
Ohsumi, Japan’s first satellite—a small technology demonstrator from the University of Tokyo/ISAS. Lambda-4S from Kagoshima lofted it on 11 February 1970, the final flight of the solid-fuel L-4S and Japan’s first orbital success.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 9 kg
- Flight
- 5th
- of 5 Lambda 4S flights
- Date and time
- 11 February 1970, 04:25 UTC
- Rocket
- Lambda 4S
- Builder
- Nissan
- Launch site
- KS Center, Uchinoura Space Center, Japan
- Payload
- Test Flight
- International designator
- 1970-011
- Launches in 1970
- 13th of 124
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
Object pages on Space Atlas: Ohsumi
View satellites in Space Atlas