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UDM (USM)

UDM

UDM (Universal Docking Module, USM, Universalny Stikovochny Modul') was a module for the ISS complex, which was to be the hub for a number of Russian modules.

USM was to have a unit to recycle of water from urine, a bath chamber and power management facilities. It was to have tanks for 5 t of fuel and five docking ports for crew vehicles, automatic supply ships and scientific modules.

To the radial docking ports following modules were planned to be docked:

  • RM 1 (Research Module)
  • RM 2 (Research Module)
  • LSM (Life Support Module)
  • DC 2 (Docking compartment)

When the Life Support Module was cancelled, some of the LSM equipment was to be integrated with UDM.

USM was to be launched on a Proton-K launch vehicle in late 2000 or early 2001.

Originally it was considered converting the back-up FGB-2 into USM, but this was found to be to complicated. In the last phases of the UDM program, when the number of modules to be docked has been reduced, this conversation was considered again. Eventually FGB-2 was converted to MLM-U (Nauka).

Nation: Russia
Type / Application: Space Station module
Operator: Rosaviakosmos
Contractors: GKNPTs Khrunichev
Equipment:
Configuration: TKS Type
Propulsion:
Power: 2 deployable solar arrays, batteries
Lifetime: 15 years
Mass: 20300 kg
Orbit: 400 km × 400 km, 51.6° (typical)
Satellite COSPAR Date LS Launch Vehicle Remarks
UDM (USM) - cancelled Ba Proton-K

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