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
2012 TN
20
General information
Preliminary designation
2012 TN
20
Group
Apollo
Absolute magnitude
22.32
Approximate diameter (m)
91
Approximate mass (kg)
1.39·10
9
Number of observations
44
Arc length (days)
3311
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
160.306880
a
– orbit major semiaxis (astronomical units)
1.18267300
e
– orbit eccentricity
0.38592100
ω
– orbit ascending node-perihelion angle (degrees)
139.127230
Ω
– longitude of orbit ascending node (degrees)
348.737552
i
– orbit inclination to the ecliptic plane (degrees)
11.616906
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
331.015599
1.18359552
0.38665983
137.272937
350.249833
11.579659
0.72594668
1.287673
01/21/1858
166.311133
1.18298420
0.38625652
137.599990
349.964682
11.575970
0.72604884
1.286675
01/29/1887
1.426757
1.18394942
0.38644884
137.909159
349.761609
11.582829
0.72641353
1.288251
02/07/1916
195.906012
1.18291104
0.38608546
138.120400
349.564478
11.589519
0.72620628
1.286556
02/14/1945
46.141048
1.18144817
0.38549587
138.356109
349.352693
11.593611
0.72600478
1.284170
02/22/1974
261.706184
1.18102416
0.38526499
138.594428
349.154701
11.602826
0.72601689
1.283479
03/02/2003
120.150149
1.18114036
0.38511792
138.811894
348.957428
11.600899
0.72626204
1.283668
03/09/2032
337.349429
1.18063450
0.38504383
139.093611
348.680094
11.591171
0.72603847
1.282844
03/17/2061
199.002423
1.18070102
0.38501037
139.317960
348.507485
11.591697
0.72611888
1.282952
03/25/2090
67.129929
1.17986996
0.38436969
139.683823
348.227525
11.601656
0.72636371
1.281598
04/03/2119
299.653661
1.17966400
0.38404988
140.105958
347.972439
11.624780
0.72661418
1.281262
04/10/2148
179.259835
1.17872893
0.38360692
140.351593
347.744184
11.627762
0.72656035
1.279739
04/18/2177
55.674134
1.18093312
0.38455076
140.781349
347.506164
11.622309
0.72680439
1.283331
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