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
2017 AB
21
General information
Preliminary designation
2017 AB
21
Group
Apollo
Absolute magnitude
20.98
Approximate diameter (m)
170
Approximate mass (kg)
8.87·10
9
Number of observations
7
Arc length (days)
1
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
177.927461
a
– orbit major semiaxis (astronomical units)
1.68589100
e
– orbit eccentricity
0.45703700
ω
– orbit ascending node-perihelion angle (degrees)
316.431807
Ω
– longitude of orbit ascending node (degrees)
29.448645
i
– orbit inclination to the ecliptic plane (degrees)
9.910005
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
136.608070
1.68713503
0.45756675
313.936480
31.217127
9.823230
0.91515815
2.191419
01/21/1858
223.285844
1.68675165
0.45733092
314.251997
30.978649
9.838956
0.91534797
2.190672
01/29/1887
313.406680
1.68619521
0.45710510
314.674025
30.697739
9.853035
0.91542677
2.189588
02/07/1916
44.097014
1.68576330
0.45717920
314.999370
30.438455
9.866186
0.91506738
2.188747
02/14/1945
135.145276
1.68760626
0.45755677
315.411791
30.183603
9.873097
0.91543058
2.192337
02/22/1974
222.486801
1.68688127
0.45721622
315.788248
29.910023
9.885252
0.91561180
2.190924
03/02/2003
311.357354
1.68619686
0.45723068
316.099013
29.664837
9.900079
0.91521592
2.189591
03/09/2032
43.118942
1.68677479
0.45688313
316.509374
29.413894
9.910523
0.91611585
2.190717
03/17/2061
133.236617
1.68621413
0.45686397
316.870092
29.157661
9.923234
0.91584364
2.189625
03/25/2090
220.315851
1.68777836
0.45712637
317.307857
28.895592
9.936241
0.91625036
2.192672
04/03/2119
305.374714
1.68758804
0.45681264
317.657658
28.658932
9.945405
0.91667650
2.192301
04/10/2148
29.312572
1.68749651
0.45688035
318.063765
28.381240
9.963017
0.91651252
2.192123
04/18/2177
116.099999
1.68697651
0.45678987
318.390982
28.132237
9.971448
0.91638273
2.191110
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