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 UD
7
General information
Preliminary designation
2021 UD
7
Group
Apollo
Absolute magnitude
25.89
Approximate diameter (m)
18
Approximate mass (kg)
1.00·10
7
Number of observations
49
Arc length (days)
9
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
277.245680
a
– orbit major semiaxis (astronomical units)
1.38712400
e
– orbit eccentricity
0.28881000
ω
– orbit ascending node-perihelion angle (degrees)
31.264879
Ω
– longitude of orbit ascending node (degrees)
37.778741
i
– orbit inclination to the ecliptic plane (degrees)
14.419608
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
285.330251
1.38458757
0.28690328
29.392298
38.906383
14.517038
0.98734485
1.629226
01/21/1858
220.157956
1.38469588
0.28686732
29.675242
38.727185
14.505725
0.98747188
1.629417
01/29/1887
151.464375
1.38453076
0.28685182
29.886425
38.587958
14.501310
0.98737559
1.629125
02/07/1916
76.820271
1.38593116
0.28757801
30.115794
38.411774
14.482530
0.98736784
1.631598
02/14/1945
353.403615
1.38682386
0.28815251
30.374314
38.242701
14.462717
0.98720709
1.633174
02/22/1974
269.278990
1.38785328
0.28876343
30.606222
38.079532
14.447696
0.98709201
1.634993
03/02/2003
185.032046
1.38599812
0.28807576
30.969197
37.927737
14.444219
0.98672566
1.631716
03/09/2032
104.286056
1.38696424
0.28896357
31.300929
37.757006
14.418778
0.98618210
1.633422
03/17/2061
20.365456
1.38702899
0.28903583
31.533593
37.605383
14.411830
0.98612791
1.633537
03/25/2090
290.625017
1.38697735
0.28946430
31.957479
37.413612
14.386072
0.98549692
1.633446
04/03/2119
205.983282
1.38695517
0.28930262
32.181374
37.271800
14.378935
0.98570541
1.633406
04/10/2148
118.270998
1.38822084
0.28992489
32.369447
37.105175
14.363707
0.98574107
1.635643
04/18/2177
28.246695
1.38707915
0.28977129
32.824700
36.918967
14.343012
0.98514343
1.633625
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