ESA / MPS for OSIRIS Team (MPS / UPD / LAM / IAA / RSSD / INTA / UPM / DASP / IDA)
Catenae on Steins
Rosetta visited asteroid 2867 Steins on September 5, 2008. Its images showed Steins to have the shape of a brilliant-cut diamond. Its south pole has been blasted away by an impact making a crater 2.1 kilometers in diameter. Radial to the crater is a chain or "catena" of seven craters and a noticeable groove on the opposite side of Steins.
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Original image data dated on or about September 5, 2008