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Asteroid General Data
General information
| Preliminary designation | 2018 WJ
| | Group | Apollo
| | Absolute magnitude | 27.68
| | Approximate diameter (m) | 8
| | Approximate mass (kg) | 8.47·105
| | Number of observations | 81
| | Arc length (days) | 3
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Approaches
Date | Object | r, AU | r, km
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| 11/19/2018 11:16:48 PM | Earth | 0.000795 | 118 989
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 68.489668
| | a – orbit major semiaxis (astronomical units) | 2.25490944
| | e – orbit eccentricity | 0.70210294
| | ω – orbit ascending node-perihelion angle (degrees) | 76.643740
| | Ω – longitude of orbit ascending node (degrees) | 56.323728
| | i – orbit inclination to the ecliptic plane (degrees) | 1.709000
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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 | 323.809101 | 2.37044361 | 0.70824340 | 58.631516 | 70.113068 | 1.981264 | 0.69159258 | 3.649598
| | 01/21/1858 | 313.960667 | 2.36246816 | 0.71203771 | 62.554312 | 66.721200 | 1.919161 | 0.68030175 | 3.631195
| | 01/29/1887 | 301.340428 | 2.36277208 | 0.71141531 | 64.541471 | 65.311790 | 1.967176 | 0.68185985 | 3.631896
| | 02/07/1916 | 301.170895 | 2.37601045 | 0.70748085 | 65.781037 | 64.116947 | 1.948362 | 0.69502856 | 3.662462
| | 02/14/1945 | 289.783524 | 2.36007361 | 0.71528435 | 68.351790 | 61.920719 | 1.920503 | 0.67194988 | 3.625676
| | 02/22/1974 | 262.882879 | 2.37535296 | 0.71380571 | 71.880369 | 58.739693 | 1.879982 | 0.67981245 | 3.660942
| | 03/02/2003 | 247.668438 | 2.37176638 | 0.71519093 | 72.415695 | 58.222832 | 1.875798 | 0.67550059 | 3.652653
| | 03/09/2032 | 320.551777 | 2.25116715 | 0.70172459 | 76.924594 | 55.964253 | 1.729839 | 0.67146781 | 3.377631
| | 03/17/2061 | 169.934114 | 2.25591154 | 0.70293242 | 77.668708 | 55.398362 | 1.711733 | 0.67015818 | 3.388314
| | 03/25/2090 | 33.203158 | 2.23901451 | 0.70279293 | 78.647845 | 54.773550 | 1.696110 | 0.66545095 | 3.350318
| | 04/03/2119 | 277.908849 | 2.23468333 | 0.70418014 | 79.831454 | 53.708829 | 1.686853 | 0.66106372 | 3.340601
| | 04/10/2148 | 151.167934 | 2.24095338 | 0.70048386 | 80.615791 | 53.090058 | 1.670598 | 0.67120171 | 3.354670
| | 04/18/2177 | 12.074516 | 2.24770726 | 0.69657203 | 84.769235 | 49.657551 | 1.651295 | 0.68201725 | 3.369847
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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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