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 UL
4
General information
Preliminary designation
2021 UL
4
Group
Aten
Absolute magnitude
24.13
Approximate diameter (m)
40
Approximate mass (kg)
1.14·10
8
Number of observations
26
Arc length (days)
13
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
114.527820
a
– orbit major semiaxis (astronomical units)
0.95656300
e
– orbit eccentricity
0.27973800
ω
– orbit ascending node-perihelion angle (degrees)
11.599137
Ω
– longitude of orbit ascending node (degrees)
227.576119
i
– orbit inclination to the ecliptic plane (degrees)
9.828573
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
113.173368
0.95652090
0.27982573
10.404756
229.590288
9.774488
0.68886174
0.935497
01/21/1858
120.759099
0.95670396
0.27995320
10.604835
229.252820
9.782131
0.68887162
0.935765
01/29/1887
127.385108
0.95656453
0.27989332
10.802748
228.977753
9.791115
0.68882850
0.935561
02/07/1916
135.933098
0.95648340
0.27982229
10.920393
228.710433
9.799602
0.68883803
0.935442
02/14/1945
143.602318
0.95630657
0.27969535
11.120448
228.375142
9.809750
0.68883206
0.935182
02/22/1974
152.397241
0.95664868
0.27992131
11.261710
228.102892
9.812528
0.68886233
0.935684
03/02/2003
159.398143
0.95654146
0.27980106
11.471214
227.831359
9.821127
0.68890014
0.935527
03/09/2032
166.913387
0.95642031
0.27965639
11.624714
227.557178
9.830043
0.68895126
0.935349
03/17/2061
175.160649
0.95639546
0.27974529
11.827459
227.218706
9.841849
0.68884833
0.935313
03/25/2090
183.476358
0.95670710
0.27995329
11.966995
226.948568
9.844236
0.68887379
0.935770
04/03/2119
191.044173
0.95649394
0.27979767
12.154998
226.680687
9.855306
0.68886916
0.935457
04/10/2148
200.197836
0.95641654
0.27972661
12.312162
226.354552
9.862970
0.68888138
0.935344
04/18/2177
207.493942
0.95645324
0.27969541
12.473526
226.071732
9.874546
0.68893766
0.935398
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