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
2011 UD
21
General information
Preliminary designation
2011 UD
21
Group
Aten
Absolute magnitude
28.48
Approximate diameter (m)
5
Approximate mass (kg)
2.80·10
5
Number of observations
88
Arc length (days)
37
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
193.923244
a
– orbit major semiaxis (astronomical units)
0.97865800
e
– orbit eccentricity
0.03038500
ω
– orbit ascending node-perihelion angle (degrees)
209.939806
Ω
– longitude of orbit ascending node (degrees)
22.342976
i
– orbit inclination to the ecliptic plane (degrees)
1.060952
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
293.693038
1.05765939
0.04232813
156.009682
78.316160
1.928887
1.01289065
1.087726
01/21/1858
139.897906
1.06261132
0.04579035
159.116832
76.780588
1.912715
1.01395398
1.095374
01/29/1887
335.981399
1.05763694
0.04208583
160.703322
74.996213
1.932145
1.01312541
1.087691
02/07/1916
126.234828
1.09558329
0.07135128
185.385283
61.740714
1.268794
1.01741202
1.146750
02/14/1945
230.369837
1.09386139
0.07025149
185.729952
61.294752
1.269078
1.01701600
1.144047
02/22/1974
82.338449
1.08531379
0.06417464
188.576351
59.803961
1.285883
1.01566418
1.130664
03/02/2003
277.968462
1.02243821
0.03132429
272.904272
47.093178
0.627895
0.99041106
1.033847
03/09/2032
171.914218
0.97859213
0.03037733
209.814671
22.344560
1.060299
0.94886511
0.968062
03/17/2061
236.327059
0.97056809
0.03201792
232.350235
8.772472
1.155346
0.93949251
0.956180
03/25/2090
68.057673
0.96614856
0.03412129
238.131706
5.721088
1.168383
0.93318232
0.949656
04/03/2119
253.465446
0.96758637
0.03330048
238.643612
5.109705
1.160123
0.93536528
0.951777
04/10/2148
291.568703
0.97640441
0.02860803
248.430387
2.371724
1.107570
0.94847140
0.964818
04/18/2177
312.326338
0.97734280
0.02789387
262.514217
358.393917
1.102712
0.95008093
0.966209
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