While NASA's comet orbit model http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2007+WD5&orb=1 is inaccurate after a few decades, flash forward to September 26th, 2084 when Earth gets fairly cozy, in cosmic terms, with 2007 WD5 by about 7 million kilometers. If the comet does not hit Mars in January, the orbit of the comet will probably change slightly; maybe I get to see some comet on Earth action shortly after my 106th birthday.
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While NASA's comet orbit model http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2007+WD5&orb=1 is inaccurate after a few decades, flash forward to September 26th, 2084 when Earth gets fairly cozy, in cosmic terms, with 2007 WD5 by about 7 million kilometers. If the comet does not hit Mars in January, the orbit of the comet will probably change slightly; maybe I get to see some comet on Earth action shortly after my 106th birthday.