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 RY
4
General information
Preliminary designation
2021 RY
4
Group
Apollo
Absolute magnitude
28.40
Approximate diameter (m)
6
Approximate mass (kg)
3.13·10
5
Number of observations
26
Arc length (days)
22
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
284.384390
a
– orbit major semiaxis (astronomical units)
1.93391100
e
– orbit eccentricity
0.50086600
ω
– orbit ascending node-perihelion angle (degrees)
329.390566
Ω
– longitude of orbit ascending node (degrees)
345.955628
i
– orbit inclination to the ecliptic plane (degrees)
5.696916
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
98.299041
1.91307385
0.49576926
324.693634
348.603881
5.347167
0.96463064
2.646051
01/21/1858
96.488845
1.90889423
0.49502569
325.106392
348.231400
5.382757
0.96394254
2.637384
01/29/1887
94.236221
1.90976390
0.49451617
325.694919
347.885982
5.389724
0.96535477
2.639187
02/07/1916
92.866058
1.90922850
0.49467831
326.169902
347.516110
5.403090
0.96477458
2.638077
02/14/1945
73.493498
1.91836482
0.49730413
327.305157
346.919682
5.496053
0.96435406
2.657036
02/22/1974
46.286554
1.91739838
0.49699813
327.734979
346.622901
5.503386
0.96445497
2.655028
03/02/2003
20.167753
1.91701205
0.49748317
328.199759
346.301547
5.513683
0.96333081
2.654226
03/09/2032
334.442033
1.93378523
0.50024597
329.396256
345.932743
5.692298
0.96641696
2.689137
03/17/2061
259.026426
1.93235315
0.50035557
329.949111
345.535026
5.708538
0.96548948
2.686151
03/25/2090
183.795373
1.93358811
0.49996757
330.443033
345.235998
5.713495
0.96685676
2.688726
04/03/2119
112.583057
1.93187140
0.49986138
330.908756
344.880172
5.733545
0.96620350
2.685146
04/10/2148
43.109794
1.93112302
0.49901528
331.474420
344.503669
5.744091
0.96746312
2.683586
04/18/2177
328.170022
1.93380934
0.50010513
332.001578
344.203273
5.749446
0.96670137
2.689188
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