I have been unable to find any information on the masses of the docking / berthing mechanisms used by the ISS. What are the masses of the APAS-95, Active / Passive Common Berthing Mechanism, and Russian probe / drogue docking systems? The best I can find is the mass of the PMA's, the lightest one is 1183 kg, which consists of a passive CBM + permanently passive APAS + additional structure.

  • $\begingroup$ And it is going to get odd, since the NDS (Nasa Docking System) Dragon is bringing on SPX-7 or so is going to 'plug into' the current PMA so how do you count the mass then? Whole system? Each component? $\endgroup$ – geoffc Feb 16 '15 at 13:26

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