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Asteroid General Data
General information
| Preliminary designation | 2021 TT
| | Group | Apollo
| | Absolute magnitude | 27.88
| | Approximate diameter (m) | 7
| | Approximate mass (kg) | 6.43·105
| | Number of observations | 18
| | Arc length (days) | 7
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Approaches
Date | Object | r, AU | r, km
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| 09/30/2021 02:09:36 PM | Earth | 0.000887 | 132 703
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Details...
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Orbit initial data
| Date of initial data | 06/09/2026
| | M – mean anomaly (degrees) | 300.030935
| | a – orbit major semiaxis (astronomical units) | 1.89653706
| | e – orbit eccentricity | 0.54018213
| | ω – orbit ascending node-perihelion angle (degrees) | 309.328785
| | Ω – longitude of orbit ascending node (degrees) | 7.363576
| | i – orbit inclination to the ecliptic plane (degrees) | 17.977235
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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 | 314.993939 | 1.97497673 | 0.55873149 | 306.668273 | 10.555194 | 17.150680 | 0.87149503 | 2.775515
| | 01/21/1858 | 120.385145 | 1.97389507 | 0.55874691 | 307.079591 | 10.167554 | 17.191270 | 0.87098730 | 2.773235
| | 01/29/1887 | 286.162680 | 1.97366303 | 0.55821153 | 307.806544 | 9.597166 | 17.272448 | 0.87194156 | 2.772746
| | 02/07/1916 | 76.752989 | 1.97968940 | 0.55805633 | 308.498312 | 9.194987 | 17.333125 | 0.87491119 | 2.785455
| | 02/14/1945 | 220.198775 | 1.98433119 | 0.55866539 | 309.120606 | 8.699553 | 17.387949 | 0.87575404 | 2.795258
| | 02/22/1974 | 358.744193 | 1.98306010 | 0.55850575 | 309.806121 | 8.192977 | 17.469769 | 0.87550964 | 2.792572
| | 03/02/2003 | 139.487529 | 1.98430291 | 0.55727202 | 310.193631 | 7.836623 | 17.502422 | 0.87850642 | 2.795198
| | 03/09/2032 | 12.301171 | 1.89678933 | 0.53949680 | 309.348441 | 7.331629 | 17.979824 | 0.87347755 | 2.612337
| | 03/17/2061 | 50.040825 | 1.89743421 | 0.53877095 | 309.785721 | 6.985605 | 18.023736 | 0.87515178 | 2.613670
| | 03/25/2090 | 86.762164 | 1.89761297 | 0.53886440 | 310.405406 | 6.505479 | 18.093580 | 0.87505689 | 2.614039
| | 04/03/2119 | 121.892624 | 1.89815963 | 0.53884279 | 310.861164 | 6.154790 | 18.139140 | 0.87534999 | 2.615169
| | 04/10/2148 | 154.637751 | 1.89885289 | 0.53798904 | 311.435151 | 5.738703 | 18.206459 | 0.87729085 | 2.616602
| | 04/18/2177 | 186.321575 | 1.89928540 | 0.53770670 | 311.869130 | 5.395211 | 18.256047 | 0.87802691 | 2.617496
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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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