- Family: S-Series
- Length: 9.7 m
- Diameter: 0.5 m
- Launch Mass: 3 T
- Low Earth Orbit Capacity: 4 kg
The SS-520-4 was manufactured by Japan Aerospace Exploration Agency with the first launch on 2017-01-14. SS-520-4 has 0 successful launches and 1 failed launches with a total of 1 launches. The fourth configuration of SS-520. It would have been the smallest and lightest vehicle to put something into orbit, but it lost telemetry and was told to abort, falling into the ocean.
Manufacturer

The Japan Aerospace Exploration Agency (JAXA) is Japan's national aero-space agency. Through the merger of three previously independent organizations, JAXA was formed on 1 October 2003. JAXA is responsible for research, technology development and the launch of satellites into orbit, and is involved in many more advanced missions, such as asteroid exploration and possible manned exploration of the Moon. JAXA launch their Epsilon vehicle from the Uchinoura Space Center and their H-II vehicles from the Tanegashima Space Center. Japan Aerospace Exploration Agency is a Government JPN entity that was founded in 2003 and is administered by Administrator: Hiroshi Yamakawa.
Japan Aerospace Exploration Agency has 31 successful launches and 4 failed launches with a total of 35 launches.