Re: Atlantic SLBM Test Launches

From: Marco Langbroek (marco.langbroek@online.nl)
Date: Tue Sep 24 2013 - 20:18:17 UTC

  • Next message: Allen Thomson: "Re: Atlantic SLBM Test Launches"

    Op 24-9-2013 22:10, Allen Thomson schreef:
    >
    >
    >> Nice! I was pretty sure it would end up being a Trident, but glad to
    >> see it confirmed
    >
    > Are we reasonably certain of the mid-Atlantic launch point and the near-East initial Azimuth Marco deduced? Those puzzle me a bit.
    >
    
    Allen, that was a very rough back-of-the-envelope (literally!) calculation so do 
    not put too much value in it.
    
    It is assuming I correctly identified the two moments of 2nd and 3rd stage 
    ignition, and that these occured roughly at 70 km and 150 km altitude. I 
    moreover neglected earth curvature, which given the range is significant.
    
    Nevertheless I think that within a few degrees in lat/long, the general location 
    deduced should be right.
    
    - Marco
    
    -----
    Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
    e-mail: sattrackcam@langbroek.org
    
    Cospar 4353 (Leiden):   52.15412 N, 4.49081 E (WGS84), +0 m ASL
    Cospar 4354 (De Wilck): 52.11685 N, 4.56016 E (WGS84), -2 m ASL
    Station (b)log: http://sattrackcam.blogspot.com
    Twitter: @Marco_Langbroek
    -----
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