Re: Hayabusa listing

From: George Olshevsky (george.olshevsky@gmail.com)
Date: Tue Nov 29 2005 - 02:53:59 EST

  • Next message: Russell Eberst: "2005NOV28.OBS"

    On 11/28/05, Ted Molczan <seesat@rogers.com> wrote:
    > George Olshevsky wrote:
    >
    > > The Centaur 2 rocket body 1963-047A was apparently set
    > > tumbling at 48 rpm by a fuel tank vent that stuck in the open
    > > position until the gas was exhausted, as a result of which it
    > > threw off pieces of its LH2 tank insulation. This means it
    > > could still be flashing with a period of 1.25 seconds 42
    > > years later (it's still in orbit). Has anyone ever reported seeing it?
    >
    > The geomagnetic field would have been expected to fairly quickly slow its
    > rotation...observations of 1963-047A dating back to 1964,
    when Pierre Neirinck report a period of 16 s. Today, its period is greater than
    one minute.
    
    Wow, that geomagnetic back EMF does add up after 42 years, doesn't it?
    Most interesting!
    
    -------------------------------------------------------------------------
    Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive:  
    http://www.satobs.org/seesat/seesatindex.html
    



    This archive was generated by hypermail 2b29 : Tue Nov 29 2005 - 02:55:09 EST