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 DR
2
General information
Preliminary designation
2021 DR
2
Group
Amor
Absolute magnitude
19.99
Approximate diameter (m)
270
Approximate mass (kg)
3.48·10
10
Number of observations
65
Arc length (days)
2752
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
77.404938
a
– orbit major semiaxis (astronomical units)
2.58185500
e
– orbit eccentricity
0.51681600
ω
– orbit ascending node-perihelion angle (degrees)
247.306184
Ω
– longitude of orbit ascending node (degrees)
340.807037
i
– orbit inclination to the ecliptic plane (degrees)
26.438188
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
282.852486
2.59096684
0.50327101
244.204642
345.246628
27.147420
1.28700835
4.170551
01/21/1858
269.781171
2.58538275
0.50643387
243.973412
344.999473
27.140935
1.27605737
4.157075
01/29/1887
265.178169
2.58387613
0.51091769
245.332420
343.796738
26.889911
1.26372812
4.153442
02/07/1916
253.913631
2.59047035
0.50675741
245.606580
343.297391
26.815766
1.27773031
4.169352
02/14/1945
242.818316
2.58212426
0.51245913
245.554322
342.959932
26.794475
1.25889112
4.149219
02/22/1974
238.014186
2.58622056
0.51313550
247.069403
341.655378
26.529888
1.25913898
4.159096
03/02/2003
224.832196
2.58986264
0.51060805
247.028894
341.305474
26.494612
1.26745794
4.167885
03/09/2032
216.522584
2.58188386
0.51713627
247.370475
340.762241
26.425091
1.24669808
4.148639
03/17/2061
209.543829
2.58982561
0.51440254
248.800312
339.437932
26.174751
1.25761273
4.167795
03/25/2090
195.513801
2.59063906
0.51436737
248.627574
339.214955
26.174286
1.25809887
4.169759
04/03/2119
189.905287
2.58536035
0.52100776
249.736658
338.086781
25.941138
1.23836754
4.157021
04/10/2148
180.144991
2.59210169
0.51665115
250.431142
337.239090
25.880690
1.25288938
4.173291
04/18/2177
168.529019
2.58418571
0.51982020
250.337719
336.990249
25.855027
1.24087378
4.154188
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