A docking system, configured to dock two opposed surfaces on different spacecraft and comprising a first guideless resilient androgynous serial port (GRASP) mechanism and a second GRASP mechanism , each GRASP mechanism being intended to be attached to one of the two opposed surfaces and configured to be docked to the other GRASP mechanism , each GRASP mechanism comprising: • a base plate having an opening bored through, wherein the base plate has an outward facing connection surface intended to be docked to the other GRASP mechanism ; • a two-piece housing unit secured to the base plate over the opening , the two-piece housing unit defined by a lower housing and an upper housing, the lower housing includes a lip surrounding the opening and a ridge extending from the lip to a circular surface wall extending away from the base plate , and a channel cut out is further defined along a portion of the circular surface wall ; • a docking nut being positioned against the ridge and over the opening , the docking nut having a threaded interior surface and either: an exterior lower ratchet toothed section rotatably situated within the circular surface wall of the lower housing and a pawl mechanism being positioned in the channel cut out and biased to engage the exterior lower ratchet toothed section to permit rotation of the docking nut in a single direction; or a rotational restriction mechanism being positioned against the docking nut within the circular surface wall to engage the docking nut and configured to permit rotation of the docking nut in a single direction; • a drive shaft and a docking screw threaded into the docking nut , the docking screw having an interior channel keyed to receive the drive shaft ; • a motor mechanism configured to rotate the docking screw via the drive shaft ; and wherein the docking screw has a screw length (SL) configured to extend through the docking nut and through the base plate when the docking screw is in an extension position and wherein the docking nut has a nut length (NL) configured to define a receiving space below the docking screw when the docking screw is un-extended through the docking nut whereby the receiving space of the docking nut is further configured to receive a portion of a second docking screw having a screw length (SL) when docking the GRASP mechanism . • a base plate having an opening bored through, wherein the base plate has an outward facing connection surface intended to be docked to the other GRASP mechanism ; • a two-piece housing unit secured to the base plate over the opening , the two-piece housing unit defined by a lower housing and an upper housing, the lower housing includes a lip surrounding the opening and a ridge extending from the lip to a circular surface wall extending away from the base plate , and a channel cut out is further defined along a portion of the circular surface wall ; • a docking nut being positioned against the ridge and over the opening , the docking nut having a threaded interior surface and either: an exterior lower ratchet toothed section rotatably situated within the circular surface wall of the lower housing and a pawl mechanism being positioned in the channel cut out and biased to engage the exterior lower ratchet toothed section to permit rotation of the docking nut in a single direction; or a rotational restriction mechanism being positioned against the docking nut within the circular surface wall to engage the docking nut and configured to permit rotation of the docking nut in a single direction; • a drive shaft and a docking screw threaded into the docking nut , the docking screw having an interior channel keyed to receive the drive shaft ; • a motor mechanism configured to rotate the docking screw via the drive shaft ; and <EOS>