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
2
General information
Preliminary designation
2021 WB
2
Group
Apollo
Absolute magnitude
24.56
Approximate diameter (m)
33
Approximate mass (kg)
6.31·10
7
Number of observations
50
Arc length (days)
1474
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
125.886195
a
– orbit major semiaxis (astronomical units)
1.58265600
e
– orbit eccentricity
0.56562500
ω
– orbit ascending node-perihelion angle (degrees)
80.440865
Ω
– longitude of orbit ascending node (degrees)
255.414489
i
– orbit inclination to the ecliptic plane (degrees)
4.633142
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
63.400680
1.58188057
0.56574203
75.527163
259.773483
4.559704
0.68694425
1.989579
01/21/1858
270.483841
1.58653581
0.56639572
76.023735
259.080554
4.590356
0.68792872
1.998368
01/29/1887
120.271709
1.58136659
0.56575872
77.071015
258.318239
4.633819
0.68669465
1.988609
02/07/1916
330.635587
1.58248256
0.56589499
77.735393
257.741478
4.626447
0.68696360
1.990715
02/14/1945
177.680761
1.58316423
0.56596677
78.373983
257.200777
4.619311
0.68714588
1.992001
02/22/1974
25.493136
1.58207335
0.56577462
79.056385
256.601906
4.615767
0.68697640
1.989943
03/02/2003
236.947532
1.58122106
0.56586921
79.736047
256.014007
4.610635
0.68645674
1.988335
03/09/2032
84.546953
1.58250127
0.56571415
80.615343
255.216450
4.643997
0.68725791
1.990750
03/17/2061
293.336760
1.58259619
0.56582124
81.143171
254.626651
4.639073
0.68712965
1.990929
03/25/2090
97.780143
1.59310717
0.56726930
81.466025
253.863120
4.693033
0.68938638
2.010796
04/03/2119
256.647718
1.59346050
0.56718412
82.296877
253.104378
4.726972
0.68967501
2.011465
04/10/2148
52.210106
1.59293101
0.56713290
83.100192
252.434139
4.723031
0.68952743
2.010463
04/18/2177
209.957511
1.59277272
0.56726471
83.731914
251.880046
4.717519
0.68924897
2.010163
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