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 RH
12
General information
Preliminary designation
2021 RH
12
Group
Apollo
Absolute magnitude
28.47
Approximate diameter (m)
5
Approximate mass (kg)
2.84·10
5
Number of observations
18
Arc length (days)
2
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
267.102041
a
– orbit major semiaxis (astronomical units)
1.14218700
e
– orbit eccentricity
0.20921400
ω
– orbit ascending node-perihelion angle (degrees)
246.774605
Ω
– longitude of orbit ascending node (degrees)
174.243817
i
– orbit inclination to the ecliptic plane (degrees)
3.728598
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
296.406471
1.10948438
0.19855111
250.318001
177.877880
4.040128
0.88919503
1.168644
01/21/1858
237.114893
1.11025885
0.19838279
251.005644
176.944197
4.084973
0.89000260
1.169868
01/29/1887
166.088058
1.10983651
0.19822202
251.393239
176.755931
4.089380
0.88984248
1.169201
02/07/1916
154.325121
1.10613656
0.19718468
253.082266
176.325113
4.120720
0.88802338
1.163359
02/14/1945
72.167957
1.11961341
0.20087518
250.053600
175.648981
4.063521
0.89471086
1.184685
02/22/1974
252.375102
1.12018052
0.20100723
250.489922
175.230556
4.075481
0.89501613
1.185585
03/02/2003
73.283571
1.11972088
0.20090535
250.709102
174.721983
4.083915
0.89476297
1.184855
03/09/2032
162.562408
1.14228560
0.20932472
246.799099
174.221458
3.728906
0.90317699
1.220851
03/17/2061
85.685474
1.14228349
0.20925425
247.704512
173.529697
3.754420
0.90325581
1.220848
03/25/2090
3.304429
1.14265481
0.20954953
247.848102
173.091715
3.756472
0.90321202
1.221443
04/03/2119
269.106942
1.14402172
0.20963387
247.522805
172.616300
3.745406
0.90419602
1.223635
04/10/2148
168.075331
1.14383101
0.20942391
247.900225
171.969029
3.762506
0.90428546
1.223329
04/18/2177
62.161836
1.13750440
0.20750777
249.939039
171.452654
3.755255
0.90146340
1.213194
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