The Lambda 4S or L-4S was an experimental Japanese expendable carrier rocket. It was produced by Nissan and the Institute of Space and Astronautical Science and launched five times between 1966 and 1970 with Ōsumi technology demonstration satellites. The first four launches failed however the fifth launched on 11 February 1970 successfully placed Ōsumi-5 the first Japanese satellite into orbit.The Lambda 4S consisted of four stages with two booster rockets augmenting the first stage.
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diameter (km)
0.74
height (cm)
16.5
mass (kg)
9.4e+06
country origin
Japan
failed launches
4
final flight
1970-02-11
launch site
Uchinoura Space Center
maiden flight
1966-09-26
manufacturer
Nissan Motor Company, Institute of Space and Astronautical Science
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