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 WR
4
General information
Preliminary designation
2021 WR
4
Group
Apollo
Absolute magnitude
30.43
Approximate diameter (m)
2
Approximate mass (kg)
1.90·10
4
Number of observations
27
Arc length (days)
3
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
24.067356
a
– orbit major semiaxis (astronomical units)
1.28055700
e
– orbit eccentricity
0.25142400
ω
– orbit ascending node-perihelion angle (degrees)
39.194532
Ω
– longitude of orbit ascending node (degrees)
61.611523
i
– orbit inclination to the ecliptic plane (degrees)
0.404340
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
320.856552
1.30242844
0.26112542
13.379341
83.425941
0.843133
0.96233127
1.486385
01/21/1858
148.003150
1.30096933
0.26042684
14.870561
81.440697
0.801642
0.96216199
1.483888
01/29/1887
352.202037
1.30058814
0.26015279
14.693246
81.642522
0.801806
0.96223651
1.483236
02/07/1916
185.052556
1.30193173
0.26081527
14.623305
81.203479
0.797810
0.96236805
1.485535
02/14/1945
17.033507
1.30240303
0.26092830
14.019355
81.853436
0.799163
0.96256922
1.486342
02/22/1974
122.848340
1.31681927
0.26751775
32.159122
64.557700
0.621217
0.96454674
1.511088
03/02/2003
195.522886
1.31720802
0.26736001
32.143884
64.634448
0.622625
0.96503927
1.511758
03/09/2032
12.394154
1.28059414
0.25155683
39.162053
61.639787
0.403905
0.95845193
1.449165
03/17/2061
31.233195
1.27631619
0.24955133
39.504716
61.789779
0.401932
0.95780979
1.441910
03/25/2090
77.999168
1.27801516
0.25017664
39.945101
61.606196
0.400342
0.95828563
1.444790
04/03/2119
100.304793
1.27958799
0.25078652
40.064900
61.663229
0.398754
0.95868458
1.447458
04/10/2148
130.999632
1.27435140
0.24848282
40.444285
61.757879
0.396793
0.95769697
1.438581
04/18/2177
199.061502
1.27291272
0.24799718
43.727438
57.830280
0.379899
0.95723396
1.436146
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