Volume 34 Issue 3
May  2014
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Liu Guangming, Zhang Zhi, Che Wanfang. Fast Fitting Algorithm of Non-cooperative Space Object’s TLE Parameters[J]. Journal of Space Science, 2014, 34(3): 319-326. doi: 10.11728/cjss2014.03.319
Citation: Liu Guangming, Zhang Zhi, Che Wanfang. Fast Fitting Algorithm of Non-cooperative Space Object’s TLE Parameters[J]. Journal of Space Science, 2014, 34(3): 319-326. doi: 10.11728/cjss2014.03.319

Fast Fitting Algorithm of Non-cooperative Space Object’s TLE Parameters

doi: 10.11728/cjss2014.03.319
  • Received Date: 2013-07-21
  • Rev Recd Date: 2013-11-04
  • Publish Date: 2014-05-15
  • Due to the singularity existence in the iterative approximation procedure, a new Two-Line Elements (TLE) sampling fitting method is put forward according to the non-singular transformation of orbital elements. To improve the data-processing efficiency of space-based observation platform to the non-cooperative space target, the TLE fitting algorithm introduces the adaptive forgetting factor recursive least-squares algorithm. Numerical simulations indicate that the method can enhance the iterative rapidity of convergence and the accuracy of forecasting orbit, especially for near-Earth space objects. The fitting method can be applied to the tracking system of space-based observation platform to the near-Earth orbit target.

     

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