Petronius (crater)
Petronius is a crater on Mercury. It has a diameter of . Its name was adopted by the International Astronomical Union (IAU) on the August 6, 2012. Petronius is named for the Roman author Petronius. Petronius has a region of permanent shadow on much of its floor, which has a bright radar signature. This is interpreted to represent a deposit of water ice. References

Impact craters on Mercury