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Asteroid General Data
General information
| Preliminary designation | 2025 SY1
| | Group | Aten
| | Absolute magnitude | 31.66
| | Approximate diameter (m) | 1
| | Approximate mass (kg) | 3.47·103
| | Number of observations | 63
| | Arc length (days) | 0
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Approaches
Date | Object | r, AU | r, km
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| 09/19/2025 10:19:12 AM | Earth | 0.000383 | 57 253
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 190.844500
| | a – orbit major semiaxis (astronomical units) | 0.94373375
| | e – orbit eccentricity | 0.24630898
| | ω – orbit ascending node-perihelion angle (degrees) | 298.138483
| | Ω – longitude of orbit ascending node (degrees) | 176.654571
| | i – orbit inclination to the ecliptic plane (degrees) | 3.946620
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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 | 70.662316 | 0.97073364 | 0.25018318 | 258.799190 | 208.945811 | 0.474085 | 0.72787241 | 0.956425
| | 01/21/1858 | 213.615946 | 0.97000301 | 0.25022075 | 266.678899 | 201.070519 | 0.474149 | 0.72728813 | 0.955345
| | 01/29/1887 | 357.013577 | 0.97071832 | 0.25067235 | 271.335339 | 196.292327 | 0.484774 | 0.72738607 | 0.956402
| | 02/07/1916 | 145.395883 | 0.96926306 | 0.24983756 | 278.322128 | 189.101898 | 0.492417 | 0.72710474 | 0.954252
| | 02/14/1945 | 271.991898 | 0.97227192 | 0.24998997 | 278.935219 | 187.960656 | 0.506559 | 0.72921370 | 0.958699
| | 02/22/1974 | 354.955328 | 0.97356507 | 0.24980974 | 280.136889 | 186.887198 | 0.511889 | 0.73035903 | 0.960612
| | 03/02/2003 | 57.352115 | 0.97400925 | 0.25052645 | 282.584225 | 184.354095 | 0.525784 | 0.72999417 | 0.961270
| | 03/09/2032 | 288.562164 | 0.94366504 | 0.24632486 | 298.154230 | 176.637456 | 3.947026 | 0.71121688 | 0.916700
| | 03/17/2061 | 297.188232 | 0.95904399 | 0.24191690 | 294.672859 | 175.886000 | 4.045132 | 0.72703504 | 0.939201
| | 03/25/2090 | 224.630034 | 0.96113843 | 0.24134863 | 294.813775 | 175.108596 | 4.049909 | 0.72916898 | 0.942279
| | 04/03/2119 | 126.818117 | 0.96321407 | 0.24034027 | 294.835916 | 174.500967 | 4.042872 | 0.73171494 | 0.945333
| | 04/10/2148 | 28.986982 | 0.96145697 | 0.24146838 | 295.764755 | 174.005633 | 4.039882 | 0.72929551 | 0.942748
| | 04/18/2177 | 293.625307 | 0.96379160 | 0.24107721 | 295.971821 | 173.296969 | 4.029199 | 0.73144341 | 0.946183
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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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