Rosetta starts tracking asteroid Steins

(PhysOrg.com) -- Heading toward its first target-asteroid, (2867) Steins, ESA's Rosetta spacecraft has started using its cameras to visually track the asteroid and eventually determine its orbit with more accuracy.

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<p><a href="http://www.physorg.com/news137078511.html">Rosetta starts tracking asteroid Steins</a></p> <p>(PhysOrg.com) -- Heading toward its first target-asteroid, (2867) Steins, ESA's Rosetta spacecraft has started using its cameras to visually track the asteroid and eventually determine its orbit with more accuracy.</p>