Re: OIG TLE harangue

From: Thomas Fly (
Date: Fri Jun 18 2004 - 11:35:32 EDT

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    Another thought occurred to me- the SGP4 positions are relative to the Mean
    Equinox of Date (or thereabouts.... ;-).  If you're "un-precessing" the Sun's
    position to J2000, then, you're mixing apples & oranges.
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