Re: Delta IV Heavy demo flight profile, nanosats

From: Kevin Fetter (kfetter@yahoo.com)
Date: Sun Aug 15 2004 - 20:14:20 EDT

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    Some size data on the delta 4 second stage, I have come across
    
    http://www.spaceandtech.com/spacedata/elvs/delta4_specs.shtml
    
    So for the unclassfd orbit of
    
    DELTA 4 R/B
    1 27555U 02051B   04226.46194311  .00000002  00000-0  16621-3 0  2999
    2 27555  14.0801 327.2153 7126192 298.0165   8.9202  2.35193124 14862
    
    It used a 4 m fairing, so it's Length is 12.2 m, and  Diameter 4.0 m.
    
    Be interesting to observe it, and see how bright it appears.
    
    I observed the following atlas centaur 2AS upper stage flashing on my video setup.
    
    ATLAS 2AS CENTAUR RB
    1 28155U 04003B   04227.02217858  .00001521  00000-0  81351-3 0   997
    2 28155  12.0662 237.3193 7243755 329.0791   3.4715  2.31113653  4393
    
    and it's size is Length is 10.06 m, and Diameter 3.05 m.
    
    Kevin
    
    
    
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