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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 | 28 134
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 330.629862
| | a – orbit major semiaxis (astronomical units) | 1.20398904
| | e – orbit eccentricity | 0.26949534
| | ω – orbit ascending node-perihelion angle (degrees) | 240.927482
| | Ω – longitude of orbit ascending node (degrees) | 325.897300
| | i – orbit inclination to the ecliptic plane (degrees) | 6.235748
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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 | 204.265262 | 1.18523534 | 0.28241042 | 238.222813 | 334.924075 | 1.082763 | 0.85051253 | 1.290350
| | 01/21/1858 | 20.465874 | 1.18547695 | 0.28254745 | 239.043681 | 334.284651 | 1.078024 | 0.85052346 | 1.290744
| | 01/29/1887 | 181.544306 | 1.18801082 | 0.28292125 | 240.749654 | 332.789256 | 1.093920 | 0.85189731 | 1.294885
| | 02/07/1916 | 338.224818 | 1.18602713 | 0.28243209 | 241.506353 | 332.295923 | 1.093564 | 0.85105500 | 1.291643
| | 02/14/1945 | 151.895801 | 1.18559234 | 0.28210874 | 242.196120 | 331.578539 | 1.091260 | 0.85112637 | 1.290933
| | 02/22/1974 | 320.002651 | 1.18704413 | 0.28251050 | 246.052134 | 327.884352 | 1.154766 | 0.85169170 | 1.293305
| | 03/02/2003 | 87.756286 | 1.20056489 | 0.28642732 | 244.955245 | 327.031117 | 1.171539 | 0.85669031 | 1.315464
| | 03/09/2032 | 97.378574 | 1.20392216 | 0.26953357 | 240.971240 | 325.873751 | 6.235171 | 0.87942473 | 1.320986
| | 03/17/2061 | 86.404161 | 1.20208290 | 0.26886582 | 241.560384 | 325.520640 | 6.239666 | 0.87888390 | 1.317960
| | 03/25/2090 | 94.056327 | 1.19958804 | 0.26814019 | 242.271312 | 325.216877 | 6.247200 | 0.87793027 | 1.313859
| | 04/03/2119 | 123.717688 | 1.19995104 | 0.26830712 | 242.600810 | 324.906967 | 6.248791 | 0.87799563 | 1.314456
| | 04/10/2148 | 198.472559 | 1.18781215 | 0.26427415 | 244.684257 | 324.556552 | 6.240286 | 0.87390410 | 1.294560
| | 04/18/2177 | 335.257933 | 1.19251386 | 0.26618225 | 244.315432 | 324.249727 | 6.201487 | 0.87508784 | 1.302254
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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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