Re: Preliminary tle sts-121

From: albyz (albyz85@tiscali.it)
Date: Tue Jun 13 2006 - 04:12:46 EDT

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    Thanks a lot, Ted!
    I knew the link already but I need it to program my osservations... they 
    seem to be good from Italy!
    Thanks
    
    Alberto
    
    
    Ted Molczan ha scritto:
    > Alberto requested:
    >
    >   
    >> Someone has the preliminary tle for the Space Shuttle launch of the 
    >> july 1st window?
    >>     
    >
    > About one day pre-launch, NASA is expected to post pre-flight estimated elements
    > (click on the red icon):
    >
    > http://spaceflight1.nasa.gov/realdata/elements/index.html
    >
    > For rough-planning, I have estimated STS 121's initial elements assuming the
    > same orbits as STS 114, and assuming launch on 2006 Jul 01 at 19:48:26 UTC.
    >
    > I have not made a comprehensive analysis of visibility windows, but it appears
    > that the Northern Hemisphere will have evening visibility, for at least the
    > first few nights; and the Southern hemisphere will have morning visibility later
    > in the mission.
    >
    > It appears that the sun will still be about 1 to 2 deg above the horizon as the
    > shuttle passes over the U.K., about 20 min after launch. Locations further
    > somewhat further east and south will have better illumination. For example,
    > Italy appears to have a good pass, in darkness.
    >
    > 1. MECO: use from July 01 at 19:59 UTC until 20:26 UTC
    >  
    > MECO                                                      55 X 230 km
    > 1 99121U          06182.83258102  .01000000  00000-0  37651-6 0    00
    > 2 99121  51.6451 112.0892 0133625 347.8469  69.9858 16.48995563    01
    >
    >  
    > 2. OMS-2: use from July 01 at 20:26 UTC until July 02 00:51 UTC
    >  
    > OMS-2                                                    155 X 228 km
    > 1 99121U          06182.88379334  .00100000  00000-0  70000-3 0  9018
    > 2 99121  51.6451 111.8025 0055418 342.1749  17.7498 16.30559101    26
    >  
    >  
    > 3. Use from July 02 00:51 UTC until Jul 02 at 12:03 UTC
    >
    >                                                          227 X 285 km
    > 1 99121U          06183.06818119  .00100000  00000-0  70000-3 0  9029
    > 2 99121  51.6494 110.7839 0043665 185.4786 174.5923 16.06785856    53
    >
    > Ted Molczan
    >
    >
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