Lambda 4S
· built by Institute of Space and Astronautical Science
· maiden flight 1966-09-26
Profile data last updated: 2026-08-29T15:37:07.354998+00:00 | 7531-10-17
The Lambda was an experimental Japanese expendable carrier rocket
Specifications
16.5 mLength
0.74 mDiameter
9 tLaunch mass
4Stages
Payload Capacity
26 kgTo LEO
Lifetime Launch Record
As reported by Launch Library 2 across this rocket's entire history, not just the launches tracked on this site.
5Total launches
1Successful
4Failed
0Upcoming
Launches Tracked on This Site
5In our archive
20.0%Success rate
Sep 26, 1966 02:58 UTCEarliest tracked
Feb 11, 1970 04:25 UTCMost recent
| Mission | Date | Status |
|---|---|---|
| Lambda 4S | Ohsumi 5 | Feb 11, 1970 04:25 UTC | Success |
| Lambda 4S | Ohsumi 4 | Sep 22, 1969 02:10 UTC | Failure |
| Lambda 4S | Ohsumi 3 | Apr 13, 1967 02:40 UTC | Failure |
| Lambda 4S | Ohsumi 2 | Dec 20, 1966 02:20 UTC | Failure |
| Lambda 4S | Ohsumi 1 | Sep 26, 1966 02:58 UTC | Failure |