Re: Fun with 2-line elsets

Date: Wed Nov 02 2005 - 23:04:56 EST

  • Next message: Steve Newcomb: "8539 obs nov 2"

    In a message dated 11/2/2005 2:14:53 A.M. Pacific Standard Time, writes:
    >>The quantity 'a' usually refers to the semi-major axis,
    ie  the average orbital radius. Thus your constant K
    is eight times the standard  G*M*(P/2/pi)^2, where
    GM = 398600.44 km^3s^-2 giving K=290784000  km^3min^-2<<
    At first I used semimajor axis, but after I  found  myself multiplying and 
    dividing by two all the time, I  simplified the arithmetic  a bit by using 
    whole major axis. The  results are equivalent, of  course.
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