Largest Crater Stickney (10 km diameter) named after Asaph Hall's wife (whose maiden name was Stickney).
Other Craters
Hall (5 km)
Roche (5km)
Todd
Sharpless
d'Arrest
Other Features
Kepler Dorsum a ridge associated with the Stickney system
Linear groves about 500 metres wide running acrosss part of Phobos are thought to be caused by tidal forces from Mars and also impact with large debris that might have also have formed Stickney
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