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 ER
3
General information
Preliminary designation
2021 ER
3
Group
Apollo
Absolute magnitude
25.99
Approximate diameter (m)
17
Approximate mass (kg)
8.75·10
6
Number of observations
120
Arc length (days)
9
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
350.250787
a
– orbit major semiaxis (astronomical units)
1.94482900
e
– orbit eccentricity
0.55978900
ω
– orbit ascending node-perihelion angle (degrees)
313.499921
Ω
– longitude of orbit ascending node (degrees)
163.005320
i
– orbit inclination to the ecliptic plane (degrees)
2.701834
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
284.522759
1.93981619
0.55871394
307.498723
167.677891
2.627334
0.85601384
2.701727
01/21/1858
189.434439
1.94067789
0.55804852
308.589860
166.821299
2.652817
0.85768547
2.703528
01/29/1887
95.461611
1.93964723
0.55871701
309.219754
166.312158
2.669607
0.85593332
2.701374
02/07/1916
3.940767
1.93969876
0.55746733
310.125319
165.602787
2.695616
0.85838007
2.701482
02/14/1945
279.199619
1.93708866
0.55803621
310.735642
165.064512
2.714721
0.85612305
2.696031
02/22/1974
194.623241
1.93650621
0.55762203
311.754914
164.284594
2.731607
0.85666769
2.694815
03/02/2003
120.288942
1.93315491
0.55726823
312.320653
163.764870
2.751785
0.85586910
2.687823
03/09/2032
33.381971
1.94477538
0.55992281
313.497810
162.972988
2.702526
0.85585128
2.712094
03/17/2061
291.161860
1.94181567
0.55881590
314.303215
162.217303
2.722617
0.85669819
2.705905
03/25/2090
188.838037
1.94542632
0.55976668
315.143494
161.665189
2.735917
0.85644150
2.713456
04/03/2119
74.546262
1.94729736
0.55947673
315.936861
161.105372
2.758462
0.85782980
2.717372
04/10/2148
318.609615
1.94685599
0.55890971
316.747847
160.562138
2.780359
0.85873928
2.716448
04/18/2177
203.235036
1.94661975
0.55939161
317.795553
159.675509
2.805576
0.85769699
2.715953
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