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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 | 1503
| | Arc length (days) | 74
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Approaches
Date | Object | r, AU | r, km
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| 06/27/2011 05:41:17 PM | Earth | 0.000117 | 17 472
| | 06/28/2011 08:24:00 AM | Moon | 0.002046 | 306 058
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Details...
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Orbit initial data
| Date of initial data | 12/13/2017
| | M – mean anomaly (degrees) | 341.292758
| | a – orbit major semiaxis (astronomical units) | 1.056234
| | e – orbit eccentricity | 0.037055
| | ω – orbit ascending node-perihelion angle (degrees) | 5.955513
| | Ω – longitude of orbit ascending node (degrees) | 271.603439
| | i – orbit inclination to the ecliptic plane (degrees) | 2.445533
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Details...
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Orbital evolution
Date | M | a | e | ω | Ω | i | q | P
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| 01/05/1800 | 213.239378 | 1.01402879 | 0.03502642 | 294.295953 | 134.710002 | 2.641753 | 0.97851099 | 372.914790
| | 01/13/1829 | 23.827802 | 1.01596043 | 0.02876603 | 281.487380 | 127.538282 | 2.665893 | 0.98673528 | 373.980852
| | 01/21/1858 | 147.325302 | 1.01597927 | 0.02864798 | 281.921122 | 127.476962 | 2.667761 | 0.98687351 | 373.991255
| | 01/29/1887 | 262.658794 | 1.02002447 | 0.02270619 | 264.472966 | 118.593565 | 2.655276 | 0.99686361 | 376.227093
| | 02/07/1916 | 0.162666 | 1.01580373 | 0.01719328 | 276.245195 | 109.917657 | 2.722641 | 0.99833873 | 373.894335
| | 02/14/1945 | 125.644600 | 1.01446185 | 0.01714375 | 276.736337 | 109.812790 | 2.724476 | 0.99707016 | 373.153704
| | 02/22/1974 | 225.661945 | 1.01930595 | 0.01461661 | 265.112132 | 102.877194 | 2.714310 | 1.00440715 | 375.829629
| | 03/02/2003 | 268.771498 | 1.02360313 | 0.01588911 | 255.778537 | 99.284105 | 2.699569 | 1.00733899 | 378.208764
| | 03/09/2032 | 20.249868 | 1.05704762 | 0.03769610 | 5.724342 | 271.349246 | 2.442719 | 1.01720104 | 396.895346
| | 03/17/2061 | 23.431959 | 1.03792605 | 0.02182275 | 16.855296 | 266.816466 | 2.605325 | 1.01527565 | 386.174682
| | 03/25/2090 | 169.211076 | 1.04936964 | 0.03165485 | 16.307371 | 261.902389 | 2.487387 | 1.01615200 | 392.578869
| | 04/03/2119 | 164.821155 | 1.05541421 | 0.03645532 | 18.591126 | 259.154486 | 2.449371 | 1.01693874 | 395.975743
| | 04/10/2148 | 66.512994 | 1.05646688 | 0.03726370 | 18.693071 | 258.373702 | 2.448522 | 1.01709901 | 396.568312
| | 04/18/2177 | 257.043640 | 1.06546194 | 0.04406939 | 22.028333 | 255.320674 | 2.408572 | 1.01850768 | 401.643821
| | 04/27/2206 | 3.937850 | 1.06911050 | 0.04676094 | 23.562423 | 254.061840 | 2.398710 | 1.01911789 | 403.708668
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Detailed table...
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