No, IT IS NOT IRRELEVANT. It answers your demand for evidence that the term satellite state is used as a technical term and not a metaphor. It demonstrates that it is not a biased "Western propaganda term" as claimed by Mewulwe because the term was accepted by the Soviet Union in 1944 alongside the UK and the US; or "Cold War rhetoric" as claimed by TFD. You have your answer: It IS a technical term that IS used by international institutions - including the International Court of Justice of the United Nations.