I'm curious about laws in this case. Is there 'jurisdiction' in space? Or is it just whoever is there can decide what they want to do.
Article VI is most relevant to your question; here's a law review article summarizing some of the issues: https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1...
Japan: That's not your government.
No I don't. What's your point?
If aiding genocide was a concern Japan would have stopped development of the satellite at any point during the last 5 years.