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
2020 HD
9
General information
Preliminary designation
2020 HD
9
Group
Apollo
Absolute magnitude
19.58
Approximate diameter (m)
320
Approximate mass (kg)
6.14·10
10
Number of observations
24
Arc length (days)
3
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
343.612235
a
– orbit major semiaxis (astronomical units)
2.18112500
e
– orbit eccentricity
0.91090200
ω
– orbit ascending node-perihelion angle (degrees)
171.477530
Ω
– longitude of orbit ascending node (degrees)
230.502109
i
– orbit inclination to the ecliptic plane (degrees)
19.366215
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
354.619078
2.21026733
0.91781157
168.139708
233.073614
16.435884
0.18165841
3.286002
01/21/1858
286.189032
2.21522296
0.91586993
168.604564
232.704143
16.712247
0.18636687
3.297059
01/29/1887
217.287368
2.21368874
0.91619603
169.311641
232.074236
17.365679
0.18551591
3.293635
02/07/1916
148.893921
2.21587821
0.91467095
169.797759
231.745392
17.700299
0.18907879
3.298522
02/14/1945
79.980764
2.21490575
0.91421564
170.353417
231.296344
18.191041
0.19000426
3.296351
02/22/1974
11.833264
2.21561863
0.91338159
170.868641
230.932697
18.632601
0.19191337
3.297943
03/02/2003
303.236527
2.21469931
0.91302750
171.375265
230.550164
19.097738
0.19261794
3.295890
03/09/2032
235.353138
2.21475485
0.91222378
171.870595
230.203278
19.533495
0.19440281
3.296014
03/17/2061
167.199118
2.21427459
0.91209649
172.333541
229.866151
19.981182
0.19464250
3.294942
03/25/2090
99.522164
2.21431236
0.91145733
172.803178
229.538330
20.406711
0.19606113
3.295027
04/03/2119
31.768282
2.21360913
0.91112679
173.211130
229.249820
20.797016
0.19673054
3.293457
04/10/2148
324.121626
2.21359151
0.91053018
173.634519
228.952963
21.197548
0.19804964
3.293418
04/18/2177
256.662579
2.21400289
0.90997718
174.025770
228.703636
21.536367
0.19931078
3.294336
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