Launch of IBUKI Special Site

Piggyback Payloads

(Rocket Image: Courtesy of Mitsubishi Heavy Industries, Ltd.)

A piggyback payload launch utilizes the excessive launch capability of the rocket to launch small satellites that are made by a private company or university. The aim is to expand the base of space development and utilization in Japan by establishing a system to provide easy and quick launch and operation opportunities for small satellites, and help educate and nurture human resources by encouraging small satellite projects.

Seven baby satellites, six small satellites selected through public tender and one JAXA small satellite, are scheduled to be launched by the H-IIA Launch Vehicle No. 15 with the "IBUKI."


The aim of the project is to connect the dreams of disabled children with space.
The satellite features the following:
- Autonomous onboard control system
- Inflatable deployable boom
- Mission (debris detection, Aurora electric current observation, Design for reducing residual magnetism)

Kagawa University

This aims to conduct a tether space robot technology demonstration.
A verification of tether extension by parent and child satellites will also be carried out.

Tokyo Metropolitan College of Industrial Technology

The goal is to perform a demonstration of the micro cluster and three axis attitude control functions.

The University of Tokyo

This satellite will conduct an experiment on earth image acquisition by using an expandable refracting telescope.
A technological demonstration and verification of the ultra-small satellite bus made of commercial products will also be conducted.
It will also provide various amateur radio services


This will contribute to more vibrant activities for local industries.
It will measure thunder and lightening.

Tohoku University

The project will observe the sprite phenomenon and gamma radiation of the earth's origin.

Small Demonstration Satellite-1 (SDS-1)
Japan Aerospace Exploration Agency

This satellite has a multi-mode integrated transponder.
It will carry out on-orbit verification of the space wire demonstration module.
On-orbit verification of a cutting-edge micro processor will also be performed.

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