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Asteroid General Data
General information
| Preliminary designation | 2021 UA1
| | Group | Aten
| | Absolute magnitude | 31.79
| | Approximate diameter (m) | 1
| | Approximate mass (kg) | 2.90·103
| | Number of observations | 22
| | Arc length (days) | 1
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Approaches
Date | Object | r, AU | r, km
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| 10/25/2021 03:07:12 AM | Earth | 0.000063 | 9 414
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 86.094822
| | a – orbit major semiaxis (astronomical units) | 1.08555830
| | e – orbit eccentricity | 0.40471975
| | ω – orbit ascending node-perihelion angle (degrees) | 163.038100
| | Ω – longitude of orbit ascending node (degrees) | 126.151487
| | i – orbit inclination to the ecliptic plane (degrees) | 0.005995
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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 | 263.596617 | 0.98008954 | 0.37433046 | 65.274653 | 213.093232 | 10.206125 | 0.61321217 | 0.970285
| | 01/21/1858 | 230.251730 | 0.97988336 | 0.37461828 | 65.214970 | 212.892862 | 10.214971 | 0.61280114 | 0.969979
| | 01/29/1887 | 197.057297 | 0.98044949 | 0.37467233 | 65.383437 | 212.664569 | 10.226413 | 0.61310220 | 0.970819
| | 02/07/1916 | 160.919162 | 0.98027898 | 0.37451427 | 65.623507 | 212.440547 | 10.238596 | 0.61315052 | 0.970566
| | 02/14/1945 | 116.881571 | 0.98112105 | 0.37471332 | 65.659636 | 212.187430 | 10.257710 | 0.61348193 | 0.971817
| | 02/22/1974 | 66.012034 | 0.98117392 | 0.37473567 | 65.844869 | 211.958223 | 10.264709 | 0.61349305 | 0.971896
| | 03/02/2003 | 9.031439 | 0.98172141 | 0.37434521 | 66.164158 | 211.707821 | 10.291316 | 0.61421870 | 0.972709
| | 03/09/2032 | 115.359996 | 1.08592075 | 0.40469828 | 157.096349 | 132.067301 | 0.006672 | 0.64645049 | 1.131613
| | 03/17/2061 | 350.357641 | 1.08607533 | 0.40499037 | 129.816863 | 159.339320 | 0.019156 | 0.64622528 | 1.131854
| | 03/25/2090 | 226.650547 | 1.08539332 | 0.40482533 | 129.304320 | 159.685558 | 0.030241 | 0.64599862 | 1.130788
| | 04/03/2119 | 61.319213 | 1.09125901 | 0.40485089 | 138.156270 | 151.566460 | 0.034198 | 0.64946182 | 1.139967
| | 04/10/2148 | 223.401701 | 1.09230893 | 0.40502467 | 137.800250 | 151.726638 | 0.050580 | 0.64989686 | 1.141613
| | 04/18/2177 | 53.744985 | 1.08810861 | 0.40492736 | 140.302961 | 149.532654 | 0.052967 | 0.64750367 | 1.135034
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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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