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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 | 1071
| | Arc length (days) | 74
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Approaches
Date | Object | r, AU | r, km
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| 07/13/1820 09:36:00 PM | Earth | 0.002714 | 405 948
| | 07/14/1820 02:24:00 PM | Moon | 0.005101 | 763 124
| | 06/27/2011 04:48:00 PM | Earth | 0.000121 | 18 097
| | 06/28/2011 07:12:00 AM | Moon | 0.002041 | 305 347
| | 06/14/2086 02:24:00 AM | Moon | 0.001460 | 218 370
| | 06/14/2086 09:36:00 PM | Earth | 0.000960 | 143 628
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Details...
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Orbit initial data
| Date of initial data | 06/27/2015
| | M – mean anomaly (degrees) | 244.144162
| | a – orbit major semiaxis (astronomical units) | 1.056293
| | e – orbit eccentricity | 0.037067
| | ω – orbit ascending node-perihelion angle (degrees) | 5.943319
| | Ω – longitude of orbit ascending node (degrees) | 271.622846
| | i – orbit inclination to the ecliptic plane (degrees) | 2.445512
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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 | 191.669292 | 1.03190950 | 0.01191779 | 117.770347 | 136.453549 | 2.825286 | 1.01961142 | 382.821741
| | 01/13/1829 | 348.187492 | 1.02694929 | 0.02036043 | 107.928255 | 261.545904 | 2.735215 | 1.00604016 | 380.064828
| | 01/21/1858 | 299.124776 | 1.02941832 | 0.02125804 | 106.519449 | 257.352086 | 2.732076 | 1.00753491 | 381.436301
| | 01/29/1887 | 255.214303 | 1.02539441 | 0.01848452 | 105.311299 | 261.397531 | 2.734217 | 1.00644049 | 379.201981
| | 02/07/1916 | 249.771699 | 1.02460411 | 0.01738242 | 104.208442 | 258.989462 | 2.723411 | 1.00679401 | 378.763673
| | 02/14/1945 | 247.337032 | 1.02489434 | 0.01704585 | 102.986603 | 255.247995 | 2.712049 | 1.00742414 | 378.924617
| | 02/22/1974 | 270.876015 | 1.02200784 | 0.01491960 | 101.539387 | 256.118062 | 2.706244 | 1.00675989 | 377.324946
| | 03/02/2003 | 282.730206 | 1.02530984 | 0.01620037 | 99.228668 | 249.200338 | 2.692943 | 1.00869944 | 379.155070
| | 03/09/2032 | 20.243972 | 1.05704746 | 0.03769642 | 271.349645 | 5.723716 | 2.442751 | 1.01720056 | 396.895260
| | 03/17/2061 | 22.624665 | 1.03808371 | 0.02197206 | 266.847901 | 16.734312 | 2.603273 | 1.01527487 | 386.262676
| | 03/25/2090 | 229.934821 | 1.05237979 | 0.05584177 | 256.401843 | 310.794830 | 1.262865 | 0.99361305 | 394.269272
| | 04/03/2119 | 211.979250 | 1.04387541 | 0.05088929 | 247.059231 | 319.840423 | 1.322915 | 0.99075333 | 389.499748
| | 04/10/2148 | 345.789741 | 1.03769948 | 0.04797058 | 243.438077 | 323.174011 | 1.343894 | 0.98792043 | 386.048242
| | 04/18/2177 | 139.777321 | 1.03563659 | 0.04604569 | 241.051769 | 327.714633 | 1.353292 | 0.98794999 | 384.897649
| | 04/27/2206 | 264.915221 | 1.04276219 | 0.04912847 | 238.685662 | 333.451981 | 1.320636 | 0.99153289 | 388.876854
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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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