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 WD
General information
Preliminary designation
2021 WD
Group
Apollo
Absolute magnitude
21.28
Approximate diameter (m)
150
Approximate mass (kg)
5.86·10
9
Number of observations
65
Arc length (days)
43
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
93.449849
a
– orbit major semiaxis (astronomical units)
2.39645300
e
– orbit eccentricity
0.65677600
ω
– orbit ascending node-perihelion angle (degrees)
47.531050
Ω
– longitude of orbit ascending node (degrees)
311.076070
i
– orbit inclination to the ecliptic plane (degrees)
9.097007
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
356.012817
2.39603610
0.64892775
37.254745
319.714464
10.342836
0.84118178
3.708862
01/21/1858
296.799474
2.38926218
0.65495571
38.683230
318.655080
10.165777
0.82440127
3.693145
01/29/1887
244.337674
2.39827174
0.65057778
39.901047
317.548850
9.959645
0.83800943
3.714054
02/07/1916
185.059229
2.39097099
0.65678512
41.357474
316.384879
9.807818
0.82061681
3.697107
02/14/1945
127.533893
2.40056480
0.65396438
42.058111
315.721281
9.701886
0.83068092
3.719382
02/22/1974
59.610419
2.39349053
0.65824653
44.357621
313.791578
9.442095
0.81798369
3.702953
03/02/2003
0.685122
2.39643504
0.65539717
44.940619
313.152951
9.368990
0.82581830
3.709788
03/09/2032
292.805253
2.39150060
0.65908107
47.664682
310.932683
9.085633
0.81530782
3.698336
03/17/2061
241.167309
2.38888764
0.65554365
48.405890
310.196885
9.022908
0.82286751
3.692276
03/25/2090
185.664547
2.38578040
0.65942602
51.103417
307.960364
8.775408
0.81253473
3.685075
04/03/2119
133.836768
2.39408661
0.65624446
52.052693
307.008863
8.687322
0.82298054
3.704336
04/10/2148
72.426122
2.38871098
0.66084444
54.832538
304.639398
8.461932
0.81014460
3.691867
04/18/2177
17.889973
2.39487611
0.65678043
55.954488
303.515961
8.369855
0.82196834
3.706169
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