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Asteroid General Data
General information
| Preliminary designation | 2014 HB177
| | Group | Apollo
| | Absolute magnitude | 28.22
| | Approximate diameter (m) | 6
| | Approximate mass (kg) | 4.02·105
| | Number of observations | 36
| | Arc length (days) | 6
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Approaches
Date | Object | r, AU | r, km
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| 05/06/1929 05:45:36 AM | Earth | 0.000897 | 134 181
| | 05/05/2034 03:53:17 PM | Moon | 0.000159 | 23 738
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Details...
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Orbit initial data
| Date of initial data | 11/21/2025
| | M – mean anomaly (degrees) | 240.979184
| | a – orbit major semiaxis (astronomical units) | 1.11425316
| | e – orbit eccentricity | 0.19466160
| | ω – orbit ascending node-perihelion angle (degrees) | 251.625449
| | Ω – longitude of orbit ascending node (degrees) | 45.116251
| | i – orbit inclination to the ecliptic plane (degrees) | 3.474115
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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 | 56.488986 | 1.10989697 | 0.19970887 | 249.892881 | 50.799730 | 1.789592 | 0.88824070 | 1.169296
| | 01/21/1858 | 349.562646 | 1.10898377 | 0.19932395 | 250.457664 | 49.389528 | 1.829546 | 0.88793674 | 1.167854
| | 01/29/1887 | 275.961212 | 1.11017449 | 0.19963570 | 251.562282 | 48.927646 | 1.842553 | 0.88854403 | 1.169735
| | 02/07/1916 | 195.283617 | 1.11089029 | 0.19969233 | 251.880920 | 47.718232 | 1.877887 | 0.88905402 | 1.170866
| | 02/14/1945 | 66.591293 | 1.11950977 | 0.19597710 | 249.291131 | 46.721880 | 3.491444 | 0.90011148 | 1.184520
| | 02/22/1974 | 248.479790 | 1.11997917 | 0.19599455 | 249.874085 | 46.266063 | 3.506693 | 0.90046937 | 1.185265
| | 03/02/2003 | 233.645128 | 1.13665611 | 0.20095182 | 246.517915 | 45.536318 | 3.482120 | 0.90824300 | 1.211837
| | 03/09/2032 | 8.228335 | 1.11434155 | 0.19473098 | 251.674498 | 45.090878 | 3.473591 | 0.89734473 | 1.176327
| | 03/17/2061 | 334.909139 | 1.07490922 | 0.18825659 | 262.025881 | 44.653953 | 3.077030 | 0.87255047 | 1.114444
| | 03/25/2090 | 340.254460 | 1.07563285 | 0.18825470 | 262.356497 | 44.378430 | 3.079431 | 0.87313991 | 1.115570
| | 04/03/2119 | 347.234595 | 1.07533711 | 0.18818833 | 262.607268 | 44.134268 | 3.079199 | 0.87297122 | 1.115110
| | 04/10/2148 | 354.681873 | 1.07546395 | 0.18822087 | 262.926062 | 43.882290 | 3.078413 | 0.87303919 | 1.115307
| | 04/18/2177 | 358.913528 | 1.07560069 | 0.18825376 | 263.207518 | 43.620783 | 3.079593 | 0.87311482 | 1.115520
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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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