Catalogue of the Solar System Small Bodies Orbital Evolution
Catalogue of the Solar System Small Bodies Orbital Evolution
Русский
English
Site
Asteroids catalogue
Comets catalogue
Information
Asteroid search
Summary information
Asteroids selection
Closest approaches
Approaches archive
Diagram 2D
Histogram
Impact probability
Potential hazardous
Asteroid information
General data
Initial data
Approaches
Asteroid orbit evolution
Tables
Graphs
3D animation
Calculation
Asteroid General Data
2021 ET
1
General information
Preliminary designation
2021 ET
1
Group
Apollo
Absolute magnitude
24.54
Approximate diameter (m)
33
Approximate mass (kg)
6.48·10
7
Number of observations
76
Arc length (days)
17
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
135.679897
a
– orbit major semiaxis (astronomical units)
2.46146100
e
– orbit eccentricity
0.59061400
ω
– orbit ascending node-perihelion angle (degrees)
150.414946
Ω
– longitude of orbit ascending node (degrees)
353.615980
i
– orbit inclination to the ecliptic plane (degrees)
8.424741
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
143.064429
2.54558419
0.53898589
144.019679
358.944857
7.714594
1.17355023
4.061457
01/21/1858
194.497659
2.54401069
0.54033370
143.882730
358.715605
7.722147
1.16939597
4.057691
01/29/1887
255.854462
2.53445954
0.54670176
144.441850
358.158240
7.780069
1.14886605
4.034862
02/07/1916
344.871827
2.50184503
0.56434210
147.063918
356.349145
8.031292
1.08994855
3.957229
02/14/1945
119.264690
2.47862052
0.57773943
149.141517
354.982928
8.244942
1.04662371
3.902255
02/22/1974
292.217310
2.46079226
0.58925714
150.329053
354.035885
8.393349
1.01075286
3.860229
03/02/2003
122.628010
2.45904567
0.59235512
150.417301
353.776192
8.420155
1.00241739
3.856120
03/09/2032
311.896127
2.46098686
0.59034104
150.403280
353.607456
8.422915
1.00816533
3.860687
03/17/2061
123.259077
2.48184594
0.57897797
150.656199
353.361114
8.369955
1.04491183
3.909875
03/25/2090
256.250672
2.50404244
0.56550885
151.435450
352.966395
8.340419
1.08798428
3.962444
04/03/2119
346.318467
2.53470062
0.54836034
152.070115
352.571823
8.274180
1.14477132
4.035437
04/10/2148
49.183059
2.54334996
0.54374686
152.115825
352.413283
8.245932
1.16041141
4.056111
04/18/2177
104.526869
2.54179242
0.54413166
151.967074
352.204628
8.250641
1.15872270
4.052385
Detailed table...
Graphs...
3D animation...
Calculation on the date...
Return to search
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