Orbital launch vehicle
Lambda 4S
The Lambda was an experimental Japanese expendable carrier rocket
Flights flown5
Success rate20%1/5
Payload to LEO26kg
Maiden flight1966-09-26
Peak year19662 flights
Lambda 4S is built by Institute of Space and Astronautical Science of Japan. It first flew on 26 September 1966 and last flew on 11 February 1970.
Flight record
20% success rate1 of 5 flown · 4 failed
1966peak 1966 · 2 flights1970
First flight1966-09-26
Latest flight1970-02-11
Failures4
Consecutive successes1
Fastest turnaround84d 23h
Payload
| Low Earth orbit | 26kg |
|---|
Vehicle
| Stages | 4 |
|---|---|
| Length | 16.5m |
| Diameter | 0.74m |
| Launch mass | 9t |
| Maiden flight | 1966-09-26 |
| Reusable | No |
Pads used
Orbits delivered
Low Earth Orbit5
Launch history
| Date | Mission | Pad | Orbit | Outcome |
|---|---|---|---|---|
| 1970-02-11 | Lambda 4S | Ohsumi 5 | KS Center | Low Earth Orbit | Success |
| 1969-09-22 | Lambda 4S | Ohsumi 4 | KS Center | Low Earth Orbit | Failure |
| 1967-04-13 | Lambda 4S | Ohsumi 3 | KS Center | Low Earth Orbit | Failure |
| 1966-12-20 | Lambda 4S | Ohsumi 2 | KS Center | Low Earth Orbit | Failure |
| 1966-09-26 | Lambda 4S | Ohsumi 1 | KS Center | Low Earth Orbit | Failure |
Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.
Further reading: Wikipedia