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Asteroid General Data
General information
| Preliminary designation | 2021 GW16
| | Group | Apollo
| | Absolute magnitude | 30.07
| | Approximate diameter (m) | 3
| | Approximate mass (kg) | 3.12·104
| | Number of observations | 13
| | Arc length (days) | 1
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Approaches
Date | Object | r, AU | r, km
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| 04/14/2021 12:57:36 AM | Moon | 0.000999 | 149 459
| | 04/14/2021 09:50:24 PM | Earth | 0.000196 | 29 385
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Details...
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Orbit initial data
| Date of initial data | 10/17/2024
| | M – mean anomaly (degrees) | 329.975979
| | a – orbit major semiaxis (astronomical units) | 1.53162935
| | e – orbit eccentricity | 0.46071413
| | ω – orbit ascending node-perihelion angle (degrees) | 115.979383
| | Ω – longitude of orbit ascending node (degrees) | 24.876594
| | i – orbit inclination to the ecliptic plane (degrees) | 6.331137
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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 | 188.561046 | 1.37119393 | 0.43426197 | 101.963662 | 27.084209 | 3.574441 | 0.77573655 | 1.605643
| | 01/21/1858 | 217.666733 | 1.37132690 | 0.43421807 | 102.424088 | 26.704209 | 3.534123 | 0.77587197 | 1.605876
| | 01/29/1887 | 239.712387 | 1.37184391 | 0.43434458 | 102.905600 | 26.429580 | 3.526891 | 0.77599094 | 1.606785
| | 02/07/1916 | 261.674113 | 1.37174949 | 0.43424714 | 103.201063 | 26.162644 | 3.524973 | 0.77607120 | 1.606619
| | 02/14/1945 | 269.725943 | 1.37390373 | 0.43474787 | 103.714389 | 25.791621 | 3.505638 | 0.77660201 | 1.610405
| | 02/22/1974 | 288.104541 | 1.37291132 | 0.43475500 | 104.007114 | 25.468285 | 3.502295 | 0.77603126 | 1.608660
| | 03/02/2003 | 301.166058 | 1.37364912 | 0.43495845 | 104.304277 | 25.244681 | 3.499991 | 0.77616883 | 1.609957
| | 03/09/2032 | 293.861635 | 1.53147281 | 0.46090937 | 116.026195 | 24.832031 | 6.331088 | 0.82560264 | 1.895241
| | 03/17/2061 | 45.382814 | 1.53221825 | 0.46082435 | 116.534997 | 24.465697 | 6.331189 | 0.82613478 | 1.896625
| | 03/25/2090 | 155.400575 | 1.53132134 | 0.46056477 | 116.872025 | 24.208383 | 6.336246 | 0.82604868 | 1.894960
| | 04/03/2119 | 273.438501 | 1.52630234 | 0.45936227 | 117.053243 | 23.852219 | 6.339128 | 0.82517663 | 1.885652
| | 04/10/2148 | 53.869567 | 1.52637274 | 0.45941062 | 117.413501 | 23.579426 | 6.343110 | 0.82514089 | 1.885782
| | 04/18/2177 | 193.241875 | 1.52650093 | 0.45955039 | 117.902170 | 23.232336 | 6.345089 | 0.82499683 | 1.886020
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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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