Catalogue of the Solar System Small Bodies Orbital Evolution
Catalogue of the Solar System Small Bodies Orbital Evolution
Русский
English
Site
Asteroids catalogue
Comets catalogue
Information
Asteroid search
Summary information
Asteroids selection
Closest approaches
Approaches archive
Diagram 2D
Histogram
Impact probability
Potential hazardous
Asteroid information
General data
Initial data
Approaches
Asteroid orbit evolution
Tables
Graphs
3D animation
Calculation
Asteroid General Data
2021 WA
4
General information
Preliminary designation
2021 WA
4
Group
Amor
Absolute magnitude
25.50
Approximate diameter (m)
21
Approximate mass (kg)
1.72·10
7
Number of observations
20
Arc length (days)
16
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
186.404879
a
– orbit major semiaxis (astronomical units)
1.50308000
e
– orbit eccentricity
0.28016800
ω
– orbit ascending node-perihelion angle (degrees)
330.243584
Ω
– longitude of orbit ascending node (degrees)
56.790827
i
– orbit inclination to the ecliptic plane (degrees)
15.340444
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
101.321280
1.51073700
0.28441727
328.303295
57.813573
15.423522
1.08105730
1.856880
01/21/1858
326.160504
1.51104447
0.28424218
328.629045
57.664842
15.429463
1.08154190
1.857447
01/29/1887
187.985283
1.51193004
0.28446964
328.926224
57.507845
15.435996
1.08183185
1.859080
02/07/1916
46.734167
1.51227817
0.28465463
329.156346
57.373874
15.437965
1.08180119
1.859722
02/14/1945
264.698752
1.51187732
0.28445123
329.393630
57.222432
15.441888
1.08182195
1.858983
02/22/1974
124.774172
1.51147753
0.28396950
329.661070
57.071234
15.444948
1.08226401
1.858246
03/02/2003
348.571836
1.51095866
0.28359245
329.931978
56.931602
15.451937
1.08246219
1.857289
03/09/2032
214.540985
1.51044886
0.28330787
330.262979
56.779602
15.461848
1.08252682
1.856349
03/17/2061
83.973587
1.50970721
0.28288117
330.569769
56.624398
15.467899
1.08263947
1.854982
03/25/2090
316.250681
1.50945226
0.28260561
330.826057
56.477378
15.473116
1.08287259
1.854512
04/03/2119
189.179913
1.50969265
0.28267747
331.021650
56.340909
15.474295
1.08293655
1.854955
04/10/2148
59.910559
1.51000696
0.28295717
331.259541
56.197953
15.478006
1.08273967
1.855535
04/18/2177
286.953709
1.51090183
0.28313653
331.662644
56.036715
15.485180
1.08311034
1.857184
Detailed table...
Graphs...
3D animation...
Calculation on the date...
Return to search
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