Institute of Space and Astronautical ScienceLambda 4SKS Center, Uchinoura Space Center, Japan
Ohsumi 1
Launched
September 26, 1966
Summary
Ohsumi 1 launched on an Institute of Space and Astronautical Science Lambda 4S from KS Center, Uchinoura Space Center, Japan on September 26, 1966. The mission failed. It was Institute of Space and Astronautical Science's 1st launch, 1st this year and humanity's 613th orbital launch attempt. It was the 1st Lambda 4S flight. The payload was bound for low Earth orbit (LEO).
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Test Flight · Low Earth Orbit (LEO)
- Milestone
- 1st Lambda 4S flightInstitute of Space and Astronautical Science's 1st launch1st this yearhumanity's 613th orbital launch attempt96th orbital launch attempt this year
Flight preview
About this launch
Ohsumi was a series of five small satellites built to become the first Japanese satellite on orbit.
Pad

KS Center, Uchinoura Space Center, Japan
1st launch from KS Center, 1st this year · 1st from Uchinoura Space Center, Japan
7 launches from this pad · 43 from Uchinoura Space Center, Japan
under an hour after the previous launch from this pad
Questions
When did Ohsumi 1 launch?
Ohsumi 1 launched on September 26, 1966. The time is known to the hour, not the minute.
Where can I watch Ohsumi 1?
No webcast is on record for this launch.
What rocket launched Ohsumi 1?
Lambda 4S, flown by Institute of Space and Astronautical Science. Lambda 4S spec sheet
Where did Ohsumi 1 launch from?
KS Center, Uchinoura Space Center, Japan.
What orbit was Ohsumi 1 going to?
Low Earth Orbit (LEO), a test flight mission.