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Conversely, missions aiming to establish orbit or conduct complex operations around Jupiter, especially with crewed vehicles, face trade-offs:
More fuel and heavier rockets increase costs and complexity.
Longer travel times expose astronauts to prolonged space radiation and life support challenges.
Inertial limitations mean spacecraft must approach slowly enough to execute precise orbital maneuvers, preventing overshooting.
The Human Factor: Manned Missions to Jupiter
For human missions, these logistical challenges multiply. Current estimates suggest that a crewed trip to Jupiter's moons would take at least four to five years with existing chemical propulsion—an unacceptably long duration considering human health and resource management.