Momo is a Japanese sounding rocket capable of delivering 20 kg to a height of 100 km. It is privately developed by Interstellar Technologies Inc. (IST). The v1 upgrade includes a higher thrust engine with a silica fiber reinforced plastic nozzle, as well as increased mass and length.
Interstellar Technologies, Inc. (Japanese: インターステラテクノロジズ（株） Hepburn: Intāsutera Tekunorojizu (kabu)) is a Japanese NewSpace company. It is a rocket spacelaunch company developing the MOMO launcher. Its stated goal is to reduce the cost of access to space. In 2017, it became the first Japanese company to launch a privately developed space rocket, though the launch was unsuccessful. The company plans to complete a rocket by 2020 that would be capable of launching small satellites into orbit.