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Asteroid General Data
General information
| Preliminary designation | 2017 HJ
| | Group | Apollo
| | Absolute magnitude | 27.46
| | Approximate diameter (m) | 9
| | Approximate mass (kg) | 1.15·106
| | Number of observations | 65
| | Arc length (days) | 8
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Approaches
Date | Object | r, AU | r, km
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| 04/15/1957 10:04:48 PM | Earth | 0.000733 | 109 689
| | 04/16/2017 05:45:36 AM | Earth | 0.000908 | 135 810
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Details...
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Orbit initial data
| Date of initial data | 03/31/2024
| | M – mean anomaly (degrees) | 299.998571
| | a – orbit major semiaxis (astronomical units) | 1.29342518
| | e – orbit eccentricity | 0.50553121
| | ω – orbit ascending node-perihelion angle (degrees) | 83.489960
| | Ω – longitude of orbit ascending node (degrees) | 28.074822
| | i – orbit inclination to the ecliptic plane (degrees) | 1.207096
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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 | 299.280256 | 1.25349904 | 0.50197408 | 267.999956 | 199.964159 | 0.261016 | 0.62427501 | 1.403417
| | 01/21/1858 | 209.658534 | 1.24775122 | 0.50128223 | 269.776398 | 198.522506 | 0.279745 | 0.62227570 | 1.393775
| | 01/29/1887 | 123.689076 | 1.25787093 | 0.50214917 | 272.301978 | 196.783368 | 0.249123 | 0.62623208 | 1.410765
| | 02/07/1916 | 329.138746 | 1.25825575 | 0.50210662 | 269.743729 | 199.298778 | 0.285558 | 0.62647721 | 1.411413
| | 02/14/1945 | 174.517944 | 1.25768811 | 0.50178908 | 269.485410 | 199.531452 | 0.302078 | 0.62659395 | 1.410458
| | 02/22/1974 | 299.871806 | 1.27373334 | 0.50340370 | 80.623188 | 29.665398 | 0.610233 | 0.63253126 | 1.437535
| | 03/02/2003 | 66.923775 | 1.26527989 | 0.50257885 | 79.981148 | 29.610147 | 0.622133 | 0.62937698 | 1.423248
| | 03/09/2032 | 83.211409 | 1.29205891 | 0.50530312 | 83.710631 | 27.873818 | 1.199098 | 0.63917751 | 1.468670
| | 03/17/2061 | 356.013020 | 1.29223254 | 0.50526944 | 83.847196 | 27.686379 | 1.196125 | 0.63930692 | 1.468966
| | 03/25/2090 | 265.270471 | 1.29347677 | 0.50570478 | 83.926029 | 27.718002 | 1.179301 | 0.63935938 | 1.471088
| | 04/03/2119 | 165.626622 | 1.29382853 | 0.50563808 | 84.653926 | 27.011385 | 1.156544 | 0.63961956 | 1.471688
| | 04/10/2148 | 35.196269 | 1.29892864 | 0.50609451 | 86.094331 | 25.233903 | 1.314356 | 0.64154799 | 1.480398
| | 04/18/2177 | 261.266920 | 1.29733854 | 0.50591953 | 85.686538 | 25.575599 | 1.293757 | 0.64098963 | 1.477681
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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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