Re: Returning spacecraft

From: Tony Beresford (dberesford@adam.com.au)
Date: Sun Feb 26 2006 - 11:25:06 EST

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    At 00:40 27/02/06, Russell Eberst wrote:
    >Following found on the spaceweather.com site:
    >
    > On February 22nd, a small asteroid named 2006 DQ14 flew past Earth
    >at a distance of 1.2 million miles. But was it really an asteroid?
    >2006 DQ14 follows an orbit around the sun strikingly similar to
    >Earth's. This raises the possibility that the "asteroid" is
    >actually space junk originally from our own planet. 2006 DQ14
    >was last near Earth in Sept. 1977, about the same time that
    >NASA's Voyager 1 spacecraft was launched atop a Titan III Centaur.
    I cant see how that's possible. The original heliocentric orbit
    of voyager1 was quite eccentric, with a perihelion of 1.007 AU and aphelion around
    8.95AU. The Centaur rocket would have had a similar trajectory.
    Tony Beresford 
    
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