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Asteroid General Data
General information
| Preliminary designation | 2018 SD2
| | Group | Aten
| | Absolute magnitude | 28.39
| | Approximate diameter (m) | 6
| | Approximate mass (kg) | 3.18·105
| | Number of observations | 18
| | Arc length (days) | 17
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Approaches
Date | Object | r, AU | r, km
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| 09/25/2018 06:00:00 AM | Earth | 0.000588 | 87 929
| | 09/21/2081 08:24:00 PM | Moon | 0.000461 | 68 890
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Details...
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Orbit initial data
| Date of initial data | 03/31/2024
| | M – mean anomaly (degrees) | 283.038253
| | a – orbit major semiaxis (astronomical units) | 0.93024377
| | e – orbit eccentricity | 0.11130972
| | ω – orbit ascending node-perihelion angle (degrees) | 138.189524
| | Ω – longitude of orbit ascending node (degrees) | 1.782923
| | i – orbit inclination to the ecliptic plane (degrees) | 3.675340
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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 | 306.531122 | 0.87586115 | 0.16073464 | 193.405285 | 315.064817 | 2.337658 | 0.73507992 | 0.819697
| | 01/21/1858 | 90.204999 | 0.87281722 | 0.16775343 | 194.906628 | 311.967633 | 2.055125 | 0.72639914 | 0.815428
| | 01/29/1887 | 156.080896 | 0.90769861 | 0.13984825 | 265.903004 | 254.400177 | 0.093967 | 0.78075855 | 0.864795
| | 02/07/1916 | 5.710573 | 0.91605194 | 0.13486155 | 292.469734 | 223.855559 | 0.149479 | 0.79251175 | 0.876760
| | 02/14/1945 | 69.491744 | 0.91464349 | 0.13755838 | 306.646068 | 203.043697 | 0.174172 | 0.78882661 | 0.874739
| | 02/22/1974 | 154.867702 | 0.91115936 | 0.14117123 | 327.908389 | 175.677605 | 0.229493 | 0.78252987 | 0.869745
| | 03/02/2003 | 268.056075 | 0.91082537 | 0.14168544 | 330.695711 | 172.360618 | 0.243413 | 0.78177467 | 0.869267
| | 03/09/2032 | 229.677415 | 0.93002998 | 0.11174098 | 138.224896 | 1.710994 | 3.674564 | 0.82610752 | 0.896904
| | 03/17/2061 | 332.723614 | 0.93367380 | 0.10855794 | 138.379376 | 359.558745 | 3.731980 | 0.83231610 | 0.902180
| | 03/25/2090 | 202.462381 | 0.89971248 | 0.14447767 | 150.148131 | 356.334643 | 1.939401 | 0.76972411 | 0.853407
| | 04/03/2119 | 193.663548 | 0.90289689 | 0.14295885 | 153.466459 | 353.292356 | 1.987722 | 0.77381979 | 0.857942
| | 04/10/2148 | 102.321849 | 0.90410858 | 0.14049956 | 154.945179 | 351.969507 | 1.999811 | 0.77708173 | 0.859669
| | 04/18/2177 | 71.055708 | 0.90000893 | 0.14418956 | 156.758355 | 351.243940 | 1.965010 | 0.77023703 | 0.853829
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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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