Space · launch vehicle
Lambda 4S
ISAS
RETIRED
At a glance
Launches
5
Success rate
20%
1 ok · 4 failed
Payload to LEO
26 kg
Payload to GTO
—
Manufacturer
Institute of Space and Astronautical ScienceStatus
RetiredFirst flight
26 Sept 1966Reusable
NoHeight
16.5 mDiameter
0.74 mLaunch mass
9 tLiftoff thrust
—Stages
4Launch cost
—Booster landings
—Links
WikipediaAbout
The Lambda was an experimental Japanese expendable carrier rocket
Source The Space Devs — Launch Library 2
Last checked 29 Sept 2026