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 RO
9
General information
Preliminary designation
2021 RO
9
Group
Amor
Absolute magnitude
18.93
Approximate diameter (m)
430
Approximate mass (kg)
1.51·10
11
Number of observations
147
Arc length (days)
177
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
346.039948
a
– orbit major semiaxis (astronomical units)
2.77287100
e
– orbit eccentricity
0.57989600
ω
– orbit ascending node-perihelion angle (degrees)
160.906268
Ω
– longitude of orbit ascending node (degrees)
261.105464
i
– orbit inclination to the ecliptic plane (degrees)
16.213665
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
58.243310
2.76400948
0.59484634
152.350243
266.971914
14.384810
1.11984857
4.595258
01/21/1858
170.836024
2.77214976
0.59157864
153.026614
266.349686
14.483785
1.13220517
4.615573
01/29/1887
270.197935
2.78064214
0.58350241
154.837778
265.091922
14.854091
1.15813074
4.636799
02/07/1916
12.481363
2.76724655
0.58788599
156.455437
264.006994
15.279130
1.14042106
4.603333
02/14/1945
124.162928
2.77066971
0.58590824
157.158064
263.430471
15.381557
1.14731148
4.611877
02/22/1974
221.034987
2.78048852
0.57766964
158.801631
262.393461
15.725747
1.17428473
4.636415
03/02/2003
323.946819
2.76908703
0.58207988
160.381973
261.471278
16.114725
1.15725718
4.607926
03/09/2032
75.215648
2.76908754
0.58123143
160.903860
260.970574
16.220420
1.15960684
4.607928
03/17/2061
169.672849
2.78347189
0.57194649
162.486271
260.097766
16.485787
1.19147492
4.643879
03/25/2090
275.141093
2.76191661
0.58030526
164.094690
259.145051
16.942113
1.15916188
4.590040
04/03/2119
26.538741
2.76790992
0.57659651
164.398697
258.863197
16.944900
1.17194271
4.604988
04/10/2148
117.932946
2.78525548
0.56714664
166.227683
257.883493
17.181492
1.20560719
4.648343
04/18/2177
228.703045
2.75786431
0.57630983
167.494840
257.260296
17.572708
1.16847999
4.579942
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