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 AU
4
General information
Preliminary designation
2021 AU
4
Group
Apollo
Absolute magnitude
24.20
Approximate diameter (m)
38
Approximate mass (kg)
1.04·10
8
Number of observations
23
Arc length (days)
6
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
13.520147
a
– orbit major semiaxis (astronomical units)
1.43396400
e
– orbit eccentricity
0.41860400
ω
– orbit ascending node-perihelion angle (degrees)
78.025127
Ω
– longitude of orbit ascending node (degrees)
117.779310
i
– orbit inclination to the ecliptic plane (degrees)
13.592064
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
44.040529
1.43433607
0.41816651
75.799014
119.511821
13.649471
0.83454476
1.717817
01/21/1858
5.308828
1.43459567
0.41833184
76.156736
119.236204
13.647268
0.83445863
1.718284
01/29/1887
327.568621
1.43433004
0.41833881
76.480079
119.005662
13.633725
0.83429412
1.717807
02/07/1916
287.818171
1.43432908
0.41860311
76.767289
118.752580
13.627191
0.83391447
1.717805
02/14/1945
249.764230
1.43428323
0.41853422
77.126621
118.497856
13.617058
0.83398662
1.717722
02/22/1974
211.199769
1.43406193
0.41865018
77.379212
118.270815
13.611073
0.83369164
1.717325
03/02/2003
173.556830
1.43419580
0.41848575
77.774458
117.985516
13.612616
0.83400529
1.717565
03/09/2032
138.805324
1.43388589
0.41867046
78.070480
117.754328
13.592031
0.83356023
1.717009
03/17/2061
102.634427
1.43387937
0.41869434
78.370560
117.479288
13.585998
0.83352219
1.716997
03/25/2090
67.795730
1.43347806
0.41873856
78.698574
117.243763
13.588326
0.83322551
1.716276
04/03/2119
35.010058
1.43339732
0.41887372
79.149014
116.958458
13.572472
0.83298485
1.716131
04/10/2148
0.096843
1.43416493
0.41917507
79.382760
116.729770
13.564006
0.83299875
1.717510
04/18/2177
325.002511
1.43368972
0.41927228
79.664144
116.479587
13.565053
0.83258336
1.716656
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