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
2018 PK
21
General information
Preliminary designation
2018 PK
21
Group
Aten
Absolute magnitude
25.83
Approximate diameter (m)
18
Approximate mass (kg)
1.09·10
7
Number of observations
132
Arc length (days)
833
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
147.180334
a
– orbit major semiaxis (astronomical units)
0.98324500
e
– orbit eccentricity
0.08087200
ω
– orbit ascending node-perihelion angle (degrees)
227.402125
Ω
– longitude of orbit ascending node (degrees)
302.614648
i
– orbit inclination to the ecliptic plane (degrees)
1.223181
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
245.294134
0.98489867
0.07885140
190.636056
349.051919
0.896817
0.90723803
0.977435
01/21/1858
134.030024
0.98498708
0.08002677
191.002622
345.032172
0.902970
0.90616175
0.977567
01/29/1887
6.555893
0.98676054
0.07965523
209.518831
324.882710
1.028599
0.90815990
0.980208
02/07/1916
221.934305
0.98688339
0.07969278
209.888332
324.640285
1.024598
0.90823591
0.980391
02/14/1945
102.561105
0.98311454
0.08012824
221.975931
311.433162
1.160279
0.90433930
0.974780
02/22/1974
8.226098
0.98659155
0.07998990
224.198350
307.262649
1.189550
0.90767419
0.979956
03/02/2003
229.790557
0.98653557
0.07996219
224.683474
306.968524
1.186552
0.90765003
0.979873
03/09/2032
109.985341
0.98335340
0.08082852
227.459692
302.558792
1.222863
0.90387041
0.975136
03/17/2061
28.449945
0.98409203
0.08201400
228.324571
295.704426
1.307121
0.90338270
0.976235
03/25/2090
294.695990
0.98371391
0.08203787
228.770075
295.412750
1.304881
0.90301211
0.975672
04/03/2119
164.379614
0.98556920
0.08031075
236.981871
286.874560
1.585178
0.90641739
0.978433
04/10/2148
45.441203
0.98733487
0.08135414
235.008074
283.980935
1.594140
0.90701110
0.981064
04/18/2177
288.170030
0.98509926
0.08139457
236.451779
283.462178
1.597142
0.90491753
0.977734
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