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Asteroid (4340) Dence

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Named in honour of Michael R. Dence, executive director of the Royal Society of Canada and formerly a geologist with the Dominion Observatory. Dence was a pioneer in the geologic investigation of ancient impact craters on the Canadian shield. He made one of the first good estimates of the cratering rate on the earth in Phanerozoic time from studies of impact structures in Canada and Europe. JRASC

Orbit type: Main Belt Asteroid 

Reference: MPC 17656

Name: 
Dence
Number: 
4340
Designation: 
1986 JZ
Disc. Date: 
1986-05-04
Discoverer: 
Shoemaker, C.S. & E.M.
Disc. Place: 
Palomar