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 LA
4
General information
Preliminary designation
2021 LA
4
Group
Amor
Absolute magnitude
20.87
Approximate diameter (m)
180
Approximate mass (kg)
1.03·10
10
Number of observations
62
Arc length (days)
2781
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
48.961699
a
– orbit major semiaxis (astronomical units)
2.58717500
e
– orbit eccentricity
0.51138400
ω
– orbit ascending node-perihelion angle (degrees)
86.247925
Ω
– longitude of orbit ascending node (degrees)
240.633814
i
– orbit inclination to the ecliptic plane (degrees)
25.846404
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
256.953642
2.58769871
0.50516993
81.931853
245.782716
26.076111
1.28047115
4.162662
01/21/1858
248.456099
2.58519177
0.50964590
82.660713
244.992610
26.001392
1.26765939
4.156615
01/29/1887
237.814905
2.59045136
0.50582200
83.594652
244.034857
25.967195
1.28014407
4.169306
02/07/1916
225.494287
2.58868381
0.50716285
83.501114
243.740964
25.974986
1.27579955
4.165039
02/14/1945
217.347728
2.58906460
0.50967270
84.809215
242.519542
25.863814
1.26948906
4.165959
02/22/1974
205.073911
2.59157402
0.50646469
85.117343
241.988762
25.902740
1.27903328
4.172017
03/02/2003
194.183097
2.58663744
0.51092123
85.323775
241.427668
25.848440
1.26506946
4.160102
03/09/2032
185.810925
2.58889298
0.50969555
86.617811
240.281261
25.842209
1.26934576
4.165544
03/17/2061
173.058814
2.58834765
0.50822600
86.578079
239.946468
25.859595
1.27288207
4.164228
03/25/2090
163.820525
2.58432807
0.51315567
87.317623
239.078176
25.813468
1.25816547
4.154532
04/03/2119
153.925438
2.58826934
0.50967172
88.275830
238.176112
25.818326
1.26910166
4.164039
04/10/2148
141.428850
2.58656468
0.51034611
88.129620
237.859508
25.827423
1.26652146
4.159926
04/18/2177
133.184975
2.58473116
0.51381546
89.247484
236.812369
25.780817
1.25665633
4.155504
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