Re: Simulated Launches - directional, a local view

Josh R. Williams (jrwsat@gatecoms.gatecom.com)
Thu, 28 Mar 1996 15:00:54 -0500 (EST)

Stephen,

I have used this program and have simulated a few launches, I too have 
wondered how this particular part of the program works (Documentation is 
a little vague in this area), therefore I have forwarded a copy of the message
to Dave Ransom and maybe we will get some answers..

-*-*-
          Josh R. Williams                      ** JRW Satellite Page **      
 E-Mail: jrwsat@gatecoms.gatecom.com      URL: http://www.gatecom.com/~jrwsat/
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                   SeeSat-L and HearSat-L member located at:
           Latitude: 41 deg 59' 29" N -- Longitude: 83 deg 27' 41" W         

On Thu, 28 Mar 1996, Stephen Thompson wrote:

> 
> No, I cannot explain how to use TLE's to determine rocket position during 
> launch phase.  What I can do is run STS-PLUS Version 9517 which has a 
> Shuttle launch simulator (see STSPLUS Doc p 59).  Dave Ransom makes it very 
> clear that this model is only good for the Shuttle launched from the Cape 
> and that the prelaunch TLE's and launch time must match.
> 
> It would be interesting to know more about how his model works. Maybe fancy 
> polynomial substitution for the  physics?
> 
> Stephen
> 
> SThompson@esiusa.com
> 
>  ----------
> From: seesat-l-request
> To: seesat-L
> Subject: Re: Launches - directional, a local view
> Date: Thursday, March 28, 1996 1:19AM
> 
> On Wed, 27 Mar 1996, Stephen Thompson wrote:
> 
> > When STS-76 left for Mir the other morning, the 'launch simulation" in
> > STS-PLUS was spot-on for rise and set times as well as altitude, I
> recommend
> > that anyone interested in seeing launches from a great distance use
> STS-PLUS
> > to see if a particular launch will be visible from their location.
> 
> Can you explain how to use TLEs to determine rocket position during
> launch phase?
>  --
> 
> JRespler@InJersey.com   or   Jay.Respler@bytewise.org
>    Satellite Tracker * Early Typewriter Collector
>               Freehold, New Jersey
> 
> 
> 
> 
>