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Asteroid General Data
General information
| Preliminary designation | 2021 AH
| | Group | Apollo
| | Absolute magnitude | 28.48
| | Approximate diameter (m) | 5
| | Approximate mass (kg) | 2.80·105
| | Number of observations | 33
| | Arc length (days) | 0
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Approaches
Date | Object | r, AU | r, km
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| 01/03/2021 11:31:12 PM | Earth | 0.000336 | 50 260
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 69.001621
| | a – orbit major semiaxis (astronomical units) | 1.80119436
| | e – orbit eccentricity | 0.69363016
| | ω – orbit ascending node-perihelion angle (degrees) | 92.008460
| | Ω – longitude of orbit ascending node (degrees) | 105.371263
| | i – orbit inclination to the ecliptic plane (degrees) | 0.569807
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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 | 160.950638 | 1.67667941 | 0.68133467 | 248.935096 | 310.780379 | 0.348246 | 0.53429960 | 2.171079
| | 01/21/1858 | 295.375476 | 1.67690231 | 0.68084474 | 254.300050 | 305.574453 | 0.337467 | 0.53519219 | 2.171512
| | 01/29/1887 | 75.339020 | 1.67388281 | 0.68061248 | 258.214054 | 301.821046 | 0.329653 | 0.53461728 | 2.165650
| | 02/07/1916 | 221.289725 | 1.67307594 | 0.68094903 | 262.298596 | 297.878419 | 0.320403 | 0.53379650 | 2.164084
| | 02/14/1945 | 2.277567 | 1.67599027 | 0.68133973 | 267.200061 | 293.158348 | 0.307044 | 0.53407151 | 2.169741
| | 02/22/1974 | 137.607862 | 1.67682532 | 0.68138524 | 271.834487 | 288.580717 | 0.303873 | 0.53426130 | 2.171363
| | 03/02/2003 | 265.624711 | 1.67725564 | 0.68114544 | 277.062451 | 283.460316 | 0.304273 | 0.53480060 | 2.172198
| | 03/09/2032 | 205.431402 | 1.80053756 | 0.69358023 | 91.876061 | 105.506651 | 0.569857 | 0.55172031 | 2.416039
| | 03/17/2061 | 214.488847 | 1.79683211 | 0.69646597 | 89.743878 | 107.904829 | 0.572168 | 0.54539969 | 2.408584
| | 03/25/2090 | 208.704122 | 1.80515219 | 0.69618873 | 88.213531 | 109.857830 | 0.560786 | 0.54842559 | 2.425333
| | 04/03/2119 | 193.448243 | 1.80649593 | 0.69411313 | 86.807085 | 111.307919 | 0.566260 | 0.55258338 | 2.428041
| | 04/10/2148 | 177.286721 | 1.80706754 | 0.69534577 | 86.120633 | 112.023571 | 0.573097 | 0.55053077 | 2.429194
| | 04/18/2177 | 164.446154 | 1.80571385 | 0.69720290 | 84.211909 | 114.152344 | 0.579758 | 0.54676492 | 2.426465
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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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