. Sutter's Mill meteorite - Wikipedia The Sutter's Mill meteorite is a carbonaceous chondrite which entered the Earth's atmosphere and broke up at about 00:00 Pacific time on April 00, 0000, with fragments landing in the United States. The name comes from the Sutter's Mill, a California Gold Rush site, near which some pieces were recovered. Meteor astronomer Peter Jenniskens assigned Sutter's Mill (SM) numbers to each meteorite ... 