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 NB
General information
Preliminary designation
2021 NB
Group
Apollo
Absolute magnitude
26.89
Approximate diameter (m)
11
Approximate mass (kg)
2.52·10
6
Number of observations
48
Arc length (days)
5
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
110.673789
a
– orbit major semiaxis (astronomical units)
2.40650300
e
– orbit eccentricity
0.58773400
ω
– orbit ascending node-perihelion angle (degrees)
159.173376
Ω
– longitude of orbit ascending node (degrees)
148.671451
i
– orbit inclination to the ecliptic plane (degrees)
0.565834
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
275.349048
2.41763469
0.59049239
137.449633
168.400378
0.339848
0.99003981
3.759124
01/21/1858
179.344284
2.41294317
0.59277927
137.303279
168.398421
0.345438
0.98260048
3.748187
01/29/1887
73.083668
2.42739251
0.58348526
142.379413
163.979579
0.387943
1.01104475
3.781905
02/07/1916
323.480764
2.41624817
0.59228601
144.473364
162.388166
0.410923
0.98513818
3.755890
02/14/1945
229.912011
2.41814953
0.59036519
144.852955
161.854825
0.420478
0.99055824
3.760325
02/22/1974
122.955543
2.41729438
0.58597345
150.026422
157.696429
0.475440
1.00082406
3.758330
03/02/2003
31.374220
2.40954248
0.59350876
150.281217
157.467461
0.486794
0.97945791
3.740266
03/09/2032
303.270291
2.40914415
0.58452578
159.701293
148.328754
0.581775
1.00093729
3.739339
03/17/2061
220.387491
2.39940575
0.59141201
161.163299
147.469010
0.616863
0.98036838
3.716688
03/25/2090
148.775649
2.40602946
0.58681068
161.342965
147.265967
0.631565
0.99414568
3.732089
04/03/2119
61.809274
2.42153567
0.59167765
163.627555
146.114745
0.663704
0.98876714
3.768226
04/10/2148
323.468175
2.41915895
0.59340788
163.403104
146.110172
0.671942
0.98361097
3.762679
04/18/2177
209.392352
2.43113528
0.58574556
164.621279
145.471449
0.707746
1.00710858
3.790655
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