A hyperbolic orbit makes this ‘object’ an interstellar intruder
http://www.skyandtelescope.com/astronomy-news/astronomers-spot-first-known-interstellar-comet/

I can help hoping this is more than inanimate rock…
If you have read Vernor Vinge’s Across Realtime you will know that these are exactly the sorts of visitors we should be watching out for…
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