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 ST
1
General information
Preliminary designation
2021 ST
1
Group
Apollo
Absolute magnitude
27.01
Approximate diameter (m)
11
Approximate mass (kg)
2.14·10
6
Number of observations
34
Arc length (days)
2
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
169.440828
a
– orbit major semiaxis (astronomical units)
2.16264700
e
– orbit eccentricity
0.53207300
ω
– orbit ascending node-perihelion angle (degrees)
186.011820
Ω
– longitude of orbit ascending node (degrees)
185.267807
i
– orbit inclination to the ecliptic plane (degrees)
13.957125
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
170.664961
2.16511472
0.53203913
182.573709
186.853061
13.883793
1.01318896
3.185825
01/21/1858
209.541519
2.16587691
0.53119144
183.139281
186.637916
13.886191
1.01538164
3.187508
01/29/1887
244.756213
2.16745094
0.53206684
183.622922
186.382206
13.911441
1.01422216
3.190983
02/07/1916
280.737923
2.16646729
0.53171128
183.918971
186.155879
13.905988
1.01453219
3.188811
02/14/1945
321.473384
2.16052458
0.53108898
184.529266
185.925243
13.944969
1.01309380
3.175700
02/22/1974
9.081014
2.15983918
0.53158921
184.982152
185.698748
13.964933
1.01169197
3.174189
03/02/2003
55.390418
2.16355374
0.52986130
185.372363
185.465727
13.930386
1.01717034
3.182381
03/09/2032
99.539676
2.16449853
0.53031155
186.155958
185.192787
13.927264
1.01663996
3.184466
03/17/2061
141.130219
2.16394098
0.53263357
186.475002
184.993567
13.960624
1.01135336
3.183235
03/25/2090
179.654744
2.16421470
0.53192943
186.946112
184.763547
13.952343
1.01300520
3.183839
04/03/2119
223.705379
2.16004963
0.52998894
187.635846
184.521948
13.956098
1.01524722
3.174653
04/10/2148
274.226523
2.16008758
0.53119856
188.106354
184.278686
13.974430
1.01265216
3.174736
04/18/2177
325.682860
2.15948526
0.53014567
188.422236
184.047258
13.955754
1.01464350
3.173408
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