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 NK
General information
Preliminary designation
2021 NK
Group
Apollo
Absolute magnitude
23.71
Approximate diameter (m)
48
Approximate mass (kg)
2.04·10
8
Number of observations
17
Arc length (days)
5
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
228.985984
a
– orbit major semiaxis (astronomical units)
2.11756400
e
– orbit eccentricity
0.56184300
ω
– orbit ascending node-perihelion angle (degrees)
125.432447
Ω
– longitude of orbit ascending node (degrees)
103.531678
i
– orbit inclination to the ecliptic plane (degrees)
6.538468
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
204.202316
2.11733951
0.56436642
119.304880
108.403589
6.281559
0.92238420
3.080962
01/21/1858
351.728242
2.11885271
0.56177214
119.676387
107.978419
6.306390
0.92854029
3.084266
01/29/1887
139.986950
2.11564205
0.56596380
120.701384
107.136405
6.345846
0.91826524
3.077258
02/07/1916
291.798415
2.11747571
0.56324607
122.306714
106.056673
6.394767
0.92481583
3.081259
02/14/1945
78.178044
2.11780370
0.56143266
122.573852
105.670256
6.416443
0.92879954
3.081975
02/22/1974
233.935166
2.11285399
0.56591330
123.835923
104.750534
6.466690
0.91716181
3.071177
03/02/2003
30.153976
2.11778174
0.56030406
125.209404
103.815054
6.526165
0.93118004
3.081927
03/09/2032
180.411777
2.11807377
0.56170482
125.484208
103.496860
6.539463
0.92834152
3.082565
03/17/2061
335.052264
2.11515151
0.56444653
127.541532
102.089956
6.628373
0.92126158
3.076188
03/25/2090
124.782784
2.12006856
0.56108013
127.952022
101.766780
6.645235
0.93054021
3.086921
04/03/2119
272.013280
2.11537621
0.56492008
128.691791
101.050179
6.680926
0.92035771
3.076678
04/10/2148
70.808456
2.11342747
0.56372564
130.248577
100.055022
6.757343
0.92203423
3.072427
04/18/2177
226.401260
2.11480002
0.56041960
130.590738
99.701527
6.773457
0.92962464
3.075421
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