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Asteroid General Data
General information
| Preliminary designation | 2015 TN21
| | Group | Apollo
| | Absolute magnitude | 27.10
| | Approximate diameter (m) | 10
| | Approximate mass (kg) | 1.89·106
| | Number of observations | 50
| | Arc length (days) | 2
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Approaches
Date | Object | r, AU | r, km
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| 10/08/1886 03:07:12 PM | Earth | 0.000977 | 146 214
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Details...
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Orbit initial data
| Date of initial data | 03/31/2024
| | M – mean anomaly (degrees) | 119.560109
| | a – orbit major semiaxis (astronomical units) | 1.34566352
| | e – orbit eccentricity | 0.46225840
| | ω – orbit ascending node-perihelion angle (degrees) | 86.464453
| | Ω – longitude of orbit ascending node (degrees) | 13.557513
| | i – orbit inclination to the ecliptic plane (degrees) | 2.225791
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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 | 221.831999 | 1.31627360 | 0.45624561 | 83.744716 | 17.420467 | 2.791744 | 0.71572955 | 1.510149
| | 01/21/1858 | 303.655996 | 1.31453022 | 0.45537771 | 84.942184 | 16.304505 | 2.777369 | 0.71592245 | 1.507150
| | 01/29/1887 | 36.763608 | 1.35137186 | 0.46228263 | 82.942807 | 15.857163 | 2.303379 | 0.72665612 | 1.570952
| | 02/07/1916 | 214.190392 | 1.35087736 | 0.46248702 | 83.357175 | 15.541471 | 2.300962 | 0.72611411 | 1.570090
| | 02/14/1945 | 33.494504 | 1.35210083 | 0.46280245 | 84.189573 | 14.916764 | 2.289304 | 0.72634525 | 1.572223
| | 02/22/1974 | 183.976057 | 1.35432225 | 0.46374116 | 84.800614 | 14.492232 | 2.283882 | 0.72626728 | 1.576100
| | 03/02/2003 | 328.035190 | 1.35546683 | 0.46434776 | 85.370210 | 14.085795 | 2.283491 | 0.72605884 | 1.578098
| | 03/09/2032 | 151.125842 | 1.34528327 | 0.46231486 | 86.547084 | 13.494849 | 2.223941 | 0.72333883 | 1.560347
| | 03/17/2061 | 355.556070 | 1.34640810 | 0.46276229 | 87.043677 | 13.223648 | 2.217586 | 0.72334121 | 1.562305
| | 03/25/2090 | 213.494270 | 1.34361404 | 0.46212041 | 87.392065 | 12.854722 | 2.218896 | 0.72270257 | 1.557444
| | 04/03/2119 | 81.903788 | 1.34332048 | 0.46162430 | 87.995843 | 12.443218 | 2.212839 | 0.72321110 | 1.556934
| | 04/10/2148 | 287.449404 | 1.34965470 | 0.46346808 | 88.821543 | 11.735817 | 2.197084 | 0.72413282 | 1.567959
| | 04/18/2177 | 110.809702 | 1.34852261 | 0.46275332 | 89.805514 | 10.906372 | 2.183577 | 0.72448930 | 1.565986
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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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