Japan · Tokyo · 35.690, 139.692 (approximate location)

TTR

TTR, a research reactor (pool) in Tokyo, Japan, with 100 kW of thermal power, operated by Research Reactor Center. Shut down, first critical in 1962.

It was one of the 27 research reactors Japan has had; 9 remain in operation today. It went critical 5 years after the first research reactor in Japan, JRR-1 (1957). 48 pool-type reactors remain in operation today across 28 countries.

Country

Japan

City

Tokyo

Type

Pool

Thermal power

100 kW

Operator

Research Reactor Center

Status

Shut down

First criticality

1962

See also: every research reactor in Japan · How research reactors work