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
9
General information
Preliminary designation
2021 UL
9
Group
Apollo
Absolute magnitude
21.62
Approximate diameter (m)
130
Approximate mass (kg)
3.66·10
9
Number of observations
52
Arc length (days)
132
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
351.834138
a
– orbit major semiaxis (astronomical units)
2.73399300
e
– orbit eccentricity
0.69615200
ω
– orbit ascending node-perihelion angle (degrees)
103.674397
Ω
– longitude of orbit ascending node (degrees)
357.014410
i
– orbit inclination to the ecliptic plane (degrees)
12.775052
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
235.893398
2.75647940
0.69140632
73.320215
27.149130
12.761579
0.85063211
4.576492
01/21/1858
4.853658
2.74921397
0.69432013
79.186013
21.222630
12.532343
0.84037935
4.558410
01/29/1887
137.928376
2.75537417
0.69176401
81.852280
18.641472
12.407422
0.84930548
4.573740
02/07/1916
268.925280
2.74538680
0.69474110
87.795913
12.680544
12.381539
0.83805375
4.548895
02/14/1945
44.400421
2.75579041
0.69137039
90.846083
9.681533
12.321246
0.85051852
4.574777
02/22/1974
177.257857
2.74070593
0.69493897
96.163952
4.434927
12.477352
0.83608258
4.537266
03/02/2003
315.795807
2.75582359
0.69012944
99.983790
0.594346
12.522785
0.85394861
4.574859
03/09/2032
89.061833
2.73946355
0.69545358
103.770967
356.947856
12.768742
0.83429382
4.534182
03/17/2061
226.180533
2.75721524
0.68862995
108.377478
352.241239
12.975088
0.85851426
4.578325
03/25/2090
356.647160
2.73942995
0.69392517
110.968688
349.782804
13.244800
0.83847057
4.534098
04/03/2119
132.489479
2.75681818
0.68568371
115.769057
344.886581
13.624573
0.86651285
4.577336
04/10/2148
262.155571
2.73876692
0.69066731
117.757452
343.045585
13.896088
0.84719015
4.532452
04/18/2177
34.812172
2.76033167
0.68149161
122.226638
338.488877
14.422983
0.87918879
4.586089
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