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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 | 1434
| | 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 | 16 840
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Details...
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Orbit initial data
| Date of initial data | 12/17/2020
| | M – mean anomaly (degrees) | 259.978432
| | a – orbit major semiaxis (astronomical units) | 1.05630510
| | e – orbit eccentricity | 0.03704089
| | ω – orbit ascending node-perihelion angle (degrees) | 5.995532
| | Ω – longitude of orbit ascending node (degrees) | 271.592704
| | i – orbit inclination to the ecliptic plane (degrees) | 2.445476
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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 | 95.975021 | 1.07949089 | 0.05668317 | 182.710494 | 127.857117 | 2.228509 | 1.01830193 | 1.121577
| | 01/21/1858 | 322.782985 | 1.08882090 | 0.06387205 | 185.843150 | 125.839747 | 2.175582 | 1.01927568 | 1.136149
| | 01/29/1887 | 280.075594 | 1.02447800 | 0.02153869 | 257.567116 | 115.433477 | 2.685965 | 1.00241208 | 1.036942
| | 02/07/1916 | 327.625576 | 1.01761225 | 0.01915365 | 269.760273 | 111.900596 | 2.685215 | 0.99812126 | 1.026536
| | 02/14/1945 | 78.228193 | 1.01741749 | 0.01569252 | 272.719972 | 104.287380 | 2.715641 | 1.00145164 | 1.026241
| | 02/22/1974 | 179.971842 | 1.01741140 | 0.01559771 | 272.952746 | 104.243537 | 2.716826 | 1.00154212 | 1.026232
| | 03/02/2003 | 250.296063 | 1.02141017 | 0.01575772 | 264.652297 | 99.360756 | 2.708206 | 1.00531507 | 1.032288
| | 03/09/2032 | 20.249653 | 1.05704743 | 0.03769638 | 5.724399 | 271.349295 | 2.442724 | 1.01720056 | 1.086782
| | 03/17/2061 | 23.340671 | 1.03794402 | 0.02184010 | 16.840788 | 266.820060 | 2.605102 | 1.01527521 | 1.057454
| | 03/25/2090 | 168.360663 | 1.05041638 | 0.03272073 | 15.728662 | 261.542654 | 2.465630 | 1.01604599 | 1.076571
| | 04/03/2119 | 306.722976 | 1.03238253 | 0.01860303 | 32.682731 | 257.711716 | 2.584866 | 1.01317708 | 1.048966
| | 04/10/2148 | 181.263713 | 1.03368022 | 0.01967951 | 28.742050 | 256.471996 | 2.572212 | 1.01333790 | 1.050945
| | 04/18/2177 | 64.531129 | 1.03083819 | 0.01770267 | 27.885327 | 255.613660 | 2.581843 | 1.01258961 | 1.046614
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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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