Na February 2009 ekwuputara na ESA/NASA nyere ọrụ a ihe kachasị mkpa karịa Titan Saturn System Mission. Ntinye aka nke ESA ka na-eche asọmpi ego site na ọrụ ESA ndị ọzọ. EJSM gụnyere NASA na-eduzi Jupiter Europa Orbiter, ESA na-eduzi Jupiter Ganymede Orbiter, na ikekwe JAXA na-eduzi Jupiter Magnetospheric Orbiter. Ajụjụ: Onye na-eduzi ụgbọelu ahụ na-aga Europa?
NASA