Re: Dictionary please

From: Antonín Vítek (avitek@lib.cas.cz)
Date: Wed May 29 2002 - 11:27:41 EDT

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    OMS as such is Orbital Maneuvring System = two rocket engines used for major correction manoeuvres of orbiter and for
    deorbit manoeuver (as other people wrote already).
    OMS-2 is used to denote the maneuver in the first apogee after lift-off of the shuttle. The number 2 stems from the fact,
    that the shuttle was making another maneuver with OMS engines shortly after cut-off of the main engines (SSME MECO) and
    after separation of external tank (ET). This maneuver denoted as OMS-1 was used only in the very beginning of shuttle
    program and later was abandoned as unnecessary.
    .
    Tony V.
    
    Mir16609@aol.com wrote:
    
    > In a message dated Wed, 29 May 2002  8:57:19 AM Eastern Daylight Time, "Sue Wheatley" <mswheatley@txucom.net> writes:
    >
    > > What does OMS-2 mean? All the internet sites seem happy to use the term,
    > >but I can't find its meaning.  Where can I get a good abbreviation
    > >dictionary that covers satellite observing terms?
    > >---sue
    >
    > Study this.  There will be a test.  :-)
    >
    > http://www.ksc.nasa.gov/facts/acronyms.html
    >
    > Cheers,
    > Don Gardner  39.1799 N, 76.8406 W, 100m ASL
    > http://hometown.aol.com/mir16609/
    >
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