488
1.526835
04/03/2119
281.768137
1.32292311
0.23833036
25.589181
4.463076
3.243516
1.00763036
1.521607
04/10/2148
311.130942
1.32248374
0.23827860
26.177344
4.069657
3.236156
1.00736417
1.520849
04/18/2177
343.784178
1.32032566
0.23761927
27.565218
3.337271
3.162534
1.00659083
1.517128
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