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Asteroid General Data
General information
| Preliminary designation | 2012 DA14
| | Group | Aten
| | Absolute magnitude | 24.12
| | Approximate diameter (m) | 40
| | Approximate mass (kg) | 1.16·108
| | Number of observations | 120
| | Arc length (days) | 3
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Approaches
Date | Object | r, AU | r, km
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| 02/16/1925 09:36:00 PM | Moon | 0.001677 | 250 831
| | 02/15/2013 07:24:58 PM | Earth | 0.000228 | 34 056
| | 02/16/2013 01:12:00 AM | Moon | 0.002738 | 409 554
| | 02/15/2094 10:48:00 AM | Moon | 0.003352 | 501 429
| | 02/16/2141 03:36:00 AM | Earth | 0.005263 | 787 339
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Details...
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Orbit initial data
| Date of initial data | 07/27/2013
| | M – mean anomaly (degrees) | 344.549781
| | a – orbit major semiaxis (astronomical units) | 0.910273
| | e – orbit eccentricity | 0.089357
| | ω – orbit ascending node-perihelion angle (degrees) | 195.577769
| | Ω – longitude of orbit ascending node (degrees) | 146.975051
| | i – orbit inclination to the ecliptic plane (degrees) | 11.622175
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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 | 170.693967 | 1.03066844 | 0.10525194 | 286.505553 | 149.977277 | 10.512566 | 0.92218859 | 382.131329
| | 01/13/1829 | 80.608826 | 1.03023338 | 0.10508867 | 286.417986 | 149.745883 | 10.517094 | 0.92196752 | 381.889401
| | 01/21/1858 | 2.253909 | 1.03088079 | 0.10565767 | 286.339277 | 149.333511 | 10.503102 | 0.92196033 | 382.249434
| | 01/29/1887 | 267.927977 | 1.03019362 | 0.10548135 | 286.261872 | 149.100949 | 10.508456 | 0.92152740 | 381.867293
| | 02/07/1916 | 188.192718 | 1.02910604 | 0.10516171 | 286.180705 | 148.848649 | 10.513930 | 0.92088349 | 381.262744
| | 02/14/1945 | 346.101858 | 1.00812517 | 0.11223953 | 274.144062 | 148.343980 | 10.225205 | 0.89497367 | 369.662898
| | 02/22/1974 | 231.360783 | 1.00785172 | 0.11228188 | 274.332674 | 148.237024 | 10.228958 | 0.89468824 | 369.512507
| | 03/02/2003 | 113.548541 | 1.00700067 | 0.11228257 | 274.869375 | 148.104082 | 10.235841 | 0.89393204 | 369.044568
| | 03/09/2032 | 141.054349 | 0.91048683 | 0.08918224 | 195.719846 | 146.857006 | 11.625841 | 0.82928758 | 317.281453
| | 03/17/2061 | 258.408521 | 0.91272450 | 0.08690318 | 196.821612 | 146.425985 | 11.642990 | 0.83340584 | 318.451823
| | 03/25/2090 | 354.467305 | 0.91433374 | 0.08501158 | 197.390060 | 146.164603 | 11.652211 | 0.83660478 | 319.294396
| | 04/03/2119 | 81.245618 | 0.93452169 | 0.06282589 | 203.194403 | 145.755829 | 11.737447 | 0.87580953 | 329.927303
| | 04/10/2148 | 165.814469 | 0.92563510 | 0.07182645 | 200.072847 | 145.381111 | 11.715287 | 0.85915003 | 325.232476
| | 04/18/2177 | 5.843923 | 0.92599151 | 0.07149899 | 200.274007 | 145.132600 | 11.719567 | 0.85978405 | 325.420335
| | 04/27/2206 | 253.097955 | 0.92295459 | 0.07496842 | 199.703522 | 144.768062 | 11.713566 | 0.85376215 | 323.820756
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Detailed table...
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