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 TW
General information
Preliminary designation
2021 TW
Group
Amor
Absolute magnitude
26.14
Approximate diameter (m)
16
Approximate mass (kg)
7.11·10
6
Number of observations
16
Arc length (days)
2
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
8.731022
a
– orbit major semiaxis (astronomical units)
1.72168300
e
– orbit eccentricity
0.40255000
ω
– orbit ascending node-perihelion angle (degrees)
220.469214
Ω
– longitude of orbit ascending node (degrees)
191.190220
i
– orbit inclination to the ecliptic plane (degrees)
10.715945
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
243.854628
1.72242233
0.40214770
217.878513
192.777842
10.799776
1.02975416
2.260529
01/21/1858
188.207299
1.72198069
0.40215126
218.256169
192.538283
10.789765
1.02948399
2.259660
01/29/1887
130.673199
1.72266042
0.40230806
218.576729
192.337399
10.781536
1.02962025
2.260998
02/07/1916
73.926621
1.72172531
0.40216243
218.996720
192.074572
10.764661
1.02931208
2.259157
02/14/1945
16.666638
1.72210883
0.40233321
219.322044
191.868899
10.755155
1.02924725
2.259912
02/22/1974
320.632162
1.72209234
0.40242573
219.778577
191.595338
10.737797
1.02907807
2.259879
03/02/2003
262.081994
1.72265265
0.40271145
220.092464
191.397834
10.729643
1.02892071
2.260982
03/09/2032
204.832647
1.72213582
0.40299095
220.541647
191.146088
10.712870
1.02813067
2.259965
03/17/2061
147.252573
1.72205395
0.40290514
220.882612
190.920656
10.705901
1.02822956
2.259804
03/25/2090
91.129215
1.72189758
0.40345055
221.274716
190.681468
10.696417
1.02719705
2.259496
04/03/2119
31.969578
1.72241612
0.40334736
221.646486
190.432754
10.685170
1.02768413
2.260517
04/10/2148
333.729682
1.72250226
0.40367476
222.017193
190.192065
10.672682
1.02717157
2.260686
04/18/2177
273.645242
1.72260941
0.40360040
222.421909
189.949695
10.659527
1.02736357
2.260897
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