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Insitor Crater Near the center of this picture is Insitor Crater, which is at the center of Kerwan Crater, as we saw above. Insitor is 16 miles (26 kilometers) in diameter and is at 11°S, 125°E on this map. Dawn captured this view from an altitude of 915 miles (1,470 kilometers) in its third mapping orbit on Sept. 23, 2015. Full image (rotated from the one here) and caption. NASA / JPL-Caltech / UCLA / MPS / DLR / IDA