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 RA
1
General information
Preliminary designation
2021 RA
1
Group
Apollo
Absolute magnitude
25.46
Approximate diameter (m)
21
Approximate mass (kg)
1.82·10
7
Number of observations
67
Arc length (days)
15
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
188.463755
a
– orbit major semiaxis (astronomical units)
2.15370000
e
– orbit eccentricity
0.53044600
ω
– orbit ascending node-perihelion angle (degrees)
337.216427
Ω
– longitude of orbit ascending node (degrees)
341.167396
i
– orbit inclination to the ecliptic plane (degrees)
10.029860
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
17.849350
2.15213393
0.53049219
332.837657
343.793891
9.734197
1.01044369
3.157218
01/21/1858
86.117733
2.15251086
0.53049271
333.668274
343.402654
9.781336
1.01061955
3.158047
01/29/1887
148.939576
2.15180189
0.53190196
334.372010
342.919059
9.848062
1.00725424
3.156487
02/07/1916
215.522490
2.15410665
0.52922628
334.807966
342.696121
9.850893
1.01409681
3.161560
02/14/1945
282.655207
2.15505627
0.53049420
335.639951
342.218877
9.907410
1.01181142
3.163651
02/22/1974
347.805810
2.15229010
0.53004108
335.940955
341.928207
9.934637
1.01148794
3.157562
03/02/2003
57.064344
2.15169561
0.53049075
336.677282
341.538615
9.984026
1.01024100
3.156253
03/09/2032
124.543427
2.15180710
0.53107556
337.288273
341.127508
10.035766
1.00903494
3.156499
03/17/2061
192.922372
2.15177676
0.52941476
337.879077
340.824972
10.054248
1.01259438
3.156432
03/25/2090
263.373948
2.14849497
0.52990311
338.629425
340.419626
10.129021
1.01000081
3.149214
04/03/2119
337.519726
2.15077584
0.52773247
338.886619
340.225934
10.116410
1.01574160
3.154230
04/10/2148
54.222482
2.15129087
0.52842328
339.775050
339.783312
10.167785
1.01449868
3.155363
04/18/2177
126.686914
2.14942389
0.52924424
340.037679
339.506532
10.186318
1.01185367
3.151256
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