ISS b (Ume 2), Japan's second ionosphere-sounding satellite, launched on an N-I from Tanegashima LP-N into low Earth orbit as a replacement for Ume 1 to monitor ionospheric radio conditions for shortwave communications.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 141 kg
- Flight
- 4th
- of 7 N-I flights
- Date and time
- 16 February 1978, 04:00 UTC
- Rocket
- N-I
- Builder
- MHI
- Launch site
- Osaki Launch Complex, Tanegashima Space Center, Japan
- Payload
- Earth Science
- International designator
- 1978-018
- Launches in 1978
- 18th of 128
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas