UT
/
Ōsumi
Launch Success
Liftoff Time (GMT)
04:25:00
Wednesday February 11, 1970
Mission Details
Launch Notes
Japan becomes the fourth country to send a satellite by themselves in orbit, after the Soviet Union, the USA and France. Last orbital flight of Lambda 4S.
Ōsumi
Osumi, or Ōsumi, is a simple technological demonstrator with a radio transmitter, a thermometer and an accelerometer. The satellite radio breaks down after completing 7 orbits (338x5150 km and inclination of 31 °).
Low Earth Orbit
1 Payload
12 kilograms
Rocket
Launch Site
Stats
Lambda 4S
5th
Mission
1st
Mission of 1970
University of Tokyo
5th
Mission
1st
Mission of 1970
1970
13th
Orbital launch attempt