How to determine N-dot from two values of N?

From: Bram Dorreman (
Date: Mon Nov 08 2010 - 02:37:20 UTC

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    As with Skymed 4 rocket the N-dot value from the TLE I used to find
    it, had a small negative value. Just as the day before when I was too
    late to have a search action. I was thinking: If one has two values of
    N it should be possible to calculate the N-dot value from them. My
    only question is: What is a suitable algorithm for this.
    Thanks for any solution.
    Bram Dorreman.
    Seesat-l mailing list

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