RE: Orbital express orbit

From: Tony Beresford (dberesford@adam.com.au)
Date: Tue Mar 06 2007 - 22:54:59 EST

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    At 11:34 AM 7/03/2007, Ted Molczan wrote:
    >Tony Beresford wrote:
    >
    > > Its a circular orbit 492Km high and inclined at 46 degrees.
    >
    >MidSTAR-1 will also enter that orbit. Three other payloads will enter a 35.4
    >deg, 560 km orbit.
    >
    >Spaceflight Now has some information:
    >...
    >http://www.spaceflightnow.com/atlas/av013/070305groundtrack.html
    
    The grountrack diagram has more information than the printed timeline.
    It shows the grountrack after spacecraft sep. labelled with start of blowdown
    and end of blowdown. during this time the groundtrack passes over SE US.
    Local time is probably too late for sun illumination though.
    
    The at the end of blowdown  it is noted that hydrazine is to be vented.
    I guess this is the centaur's attitude control supply, and they launch
    controllers are being careful to vent ALL liquids,
    
    Tony Beresford 
    
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