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 HH
21
General information
Preliminary designation
2009 HH
21
Group
Amor
Absolute magnitude
26.87
Approximate diameter (m)
11
Approximate mass (kg)
2.59·10
6
Number of observations
22
Arc length (days)
7
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
105.157925
a
– orbit major semiaxis (astronomical units)
1.40118200
e
– orbit eccentricity
0.26270900
ω
– orbit ascending node-perihelion angle (degrees)
11.858434
Ω
– longitude of orbit ascending node (degrees)
213.247134
i
– orbit inclination to the ecliptic plane (degrees)
4.228943
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
319.082241
1.41021329
0.26682886
7.351476
215.588180
4.261942
1.03392769
1.674665
01/21/1858
85.881858
1.40500600
0.26455538
8.042978
215.260722
4.268489
1.03330410
1.665397
01/29/1887
261.411867
1.40099453
0.26247048
8.619832
214.967597
4.274477
1.03327482
1.658270
02/07/1916
81.002176
1.40131499
0.26256615
8.832065
214.802057
4.276752
1.03337711
1.658839
02/14/1945
232.470189
1.40977669
0.26670582
10.209781
214.061704
4.225595
1.03378105
1.673887
02/22/1974
350.375278
1.41044392
0.26691800
10.449467
213.898544
4.227289
1.03397105
1.675075
03/02/2003
109.670529
1.40927222
0.26645082
10.786596
213.688440
4.231103
1.03377048
1.672988
03/09/2032
273.166992
1.40109687
0.26258806
11.874885
213.225171
4.229396
1.03318557
1.658452
03/17/2061
93.901310
1.40087976
0.26269849
12.141395
213.061036
4.232688
1.03287077
1.658066
03/25/2090
261.546059
1.40676321
0.26550619
13.496971
212.312982
4.168593
1.03325887
1.668523
04/03/2119
21.885060
1.41066245
0.26759364
14.191191
211.899728
4.150617
1.03317814
1.675465
04/10/2148
137.766573
1.41030516
0.26725763
14.413029
211.742887
4.153105
1.03339035
1.674828
04/18/2177
281.620809
1.40165900
0.26356853
16.261384
210.967154
4.102005
1.03222580
1.659450
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