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Asteroid General Data
General information
| Preliminary designation | 2011 MD
| | Group | Amor
| | Absolute magnitude | 27.98
| | Approximate diameter (m) | 7
| | Approximate mass (kg) | 5.60·105
| | Number of observations | 1517
| | Arc length (days) | 74
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Approaches
Date | Object | r, AU | r, km
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| 06/27/2011 06:00:00 PM | Earth | 0.000113 | 16 851
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Details...
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Orbit initial data
| Date of initial data | 07/05/2021
| | M – mean anomaly (degrees) | 81.578038
| | a – orbit major semiaxis (astronomical units) | 1.05630179
| | e – orbit eccentricity | 0.03708477
| | ω – orbit ascending node-perihelion angle (degrees) | 5.971249
| | Ω – longitude of orbit ascending node (degrees) | 271.589811
| | i – orbit inclination to the ecliptic plane (degrees) | 2.445380
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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 | 326.296489 | 0.91254159 | 0.11329435 | 323.275314 | 154.273966 | 0.721842 | 0.80915578 | 0.871725
| | 01/21/1858 | 346.969373 | 0.91683681 | 0.10903816 | 326.502977 | 151.557684 | 0.743924 | 0.81686661 | 0.877887
| | 01/29/1887 | 81.114798 | 0.92200644 | 0.10198916 | 349.285593 | 129.238495 | 1.449714 | 0.82797178 | 0.885323
| | 02/07/1916 | 355.853483 | 0.92380572 | 0.10056813 | 350.050474 | 128.650835 | 1.459564 | 0.83090030 | 0.887915
| | 02/14/1945 | 54.442872 | 0.95505292 | 0.06730874 | 351.200954 | 114.261975 | 2.453889 | 0.89076951 | 0.933344
| | 02/22/1974 | 219.857034 | 0.94120875 | 0.07994168 | 357.832585 | 109.803361 | 2.258196 | 0.86596694 | 0.913124
| | 03/02/2003 | 251.708826 | 1.02157562 | 0.01574217 | 263.966894 | 99.355171 | 2.707843 | 1.00549380 | 1.032539
| | 03/09/2032 | 20.251916 | 1.05704751 | 0.03769621 | 5.723571 | 271.349185 | 2.442713 | 1.01720083 | 1.086782
| | 03/17/2061 | 23.544453 | 1.03790447 | 0.02180241 | 16.869883 | 266.812121 | 2.605614 | 1.01527565 | 1.057394
| | 03/25/2090 | 170.033014 | 1.04833834 | 0.03060609 | 16.818296 | 262.301388 | 2.508267 | 1.01625281 | 1.073378
| | 04/03/2119 | 188.447769 | 1.04457997 | 0.02788158 | 17.887887 | 261.052489 | 2.521133 | 1.01545543 | 1.067611
| | 04/10/2148 | 159.951095 | 1.05701990 | 0.03873580 | 18.986419 | 255.760171 | 2.367911 | 1.01607538 | 1.086739
| | 04/18/2177 | 158.866200 | 1.04527572 | 0.03023869 | 25.339767 | 253.415614 | 2.411092 | 1.01366796 | 1.068678
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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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