Japanese Experiment Module

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ISS JAXA JEM module

The Japanese Experiment Module (JEM) (Japanese: Kibō きぼう, Hope) is a Japanese space module for the International Space Station. It is the largest planned module for the ISS. It has been built and delivered to the United States.

Launch plans and progress

On 2008-03-11 the Experiment Logistics Module Pressurized Section (ELM PS) was launched into orbit aboard Space Shuttle Endeavour as part of the STS-123 mission.^[1] The ELM PS had arrived at Kennedy Space Center (KSC) on 2007-03-12.^[2]

On 30 May, 2003 the Pressurized Module (ELM PM) left Japan for KSC,^{[citation needed]} and is now in the Space Station Processing Facility.

As of March 2008, NASA plans to launch the entire JEM complex in three flights:

• ELM PS: launched 11 March, 2008 on STS-123.
• Kibo Pressurized Module (PM), JEM Sys Racks, Remote Manipulator System (JEM RMS) - 25 May, 2008 (Shuttle flight STS-124).
• Exposed Facility (EF) - Possibly April 2009, Under Review (Shuttle flight STS-127). Launch Schedule.

Components

Kibō consists of four primary components:

• The Pressurized Module (PM) is the core component. It is a cylindrical shape, 11.2 meters (37 ft) long and 4.4 meters (14 ft) in diameter. It contains ten International Standard Payload Racks (ISPRs).
• The Exposed Facility (EF), also known as 'Terrace', is located outside the port cone of the PM (which is equipped with an airlocked hatch). Experiments are fully exposed to the space environment.
• The Experiment Logistics Module (ELM) includes two sections:
  • The Japanese Experiment Logistics Module, Pressurized Section (ELM PS) –- also called the JLP^[3] –- is a pressurized addition to the PM which was launched on STS-123. The JLP has been initially be attached to the Harmony module. Upon delivery of the Pressurized Module, the ELM will be relocated to atop the PM.
    • • The unpressurized section will serve the EF. It is intended as a storage and transportation module.
    • The Remote Manipulator System (JEMRMS) is a robotic arm, mounted at the port cone of the PM, intended to service the EF and to move equipment from and to ELM.

    Specifications

    Image:ISS Kibo module.jpg

    JEM PM module in assembly
    Image:Kibo ELM-PS module in April 2007.jpg

    JEM ELM module in assembly

    Kibō is the largest single ISS module.

    • Pressurized Module
      • Length: 11.2 m
      • Diameter: 4.4 m
      • Mass: 15,900 kg
    • Experiment Logistics Module
      • Length: 3.9 m
      • Diameter: 4.4 m
      • Mass: 4,200 kg

    Planned experiments on Kibo

    MAXI X-ray astronomy from 0.5 to 30 keV^[4]
    SMILES observes and monitors very weak sub-millimeter wave emission lines of trace gas molecules in the stratosphere^[5]
    CALET Observation for high energy. Launch 2012 through HTV, Mass: 2500 kg^[6]

    References

    1. ^ NASA's Shuttle Endeavour Begins Mission to the Space Station. NASA.
    2. ^ International Space Station Module From Japan Arrives at NASA. NASA.
    3. ^ All Aboard for STS-123: The Station Goes Global. NASA.
    4. ^ Monitor of All-sky X-ray Image: MAXI. JAXA.
    5. ^ Superconducting Submillimeter-wave Limb-emission Sounder: SMILES. JAXA.
    6. ^ The CALET project for investigating high energy universe

    
    

    External links

    • NASDA's site on JEM
    • KIBO at JAXA site

    v • d • e Japanese space program
    Earth observation	Akebono · Aqua1 · Daichi · GCOM-W · GEOTAIL · GOSAT1 · GPM · JERS-1 · TRMM1
    Comms, positioning and engineering tests	ETS-VIII · EGP/EGS · Kodama · Kirari · QZSS · REIMEI · SDS · Sohla 1 and 2 · WINDS
    Astronomical observation	AKARI · Suzaku · ASTRO-G · Hinode · REIMEI
    Lunar and planetary exploration (unmanned)	Current BepiColombo (with ESA) · Hayabusa · PLANET-C · SELENE Other LUNAR-A (cancelled) · Hayabusa 2 (status unclear) · Selene-2 (proposed)
    Human spaceflight	International Space Station (ISS) (joint) · H-II Transfer Vehicle
    Missions completed	Sakigake · Suisei · Yohkoh · ASCA · HALCA · Nozomi · MDS-1 · Adeos II · Micro Lab Sat 1
    Italics indicates projects in development.   1 with NASA.

    v • d • e Components of the International Space Station
    In orbit	Zarya (Functional Cargo Block) · Unity (Node 1) · Zvezda (Service Module) · Destiny (Laboratory) · Quest Joint Airlock · Pirs docking module · Harmony (Node 2)  · Columbus (Laboratory) · Kibō (ELM PS)	Image:ISS insignia.svg
    Launched periodically	Multi-Purpose Logistics Modules (MPLMs)
    Scheduled for Shuttle	Kibō (JEM) · Node 3 · Cupola · Docking Cargo Module (DCM) · ExPRESS Logistics Carriers (ELCs) (five)
    Scheduled for Proton	Multipurpose Laboratory Module (MLM) · European Robotic Arm (ERA)
    Other subsystems	Integrated Truss Structure (ITS) · Canadarm2 (MSS) · Dextre (SPDM) · External Stowage Platforms (ESPs) · Pressurized Mating Adapters (PMAs)
    Canceled or unused	Centrifuge Accommodations Module (CAM) · Interim Control Module (ICM) · Universal Docking Module (UDM) · Docking and Stowage Module (DSM) · Habitation Module · Crew Return Vehicle (CRV/ACRV) · Propulsion Module · Science Power Platform (SPP) · Russian Research Module (RM)
    Support vehicles	Space Shuttle · Soyuz · Progress · Automated Transfer Vehicle (ATV) · H-II Transfer Vehicle (HTV) · Dragon · Orion
    ISS assembly (sequence)

    cs:Kibō

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