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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 | 1551
| | Arc length (days) | 74
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Approaches
Date | Object | r, AU | r, km
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| 06/27/2011 06:28:48 PM | Earth | 0.000109 | 16 257
| | 06/16/2086 02:57:07 AM | Moon | 0.000826 | 123 518
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 275.686092
| | a – orbit major semiaxis (astronomical units) | 1.05708780
| | e – orbit eccentricity | 0.03767673
| | ω – orbit ascending node-perihelion angle (degrees) | 5.724329
| | Ω – longitude of orbit ascending node (degrees) | 271.384911
| | i – orbit inclination to the ecliptic plane (degrees) | 2.442629
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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 | 327.073443 | 1.02957664 | 0.02727242 | 251.525466 | 123.655424 | 2.641553 | 1.00149760 | 1.044693
| | 01/21/1858 | 299.663038 | 1.02145867 | 0.02341816 | 261.835363 | 121.489305 | 2.653873 | 0.99753799 | 1.032362
| | 01/29/1887 | 10.479266 | 1.01619714 | 0.01851800 | 279.068534 | 112.684918 | 2.732015 | 0.99737919 | 1.024395
| | 02/07/1916 | 130.848647 | 1.01603284 | 0.01849404 | 279.026202 | 112.653890 | 2.734053 | 0.99724229 | 1.024147
| | 02/14/1945 | 208.608773 | 1.02095234 | 0.01744193 | 269.519410 | 106.589976 | 2.732945 | 1.00314496 | 1.031594
| | 02/22/1974 | 193.022031 | 1.02863963 | 0.01961806 | 255.400409 | 102.062010 | 2.717764 | 1.00845972 | 1.043267
| | 03/02/2003 | 236.739569 | 1.01983040 | 0.01595065 | 271.199842 | 99.422800 | 2.712599 | 1.00356344 | 1.029894
| | 03/09/2032 | 20.245979 | 1.05704706 | 0.03769613 | 5.723882 | 271.349559 | 2.442740 | 1.01720048 | 1.086781
| | 03/17/2061 | 22.722969 | 1.03806463 | 0.02195398 | 16.748329 | 266.844112 | 2.603519 | 1.01527498 | 1.057638
| | 03/25/2090 | 131.183140 | 1.08445412 | 0.06493657 | 357.590085 | 256.796147 | 1.610475 | 1.01403339 | 1.129321
| | 04/03/2119 | 24.997958 | 1.08256575 | 0.06374467 | 358.069580 | 256.155653 | 1.614443 | 1.01355795 | 1.126373
| | 04/10/2148 | 113.192083 | 1.06854425 | 0.05323141 | 5.518952 | 251.595557 | 1.764796 | 1.01166413 | 1.104560
| | 04/18/2177 | 147.333212 | 1.07509152 | 0.05762847 | 8.552833 | 249.736479 | 1.743955 | 1.01313564 | 1.114728
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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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