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
2017 SN
21
General information
Preliminary designation
2017 SN
21
Group
Apollo
Absolute magnitude
26.00
Approximate diameter (m)
17
Approximate mass (kg)
8.63·10
6
Number of observations
37
Arc length (days)
5
Approaches
No approaches found
Orbit initial data
Date of initial data
11/21/2025
M
– mean anomaly (degrees)
183.364591
a
– orbit major semiaxis (astronomical units)
1.28204000
e
– orbit eccentricity
0.26686100
ω
– orbit ascending node-perihelion angle (degrees)
232.622989
Ω
– longitude of orbit ascending node (degrees)
194.357970
i
– orbit inclination to the ecliptic plane (degrees)
8.803364
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
81.646601
1.28449705
0.26715194
230.245515
195.953627
8.854575
0.94134118
1.455795
01/21/1858
52.058885
1.28573656
0.26773805
230.463764
195.686480
8.843381
0.94149597
1.457903
01/29/1887
27.434827
1.28341735
0.26690961
230.957423
195.491114
8.839691
0.94086093
1.453960
02/07/1916
20.069926
1.28251206
0.26648762
231.328952
195.301032
8.842002
0.94073848
1.452422
02/14/1945
9.328331
1.28331316
0.26686450
231.571839
195.034363
8.836402
0.94084244
1.453783
02/22/1974
347.648194
1.28470043
0.26755695
231.762266
194.740797
8.819994
0.94096990
1.456141
03/02/2003
319.664385
1.28472231
0.26762246
232.077245
194.531350
8.820655
0.94090176
1.456178
03/09/2032
304.788639
1.28236540
0.26699576
232.711919
194.310539
8.803098
0.93997928
1.452173
03/17/2061
300.199406
1.28248244
0.26710889
232.967036
194.098256
8.802658
0.93991998
1.452372
03/25/2090
279.335021
1.28510560
0.26860064
233.045766
193.800881
8.762853
0.93992542
1.456830
04/03/2119
248.078982
1.28507383
0.26855095
233.355398
193.567059
8.763815
0.93996603
1.456776
04/10/2148
211.801567
1.28686723
0.26943468
233.525301
193.326844
8.743691
0.94014057
1.459826
04/18/2177
171.275137
1.28666285
0.26930235
233.813932
193.095651
8.740844
0.94016152
1.459479
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