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Asteroid General Data
General information
| Preliminary designation | 2021 AS2
| | Group | Apollo
| | Absolute magnitude | 29.45
| | Approximate diameter (m) | 3
| | Approximate mass (kg) | 7.34·104
| | Number of observations | 20
| | Arc length (days) | 1
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Approaches
Date | Object | r, AU | r, km
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| 01/09/2021 09:36:00 AM | Earth | 0.000718 | 107 439
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 231.018685
| | a – orbit major semiaxis (astronomical units) | 2.17774858
| | e – orbit eccentricity | 0.77641033
| | ω – orbit ascending node-perihelion angle (degrees) | 97.301610
| | Ω – longitude of orbit ascending node (degrees) | 109.638930
| | i – orbit inclination to the ecliptic plane (degrees) | 0.700978
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Details...
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Orbital evolution
Date | M | a | e | ω | Ω | i | q | P
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| 01/13/1829 | 6.992531 | 2.27066791 | 0.78335869 | 117.332860 | 86.067338 | 0.912107 | 0.49192047 | 3.421614
| | 01/21/1858 | 161.571659 | 2.28411584 | 0.78007009 | 115.647058 | 88.058219 | 0.907846 | 0.50234540 | 3.452056
| | 01/29/1887 | 317.302937 | 2.27614310 | 0.78319957 | 114.163062 | 89.655833 | 0.895692 | 0.49346881 | 3.433997
| | 02/07/1916 | 134.065841 | 2.26820091 | 0.78887184 | 110.467682 | 93.662042 | 0.870145 | 0.47888108 | 3.416040
| | 02/14/1945 | 317.046704 | 2.26580766 | 0.78764090 | 102.384261 | 102.448036 | 0.831236 | 0.48116487 | 3.410634
| | 02/22/1974 | 129.208399 | 2.27689994 | 0.78303794 | 98.811794 | 106.337550 | 0.828480 | 0.49400091 | 3.435710
| | 03/02/2003 | 283.495475 | 2.28014096 | 0.78188907 | 97.105523 | 108.284809 | 0.826064 | 0.49732367 | 3.443049
| | 03/09/2032 | 154.830740 | 2.17791222 | 0.77633869 | 97.184562 | 109.782855 | 0.700838 | 0.48711470 | 3.214113
| | 03/17/2061 | 146.069908 | 2.18126642 | 0.77439851 | 93.784760 | 113.432649 | 0.699800 | 0.49209696 | 3.221541
| | 03/25/2090 | 135.655915 | 2.18957450 | 0.76970582 | 91.000132 | 116.467169 | 0.704725 | 0.50424625 | 3.239964
| | 04/03/2119 | 120.939150 | 2.19670669 | 0.76875721 | 87.562440 | 120.146469 | 0.711672 | 0.50797258 | 3.255808
| | 04/10/2148 | 92.207461 | 2.19913087 | 0.76747148 | 84.883283 | 123.033200 | 0.717007 | 0.51136065 | 3.261198
| | 04/18/2177 | 63.631527 | 2.19156903 | 0.77139187 | 83.029454 | 125.044525 | 0.737407 | 0.50101049 | 3.244392
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Detailed table...
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Graphs...
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3D animation...
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Calculation on the date...
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