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 WB
4
General information
Preliminary designation
2021 WB
4
Group
Amor
Absolute magnitude
23.63
Approximate diameter (m)
50
Approximate mass (kg)
2.28·10
8
Number of observations
29
Arc length (days)
12
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
301.943342
a
– orbit major semiaxis (astronomical units)
1.38309700
e
– orbit eccentricity
0.26147600
ω
– orbit ascending node-perihelion angle (degrees)
144.643583
Ω
– longitude of orbit ascending node (degrees)
250.207868
i
– orbit inclination to the ecliptic plane (degrees)
27.078082
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
190.620429
1.38360118
0.26365638
143.399076
251.018390
27.015011
1.01880591
1.627485
01/21/1858
132.692434
1.38340232
0.26329766
143.623194
250.892943
27.025844
1.01915573
1.627134
01/29/1887
72.630645
1.38359038
0.26320111
143.781507
250.774830
27.032699
1.01942785
1.627466
02/07/1916
11.869112
1.38346670
0.26283235
143.945804
250.656827
27.041800
1.01984690
1.627248
02/14/1945
313.506228
1.38309291
0.26233055
144.133272
250.537116
27.052236
1.02026538
1.626588
02/22/1974
253.914263
1.38354182
0.26223695
144.350379
250.419317
27.061609
1.02072604
1.627380
03/02/2003
193.044235
1.38348698
0.26198089
144.508169
250.303829
27.068992
1.02103983
1.627284
03/09/2032
134.413247
1.38306413
0.26149505
144.690643
250.182179
27.082434
1.02139970
1.626538
03/17/2061
75.245600
1.38367804
0.26151028
144.928801
250.060750
27.089760
1.02183201
1.627621
03/25/2090
14.250826
1.38368065
0.26130076
145.107370
249.941840
27.100832
1.02212384
1.627625
04/03/2119
315.098531
1.38301492
0.26065655
145.286286
249.819685
27.111202
1.02252303
1.626451
04/10/2148
256.577768
1.38357389
0.26067825
145.495212
249.696969
27.119867
1.02290627
1.627437
04/18/2177
195.773527
1.38362968
0.26035538
145.648719
249.582577
27.125248
1.02339425
1.627535
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