RE: red satellite

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Mon Jan 02 2012 - 02:18:18 UTC

  • Next message: Brad Young: "BY C 010212"

    George Roberts wrote:
    
    > Rick sent me some private messages regarding this unid.  There was some
    > confusion about the alt/azi system and now that Rick understands completely
    > here is the revised location of the unid:
    > 
    > The object was about 60 degree from the horizon the whole time (neither
    > going up nor down but left).  It was first spotted at an azimuth of about
    > 140 degrees (south east) and disappeared at an azimuth of about 80 degrees
    > (east).
    
    Lacrosse 4 (00047A / 26473) is very roughly consistent with the observation report:
    
    http://www.heavens-above.com/PassDetails.asp?Size=600&SatID=26473&lat=41.259&lng=-95.938&alt=314&loc=Omaha&TZ=CST&Date=40904.0001235004
    
    The first four Lacrosses had a distinct orange-red hue, due to the gold coloured thermal blanket that covered much of their surface.
    
    The satellite culminated at about 48 deg, a bit lower than the reported 60 deg, but it is common to over-estimate elevation above the horizon.
    
    The reported 10 s for it to disappear is typical of satellites entering eclipse, but the wording of the report seems to suggest this occurred at about 60 deg, which is way off.
    
    Ted Molczan
    
    
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