Re[2]: STS 105 and ISS over UK post launch

Date: Fri Aug 10 2001 - 04:26:15 PDT

  • Next message: Bjoern Gimle: "Re: TLE for Discovery at T+20 min"

         The shuttle will be more than a little lower than ISS as it passes 
         over the UK - ISS is around the 400km mark, and the shuttle will be 
         not above 100km over the UK (please correct me if I'm wrong anyone!).
         So I still think it'll be in the darkness (sadly)
    ______________________________ Reply Separator _________________________________
    Subject: Re: STS 105 and ISS over UK post launch
    Author: at MHS
    Date:    10/08/2001 12:08
    >      I also get a pass around 21:34ut (22:34 local time), which I think>
           will still be too late to see the shuttle and tank (they'll be in 
    >      shadow).
    I think it'll be visible.  Naively adding the difference in the launch 
    times to the TLEs posted by Daniel Deak puts it just ahead of the ISS. 
    (This is unusual - the previous missions I've looked at have normally 
    put the shuttle just under half an orbit behind the space station in 
    question).  This also puts the pass around 21:34UT.
    STSOrbit Plus is not too good at getting the altitudes right for these 
    ascents - it gives an altitude of 41km at this point which would I think 
    make the shuttle visible for the wrong reasons.
    Anyway, HA says:
    ISS    -0.6 22:33:28 10 W 22:36:39 65 SSW 22:37:40 39 SE 
    (times BST) so it is out of shadow for the bulk of the pass.  The shuttles
     hould be a little earlier though presumbly also a little lower so it 
    should also be in sunlight for most of the pass.
    So far the weather here (High Wycombe, approx 20 miles NW of London) 
    looks good.
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