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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 | 9 409
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Details...
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Orbit initial data
| Date of initial data | 07/09/2024
| | M – mean anomaly (degrees) | 196.147152
| | a – orbit major semiaxis (astronomical units) | 1.08558179
| | e – orbit eccentricity | 0.40464921
| | ω – orbit ascending node-perihelion angle (degrees) | 163.717259
| | Ω – longitude of orbit ascending node (degrees) | 125.458229
| | i – orbit inclination to the ecliptic plane (degrees) | 0.006009
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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 | 36.329310 | 0.98605237 | 0.37560019 | 65.187806 | 213.128294 | 10.156418 | 0.61569091 | 0.979153
| | 01/21/1858 | 254.155532 | 0.98764340 | 0.37471740 | 65.735768 | 212.866945 | 10.202332 | 0.61755623 | 0.981524
| | 01/29/1887 | 95.031575 | 0.98824070 | 0.37490099 | 65.913599 | 212.655117 | 10.206460 | 0.61774828 | 0.982414
| | 02/07/1916 | 304.862271 | 0.98719365 | 0.37447268 | 66.158678 | 212.376332 | 10.231418 | 0.61751660 | 0.980853
| | 02/14/1945 | 161.469444 | 0.98659170 | 0.37419226 | 66.400641 | 212.212667 | 10.244919 | 0.61741673 | 0.979957
| | 02/22/1974 | 78.686473 | 0.98269984 | 0.37429065 | 66.049006 | 211.955734 | 10.288889 | 0.61488448 | 0.974164
| | 03/02/2003 | 12.921520 | 0.98201236 | 0.37417289 | 66.249245 | 211.711598 | 10.298616 | 0.61456995 | 0.973142
| | 03/09/2032 | 115.359977 | 1.08592076 | 0.40469827 | 157.096301 | 132.067330 | 0.006672 | 0.64645050 | 1.131613
| | 03/17/2061 | 350.357717 | 1.08607532 | 0.40499035 | 129.816948 | 159.339218 | 0.019156 | 0.64622529 | 1.131854
| | 03/25/2090 | 226.650331 | 1.08539334 | 0.40482531 | 129.304814 | 159.685046 | 0.030241 | 0.64599864 | 1.130788
| | 04/03/2119 | 61.289781 | 1.09125349 | 0.40484719 | 138.111447 | 151.612328 | 0.034183 | 0.64946258 | 1.139959
| | 04/10/2148 | 223.440647 | 1.09232726 | 0.40502248 | 137.792672 | 151.732287 | 0.050461 | 0.64991017 | 1.141642
| | 04/18/2177 | 53.906150 | 1.08814997 | 0.40493828 | 140.464309 | 149.389432 | 0.052528 | 0.64751639 | 1.135099
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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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