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 RD
12
General information
Preliminary designation
2021 RD
12
Group
Apollo
Absolute magnitude
23.52
Approximate diameter (m)
53
Approximate mass (kg)
2.65·10
8
Number of observations
28
Arc length (days)
45
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
136.524335
a
– orbit major semiaxis (astronomical units)
2.31633600
e
– orbit eccentricity
0.57985800
ω
– orbit ascending node-perihelion angle (degrees)
142.295061
Ω
– longitude of orbit ascending node (degrees)
163.246345
i
– orbit inclination to the ecliptic plane (degrees)
2.630073
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
40.028278
2.33493075
0.58442529
131.720784
171.621335
2.325015
0.97033818
3.567891
01/21/1858
83.884273
2.33513946
0.58446653
133.728290
170.111019
2.376111
0.97032861
3.568370
01/29/1887
130.875268
2.33529208
0.58471749
135.691511
168.561166
2.429297
0.96980595
3.568720
02/07/1916
179.758335
2.33688368
0.58416965
136.089361
168.151115
2.444849
0.97174717
3.572369
02/14/1945
224.807390
2.33700031
0.58570502
137.944769
166.712705
2.501116
0.96820750
3.572636
02/22/1974
264.665672
2.33636585
0.58721396
139.770129
165.366623
2.560361
0.96441922
3.571181
03/02/2003
303.913508
2.33709732
0.58625004
141.792013
163.749999
2.627869
0.96697393
3.572858
03/09/2032
346.721696
2.33987150
0.58199024
142.737050
162.945845
2.671383
0.97808911
3.579222
03/17/2061
30.741428
2.33751866
0.58477625
143.334287
162.366856
2.696153
0.97059326
3.573825
03/25/2090
70.514517
2.33576472
0.58546043
144.728144
161.312484
2.751035
0.96826690
3.569803
04/03/2119
112.708153
2.33484956
0.58629749
146.425452
160.015825
2.815802
0.96593312
3.567705
04/10/2148
158.650871
2.33257330
0.58643428
147.904727
158.937172
2.876906
0.96467235
3.562489
04/18/2177
211.050451
2.33587103
0.58451798
148.255986
158.606419
2.892539
0.97051242
3.570047
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