Interstellar Technologies is a Japanese space-transport and satellite-communications company headquartered in Taiki, Hokkaido. It developed the MOMO suborbital sounding rocket, which reached space in 2019, and is developing the ZERO orbital launcher. Its broader strategy combines launch-vehicle development with satellite communications infrastructure. The company conducts rocket engineering and testing in Japan and provides a commercial counterpart to the country’s established government-led launch sector.