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Asteroid General Data
General information
| Preliminary designation | 2014 HB177
| | Group | Apollo
| | Absolute magnitude | 28.25
| | Approximate diameter (m) | 6
| | Approximate mass (kg) | 3.85·105
| | Number of observations | 36
| | Arc length (days) | 6
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Approaches
Date | Object | r, AU | r, km
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| 05/06/1974 07:12:00 AM | Moon | 0.004478 | 669 941
| | 05/07/1974 04:48:00 AM | Earth | 0.003894 | 582 599
| | 05/06/2014 07:12:00 AM | Moon | 0.006013 | 899 508
| | 05/05/2034 04:48:00 PM | Moon | 0.000158 | 23 668
| | 05/06/2034 07:12:00 AM | Earth | 0.001376 | 205 854
| | 05/09/2197 02:24:00 PM | Earth | 0.006843 | 1 023 713
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Details...
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Orbit initial data
| Date of initial data | 05/27/2017
| | M – mean anomaly (degrees) | 163.994951
| | a – orbit major semiaxis (astronomical units) | 1.114718
| | e – orbit eccentricity | 0.194825
| | ω – orbit ascending node-perihelion angle (degrees) | 251.589104
| | Ω – longitude of orbit ascending node (degrees) | 45.333721
| | i – orbit inclination to the ecliptic plane (degrees) | 3.465929
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Details...
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Orbital evolution
Date | M | a | e | ω | Ω | i | q | P
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| 01/05/1800 | 153.739544 | 1.11905673 | 0.19622152 | 49.293188 | 246.963014 | 3.411785 | 0.89947371 | 432.326977
| | 01/13/1829 | 337.562441 | 1.11906493 | 0.19624339 | 49.006768 | 247.016233 | 3.411540 | 0.89945583 | 432.331725
| | 01/21/1858 | 170.631834 | 1.11701058 | 0.19561570 | 48.312298 | 248.747128 | 3.449552 | 0.89850577 | 431.141779
| | 01/29/1887 | 16.840582 | 1.11700192 | 0.19530672 | 47.397219 | 249.880522 | 3.496914 | 0.89884393 | 431.136765
| | 02/07/1916 | 230.953839 | 1.11675278 | 0.19521777 | 47.104611 | 249.915867 | 3.498149 | 0.89874279 | 430.992529
| | 02/14/1945 | 63.633290 | 1.11955877 | 0.19600466 | 46.774957 | 249.387849 | 3.488026 | 0.90012003 | 432.617937
| | 02/22/1974 | 248.299264 | 1.11935575 | 0.19581906 | 46.266995 | 250.017242 | 3.507836 | 0.90016456 | 432.500267
| | 03/02/2003 | 233.647627 | 1.13665648 | 0.20095199 | 45.536331 | 246.517616 | 3.482110 | 0.90824310 | 442.565979
| | 03/09/2032 | 8.228310 | 1.11434152 | 0.19473097 | 45.090878 | 251.674545 | 3.473591 | 0.89734471 | 429.597403
| | 03/17/2061 | 334.751296 | 1.07491133 | 0.18825676 | 44.652996 | 262.019487 | 3.077067 | 0.87255201 | 406.998811
| | 03/25/2090 | 340.798764 | 1.07559730 | 0.18824798 | 44.383387 | 262.334617 | 3.078732 | 0.87311827 | 407.388469
| | 04/03/2119 | 346.086937 | 1.07541551 | 0.18819411 | 44.131835 | 262.571179 | 3.079381 | 0.87302864 | 407.285193
| | 04/10/2148 | 357.686351 | 1.07519692 | 0.18817648 | 43.885703 | 262.936730 | 3.077462 | 0.87287015 | 407.161022
| | 04/18/2177 | 341.886577 | 1.07803242 | 0.18862183 | 43.294980 | 264.292205 | 3.132118 | 0.87469198 | 408.772730
| | 04/27/2206 | 260.923480 | 1.08908970 | 0.19138979 | 42.715952 | 261.776664 | 2.959231 | 0.88064905 | 415.077942
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Detailed table...
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