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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 | 149 296
| | 04/14/2021 09:50:24 PM | Earth | 0.000196 | 29 312
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Details...
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Orbit initial data
| Date of initial data | 07/09/2024
| | M – mean anomaly (degrees) | 277.971040
| | a – orbit major semiaxis (astronomical units) | 1.53153359
| | e – orbit eccentricity | 0.46074200
| | ω – orbit ascending node-perihelion angle (degrees) | 115.988360
| | Ω – longitude of orbit ascending node (degrees) | 24.877207
| | i – orbit inclination to the ecliptic plane (degrees) | 6.331582
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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 | 190.328288 | 1.34789610 | 0.43022312 | 99.751070 | 27.361634 | 3.373349 | 0.76800003 | 1.564895
| | 01/21/1858 | 29.498983 | 1.34710922 | 0.42973978 | 100.166251 | 27.068979 | 3.369935 | 0.76820281 | 1.563525
| | 01/29/1887 | 236.797367 | 1.34513629 | 0.42948128 | 100.556002 | 26.728454 | 3.358641 | 0.76742544 | 1.560091
| | 02/07/1916 | 90.567158 | 1.34652962 | 0.42967736 | 101.105967 | 26.372523 | 3.349214 | 0.76795632 | 1.562516
| | 02/14/1945 | 265.523795 | 1.36868983 | 0.43375231 | 103.263418 | 25.861438 | 3.501731 | 0.77501745 | 1.601246
| | 02/22/1974 | 289.428927 | 1.37260598 | 0.43482203 | 103.910437 | 25.524162 | 3.491857 | 0.77576666 | 1.608124
| | 03/02/2003 | 302.845631 | 1.37375869 | 0.43497742 | 104.311946 | 25.276934 | 3.488677 | 0.77620469 | 1.610150
| | 03/09/2032 | 293.861579 | 1.53147285 | 0.46090937 | 116.026191 | 24.832031 | 6.331087 | 0.82560267 | 1.895242
| | 03/17/2061 | 45.382591 | 1.53221822 | 0.46082433 | 116.534985 | 24.465698 | 6.331189 | 0.82613479 | 1.896625
| | 03/25/2090 | 155.400640 | 1.53132127 | 0.46056474 | 116.872013 | 24.208384 | 6.336245 | 0.82604868 | 1.894960
| | 04/03/2119 | 273.432785 | 1.52630678 | 0.45936321 | 117.053495 | 23.852216 | 6.339136 | 0.82517759 | 1.885660
| | 04/10/2148 | 53.847058 | 1.52637398 | 0.45941076 | 117.413562 | 23.579515 | 6.343125 | 0.82514136 | 1.885784
| | 04/18/2177 | 193.199197 | 1.52650618 | 0.45955190 | 117.901694 | 23.232678 | 6.345140 | 0.82499736 | 1.886029
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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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