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Asteroid General Data
General information
| Preliminary designation | 2025 UD9
| | Group | Apollo
| | Absolute magnitude | 27.15
| | Approximate diameter (m) | 10
| | Approximate mass (kg) | 1.76·106
| | Number of observations | 54
| | Arc length (days) | 4
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Approaches
Date | Object | r, AU | r, km
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| 10/28/2025 00:07:12 AM | Moon | 0.000708 | 105 921
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 139.515969
| | a – orbit major semiaxis (astronomical units) | 1.50873460
| | e – orbit eccentricity | 0.40883620
| | ω – orbit ascending node-perihelion angle (degrees) | 310.215023
| | Ω – longitude of orbit ascending node (degrees) | 34.668614
| | i – orbit inclination to the ecliptic plane (degrees) | 6.621869
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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 | 335.223136 | 1.46336352 | 0.39572630 | 305.333282 | 36.412046 | 6.642389 | 0.88427208 | 1.770227
| | 01/21/1858 | 123.871949 | 1.46136066 | 0.39522958 | 305.539583 | 36.174673 | 6.650781 | 0.88378770 | 1.766594
| | 01/29/1887 | 276.511484 | 1.46256997 | 0.39552451 | 305.928268 | 35.930855 | 6.650461 | 0.88408770 | 1.768787
| | 02/07/1916 | 59.155621 | 1.46516096 | 0.39646228 | 306.376230 | 35.682136 | 6.645917 | 0.88427991 | 1.773489
| | 02/14/1945 | 190.992401 | 1.46491713 | 0.39631332 | 306.736816 | 35.393819 | 6.645963 | 0.88435097 | 1.773047
| | 02/22/1974 | 321.462492 | 1.46482929 | 0.39635319 | 307.011950 | 35.193531 | 6.648870 | 0.88423953 | 1.772887
| | 03/02/2003 | 93.296988 | 1.46324271 | 0.39576237 | 307.224571 | 34.928695 | 6.654390 | 0.88414631 | 1.770008
| | 03/09/2032 | 176.552062 | 1.50853113 | 0.40875661 | 310.275564 | 34.633968 | 6.623160 | 0.89190906 | 1.852815
| | 03/17/2061 | 56.092464 | 1.50839368 | 0.40854392 | 310.566358 | 34.397196 | 6.625806 | 0.89214861 | 1.852562
| | 03/25/2090 | 295.024131 | 1.50767459 | 0.40840361 | 310.838735 | 34.168813 | 6.632485 | 0.89193485 | 1.851237
| | 04/03/2119 | 179.152816 | 1.50711285 | 0.40828991 | 311.144512 | 33.914194 | 6.634038 | 0.89177388 | 1.850203
| | 04/10/2148 | 64.116908 | 1.50717557 | 0.40831749 | 311.647645 | 33.659637 | 6.632775 | 0.89176942 | 1.850318
| | 04/18/2177 | 306.784642 | 1.50654064 | 0.40824212 | 311.879908 | 33.413217 | 6.636626 | 0.89150730 | 1.849149
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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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Return to approaches archive
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