FuseBlox™ are all-in-one spacecraft docking and connection devices for use on nano-, micro-, and small satellites. FuseBlox™ facilitate both soft and hard capture with near-zero momentum transfer and provide high-reliability electrical power and data connectivity. Individual FuseBlox™ are not gendered and are designed to fit a variety of applications. The self-aligning grapple technique accommodates small spacecraft rendezvous misalignments while device symmetry enables four secure mated configurations.