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Asteroid General Data
General information
| Preliminary designation | 2021 CW7
| | Group | Apollo
| | Absolute magnitude | 31.22
| | Approximate diameter (m) | 2
| | Approximate mass (kg) | 6.37·103
| | Number of observations | 32
| | Arc length (days) | 2
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Approaches
Date | Object | r, AU | r, km
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| 02/14/2021 04:19:12 PM | Earth | 0.000188 | 28 149
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Details...
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Orbit initial data
| Date of initial data | 03/31/2024
| | M – mean anomaly (degrees) | 93.862705
| | a – orbit major semiaxis (astronomical units) | 1.20421961
| | e – orbit eccentricity | 0.26977407
| | ω – orbit ascending node-perihelion angle (degrees) | 240.887880
| | Ω – longitude of orbit ascending node (degrees) | 325.930947
| | i – orbit inclination to the ecliptic plane (degrees) | 6.235596
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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 | 172.247875 | 1.19963875 | 0.28600573 | 236.372103 | 337.811761 | 0.969333 | 0.85653519 | 1.313942
| | 01/21/1858 | 213.150329 | 1.19835755 | 0.28569928 | 237.225127 | 336.422302 | 0.975086 | 0.85598766 | 1.311838
| | 01/29/1887 | 230.544046 | 1.20714898 | 0.28837153 | 237.233175 | 335.116496 | 1.071356 | 0.85904158 | 1.326300
| | 02/07/1916 | 189.013684 | 1.20720060 | 0.28842897 | 237.619828 | 334.817917 | 1.066877 | 0.85900897 | 1.326386
| | 02/14/1945 | 146.975015 | 1.20587661 | 0.28798543 | 239.536629 | 332.636609 | 1.088655 | 0.85860172 | 1.324204
| | 02/22/1974 | 119.613434 | 1.20603325 | 0.28804774 | 240.079414 | 332.242558 | 1.081335 | 0.85863810 | 1.324462
| | 03/02/2003 | 103.876359 | 1.20377538 | 0.28733421 | 243.082518 | 329.028350 | 1.124213 | 0.85788954 | 1.320744
| | 03/09/2032 | 97.378525 | 1.20392219 | 0.26953358 | 240.971226 | 325.873752 | 6.235171 | 0.87942474 | 1.320986
| | 03/17/2061 | 86.404323 | 1.20208240 | 0.26886564 | 241.560442 | 325.520635 | 6.239668 | 0.87888375 | 1.317959
| | 03/25/2090 | 94.048286 | 1.19960098 | 0.26814455 | 242.269610 | 325.216906 | 6.247180 | 0.87793451 | 1.313880
| | 04/03/2119 | 123.568075 | 1.19996021 | 0.26830975 | 242.601666 | 324.907853 | 6.248788 | 0.87799918 | 1.314471
| | 04/10/2148 | 232.266508 | 1.18432485 | 0.26398015 | 245.299915 | 324.547298 | 6.124161 | 0.87168661 | 1.288863
| | 04/18/2177 | 57.960737 | 1.18450562 | 0.26402585 | 245.619080 | 324.180613 | 6.131474 | 0.87176552 | 1.289158
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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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