NEXT SPACEFLIGHT

Status

Failure

SS 1

Launch Time
Fri Sep 25, 1970 05:00 UTC

First flight of Mu-IV S, and first flight of a Mu rocket.
Stage 4 failed to ignite.

Rocket

Mu-IV S
ISAS
Status: Retired
Payload to LEO: 180 kg
Stages: 4
Strap-ons: 8
Rocket Height: 23.6 m

Mission Details

SS 1

SS 1 was supposed to be the first Japanese scientific satellite launched. The scientific payload included solar radio receivers, cosmic-ray detectors, and ionospheric probes. Power-supplying system consisted of solar cells and nickel-cadmium batteries. The satellite was a 26-sided body measuring 71.2 cm in diameter across the flat sides.

Payloads: 1
Total Mass: 66.0 kg
Low Earth Orbit

Location

Mu Pad, Uchinoura Space Center, Japan

Stats

1970

83rd orbital launch attempt

Institute of Space and Aeronautical Science

1st mission
2nd mission of 1970
1st failed mission

Mu-IV

1st mission
1st mission of 1970
1st failed mission