The Kesen meteorite fell on 13 June 1850, landing in a swamp in the outskirts of the city of Rikuzentakata, Kesen District in Iwate Prefecture, Japan.

Classification It was classified as a H4-type ordinary chondrite.

Main mass The meteorite initially weighed , however some local residents cut off pieces for charms or souvenirs such that its current weight is . The meteorite was moved to Tokyo where it was held in the Imperial Household Museum. It is currently housed at the National Museum of Nature and Science, Tokyo. A full-scale replica was housed at the Rikuzentakata Municipal Museum until it was lost in the 2011 Tōhoku tsunami.

See also Glossary of meteoritics

External links Rikuzentakata Municipal Museum