NEXT SPACEFLIGHT

Status

Success

Ume 1

Launch Time
Sun Feb 29, 1976 03:30 UTC

Rocket

N-I
MHI
Status: Retired
Payload to LEO: 1,200 kg
Payload to GTO: 360 kg
Stages: 2
Strap-ons: 3
Rocket Height: 34.0 m

Mission Details

Ume 1

The ISS (Ionosphere Sounding Satellite) series of satellites was Japan's first ionosphere sounding satellite project. After reaching orbit, they were named Ume.

ISS a or Ume 1 was used to monitor radio waves in the ionosphere and forecast conditions for optimal use of shortwave communications. A power supply system failure caused Ume to malfunction one month after launching.

Payloads: 1
Total Mass: 139.0 kg
Low Earth Orbit

Location

LA-Y1, Tanegashima Space Center, Japan

Stats

1976

20th orbital launch attempt

N-I

2nd mission
1st mission of 1976
2nd successful mission