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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 | 0.000998 | 149 240
| | 04/14/2021 09:50:24 PM | Earth | 0.000196 | 29 286
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Details...
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Orbit initial data
| Date of initial data | 11/21/2025
| | M – mean anomaly (degrees) | 177.942967
| | a – orbit major semiaxis (astronomical units) | 1.53163911
| | e – orbit eccentricity | 0.46078202
| | ω – orbit ascending node-perihelion angle (degrees) | 115.996604
| | Ω – longitude of orbit ascending node (degrees) | 24.866746
| | i – orbit inclination to the ecliptic plane (degrees) | 6.330953
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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 | 180.096266 | 1.37430152 | 0.43547237 | 101.626172 | 27.146801 | 3.526820 | 0.77583118 | 1.611104
| | 01/21/1858 | 186.550889 | 1.37263507 | 0.43500426 | 102.072125 | 26.823554 | 3.520258 | 0.77553298 | 1.608175
| | 01/29/1887 | 205.945372 | 1.37191979 | 0.43471646 | 102.304900 | 26.587878 | 3.519851 | 0.77552367 | 1.606918
| | 02/07/1916 | 234.574905 | 1.37115286 | 0.43457113 | 102.946528 | 26.120307 | 3.498479 | 0.77528941 | 1.605571
| | 02/14/1945 | 266.057815 | 1.36990251 | 0.43422828 | 103.194947 | 25.870049 | 3.497823 | 0.77505210 | 1.603375
| | 02/22/1974 | 287.282383 | 1.37203913 | 0.43477507 | 103.833606 | 25.550309 | 3.489519 | 0.77551072 | 1.607128
| | 03/02/2003 | 303.351400 | 1.37377535 | 0.43497837 | 104.301766 | 25.299836 | 3.485807 | 0.77621279 | 1.610179
| | 03/09/2032 | 293.861567 | 1.53147286 | 0.46090936 | 116.026200 | 24.832031 | 6.331088 | 0.82560268 | 1.895242
| | 03/17/2061 | 45.382544 | 1.53221821 | 0.46082432 | 116.534992 | 24.465699 | 6.331190 | 0.82613480 | 1.896625
| | 03/25/2090 | 155.400646 | 1.53132125 | 0.46056473 | 116.872020 | 24.208384 | 6.336246 | 0.82604869 | 1.894960
| | 04/03/2119 | 273.431697 | 1.52630762 | 0.45936339 | 117.053552 | 23.852216 | 6.339139 | 0.82517778 | 1.885661
| | 04/10/2148 | 53.842796 | 1.52637421 | 0.45941078 | 117.413583 | 23.579532 | 6.343129 | 0.82514145 | 1.885785
| | 04/18/2177 | 193.191112 | 1.52650718 | 0.45955218 | 117.901613 | 23.232744 | 6.345151 | 0.82499747 | 1.886031
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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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