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Lambda 4S
9.4m
Human (1.8m)
1.8m
Lambda 4S / Credits: Wikipedia (Wikimedia Commons)
JapanRetired1970–present
Lambda 4S
Institute of Space and Astronautical Science / University of Tokyo
Japan's first indigenous satellite launcher — achieved orbit on 5th attempt.
Lambda 4S was Japan's all-solid-rocket launcher program. Its successful February 1970 flight made Japan the fourth spacefaring nation and launched the Ohsumi satellite.
Fun facts
Made Japan the fourth nation to reach orbit independently.
Height
9.4 m
Diameter
0.74 m
Mass
9.4 t
Stages
4
Thrust
110 kN
Payload LEO
45 kg
Payload GTO
—
Total flights
5
Success rate20.0%
1 success4 failure
Launch pads
- Kagoshima Space Center
No upcoming launches scheduled.
