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
2009 HG
21
General information
Preliminary designation
2009 HG
21
Group
Aten
Absolute magnitude
25.02
Approximate diameter (m)
26
Approximate mass (kg)
3.34·10
7
Number of observations
27
Arc length (days)
3
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
185.209631
a
– orbit major semiaxis (astronomical units)
0.90775400
e
– orbit eccentricity
0.36771100
ω
– orbit ascending node-perihelion angle (degrees)
317.128215
Ω
– longitude of orbit ascending node (degrees)
32.326068
i
– orbit inclination to the ecliptic plane (degrees)
5.427445
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
97.247554
0.90793323
0.36726285
314.755009
35.316132
5.632751
0.57448308
0.865130
01/21/1858
294.824544
0.90797537
0.36730660
315.175685
34.865880
5.611373
0.57447002
0.865190
01/29/1887
142.921758
0.90779649
0.36768140
315.631431
34.320795
5.528411
0.57401661
0.864935
02/07/1916
339.513373
0.90835376
0.36755845
315.862796
33.917571
5.509461
0.57448066
0.865731
02/14/1945
176.821409
0.90765782
0.36770759
316.280817
33.494736
5.491526
0.57390515
0.864737
02/22/1974
18.268666
0.90749931
0.36781397
316.555495
33.152899
5.472331
0.57370839
0.864510
03/02/2003
220.555401
0.90775193
0.36774809
316.852508
32.721333
5.455076
0.57392789
0.864871
03/09/2032
57.768218
0.90794570
0.36760640
317.159982
32.274560
5.426707
0.57417905
0.865148
03/17/2061
256.578739
0.90735612
0.36782013
317.637077
31.749082
5.390628
0.57361227
0.864305
03/25/2090
101.793009
0.90748710
0.36778278
317.965112
31.328308
5.368033
0.57372897
0.864493
04/03/2119
298.316718
0.90801087
0.36778235
318.253650
30.865887
5.318810
0.57406049
0.865241
04/10/2148
132.963388
0.90801819
0.36764288
318.557211
30.456463
5.303864
0.57419177
0.865252
04/18/2177
332.456428
0.90782352
0.36780305
319.064563
29.879937
5.234375
0.57392327
0.864973
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