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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 | 149 256
| | 04/14/2021 09:50:24 PM | Earth | 0.000196 | 29 295
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Details...
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Orbit initial data
| Date of initial data | 03/31/2024
| | M – mean anomaly (degrees) | 225.956541
| | a – orbit major semiaxis (astronomical units) | 1.53145538
| | e – orbit eccentricity | 0.46075632
| | ω – orbit ascending node-perihelion angle (degrees) | 115.995855
| | Ω – longitude of orbit ascending node (degrees) | 24.876628
| | i – orbit inclination to the ecliptic plane (degrees) | 6.331709
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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 | 179.929615 | 1.37414830 | 0.43534030 | 101.788775 | 27.094486 | 3.522870 | 0.77592616 | 1.610835
| | 01/21/1858 | 186.797734 | 1.37280536 | 0.43495102 | 102.197701 | 26.797590 | 3.518449 | 0.77570227 | 1.608474
| | 01/29/1887 | 205.731365 | 1.37174956 | 0.43458024 | 102.415702 | 26.558773 | 3.518730 | 0.77561431 | 1.606619
| | 02/07/1916 | 235.140583 | 1.37121734 | 0.43450360 | 103.032063 | 26.105390 | 3.499048 | 0.77541847 | 1.605684
| | 02/14/1945 | 265.888861 | 1.37003845 | 0.43417948 | 103.276402 | 25.858719 | 3.498325 | 0.77519586 | 1.603614
| | 02/22/1974 | 288.149604 | 1.37223415 | 0.43480149 | 103.855961 | 25.544308 | 3.490425 | 0.77558469 | 1.607470
| | 03/02/2003 | 303.248310 | 1.37377141 | 0.43497714 | 104.305053 | 25.294243 | 3.486834 | 0.77621225 | 1.610172
| | 03/09/2032 | 293.861562 | 1.53147286 | 0.46090937 | 116.026191 | 24.832031 | 6.331088 | 0.82560268 | 1.895242
| | 03/17/2061 | 45.382528 | 1.53221821 | 0.46082432 | 116.534982 | 24.465699 | 6.331190 | 0.82613479 | 1.896625
| | 03/25/2090 | 155.400658 | 1.53132125 | 0.46056473 | 116.872010 | 24.208384 | 6.336246 | 0.82604869 | 1.894960
| | 04/03/2119 | 273.431176 | 1.52630803 | 0.45936348 | 117.053567 | 23.852215 | 6.339140 | 0.82517787 | 1.885662
| | 04/10/2148 | 53.840739 | 1.52637433 | 0.45941079 | 117.413581 | 23.579540 | 6.343130 | 0.82514149 | 1.885785
| | 04/18/2177 | 193.187204 | 1.52650766 | 0.45955232 | 117.901562 | 23.232775 | 6.345155 | 0.82499752 | 1.886032
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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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