Re: Mars Odyssey R/B 1

From: Jonathan T Wojack (
Date: Mon Apr 23 2001 - 12:55:32 PDT

  • Next message: Jonathan T Wojack: "Re: Magnitude estimates on Heavens-Above"

    > Checking the details of the observation - range and illumination were 
    > 560 Km
    > and 39.5%. I think this puts the standard magnitude at about 4.
    What precisely does "39.5%" mean?  I know there's been some discussion on
    this, but I don't think I ever saw a clear explanation.  I think someone
    said that it really describes the sun-object-observer angle...
    Anybody know?
    Jonathan T. Wojack       
    39.706d N   75.683d W            
    4 hours behind UT (-4)
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    This archive was generated by hypermail 2b29 : Mon Apr 23 2001 - 13:18:16 PDT