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
1997 WB
21
(380128)
General information
Preliminary designation
1997 WB
21
Number
380128
Group
Apollo
Absolute magnitude
20.27
Approximate diameter (m)
230
Approximate mass (kg)
2.37·10
10
Number of observations
417
Arc length (days)
10015
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
89.670894
a
– orbit major semiaxis (astronomical units)
1.45978700
e
– orbit eccentricity
0.31697000
ω
– orbit ascending node-perihelion angle (degrees)
81.982821
Ω
– longitude of orbit ascending node (degrees)
280.945605
i
– orbit inclination to the ecliptic plane (degrees)
3.390546
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
141.342079
1.46072651
0.31731038
78.263614
283.670057
3.401500
0.99722282
1.765444
01/21/1858
301.105710
1.46047368
0.31712108
78.859667
283.235116
3.401996
0.99732668
1.764986
01/29/1887
101.787084
1.46057789
0.31740188
79.392955
282.833194
3.399848
0.99698772
1.765175
02/07/1916
261.629723
1.46069292
0.31730821
79.935607
282.443746
3.397806
0.99720307
1.765383
02/14/1945
61.981215
1.46043553
0.31735892
80.424193
282.070972
3.394868
0.99695329
1.764917
02/22/1974
222.645794
1.46047136
0.31731536
81.020657
281.645031
3.392488
0.99704136
1.764982
03/02/2003
22.675527
1.46044910
0.31734045
81.580705
281.229930
3.392657
0.99698953
1.764941
03/09/2032
182.329517
1.46062461
0.31740836
82.167397
280.815810
3.391131
0.99701015
1.765259
03/17/2061
342.186877
1.46029587
0.31717070
82.687023
280.432054
3.387959
0.99713281
1.764663
03/25/2090
143.545065
1.46046277
0.31748900
83.301045
279.997146
3.386591
0.99678191
1.764966
04/03/2119
303.454940
1.46072496
0.31750120
83.837021
279.603207
3.385105
0.99694304
1.765441
04/10/2148
102.989019
1.46021447
0.31767397
84.478862
279.139483
3.386654
0.99634235
1.764516
04/18/2177
263.735344
1.45960449
0.31721103
84.913800
278.807965
3.385315
0.99660185
1.763410
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