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Asteroid General Data
General information
| Preliminary designation | 2021 GW4
| | Group | Apollo
| | Absolute magnitude | 29.43
| | Approximate diameter (m) | 4
| | Approximate mass (kg) | 7.55·104
| | Number of observations | 40
| | Arc length (days) | 4
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Approaches
Date | Object | r, AU | r, km
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| 04/12/2021 12:57:36 AM | Earth | 0.000175 | 26 191
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 23.466176
| | a – orbit major semiaxis (astronomical units) | 1.40162871
| | e – orbit eccentricity | 0.30317860
| | ω – orbit ascending node-perihelion angle (degrees) | 207.049438
| | Ω – longitude of orbit ascending node (degrees) | 22.542306
| | i – orbit inclination to the ecliptic plane (degrees) | 5.073390
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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 | 275.163462 | 1.53734579 | 0.36242943 | 15.766028 | 210.227577 | 0.708828 | 0.98016644 | 1.906154
| | 01/21/1858 | 350.649624 | 1.54218119 | 0.36444651 | 18.604975 | 207.795224 | 0.694946 | 0.98013864 | 1.915154
| | 01/29/1887 | 45.664050 | 1.54201066 | 0.36404018 | 19.253268 | 206.983564 | 0.692040 | 0.98065682 | 1.914836
| | 02/07/1916 | 115.589461 | 1.53779746 | 0.36245777 | 19.879756 | 206.688187 | 0.700579 | 0.98041083 | 1.906994
| | 02/14/1945 | 191.507869 | 1.54048830 | 0.36344354 | 20.971119 | 205.879123 | 0.700989 | 0.98060778 | 1.912001
| | 02/22/1974 | 256.637309 | 1.53987866 | 0.36322775 | 21.535684 | 205.465401 | 0.705240 | 0.98055200 | 1.910867
| | 03/02/2003 | 72.623549 | 1.51071701 | 0.35309330 | 25.563905 | 202.834510 | 0.765786 | 0.97729295 | 1.856843
| | 03/09/2032 | 191.064862 | 1.40110908 | 0.30305749 | 207.074124 | 22.510681 | 5.073734 | 0.97649248 | 1.658473
| | 03/17/2061 | 11.763751 | 1.40085027 | 0.30300831 | 207.349433 | 22.343700 | 5.066630 | 0.97638100 | 1.658014
| | 03/25/2090 | 188.051394 | 1.40368526 | 0.30419273 | 207.842544 | 21.827061 | 5.037707 | 0.97669441 | 1.663050
| | 04/03/2119 | 313.448812 | 1.41084766 | 0.30753736 | 208.051079 | 21.236360 | 4.964804 | 0.97695929 | 1.675795
| | 04/10/2148 | 66.979265 | 1.41073532 | 0.30733936 | 208.275597 | 21.074700 | 4.960206 | 0.97716084 | 1.675594
| | 04/18/2177 | 178.282362 | 1.41312563 | 0.30848684 | 208.636644 | 20.634635 | 4.917500 | 0.97719497 | 1.679855
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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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