National Aeronautics and Space Administration International Space Station Capabilities and PldPayload AdtiAccommodations Rod Jones, Manager, ISS Payloads Office www.nasa.gov Current Stage Rod Jones National Aeronautics and Space Administration ISS Payloads Office 2 International Space Station Facts Spacecraft Mass: 799,046 lb (362,441 kg) Velocity: 17,500 mph (28,200 kph) Altitude: 220 miles above Earth Power: 80 kW continuous Science Capability: Laboratories from four international space agencies – US, Europe, Japan, and Russia National Aeronautics and Space Administration 3 Assembly Complete Configuration International Space Station Pressurized Laboratories External Payload Facilities Rod Jones National Aeronautics and Space Administration ISS Payloads Office 4 The Microgravity Environment Median 1/3 Octave Band test Period 4 10 The ISS is equipped with an array of 0-1000s w /o ARIS sensors that monitor perturbations to the ISS REQ 3 1000-2000s w /o ARIS 10 microgravity state on-orbit. 0-2000s w /ARIS 2 Even without the Active Rack Isolation 10 System, vibrations are typically within ISS 1 ro-g RMSro-g 10 requirements. cc ISS Mi ISS 0 10 SAMS F03 Max1/3 Octave Band T2-10-10-2009 4 10 MAX T2(100s) -1 USOS REQ 10 3 10 ISS REQ MA X T2 w A RIS -2 T2 REQ 10 -2 -1 0 1 2 2 10 10 10 10 10 10 SS Freqq( (hz) 1 10 While the Station is at its most “quiet” during ISS Micro-g RM 0 10 the eight hours of crew sleep , the Active Rack Isolation System can be effective even -1 10 during crew exercise. -2 10 -2 -1 0 1 2 10 10 10 10 10 Freq (hz) Rod Jones National Aeronautics and Space Administration ISS Payloads Office 5 Earth Observation Artificial islands of Dubai Expedition 22 Houston at Night Expedition 22 Soufriere Hills volcano Expedition 21 The ISS provides coverage of 85% of the Earth’s surface and 95% of the world’s pppopulated landmass every 1-3 days, depending on orbital track and field-of-view. Rod Jones National Aeronautics and Space Administration ISS Payloads Office 6 Our Windows on the Earth US Laboratory Window 50-cm diameter Telescope-quality optical glass Serv ice MdlModule Wi Widndow 40-cm diameter The Cupola 80-cm diameter (top window) Rod Jones National Aeronautics and Space Administration ISS Payloads Office 7 ON Orbit Resources Provided to Payloads Power 30kw average ~37. 5 Mbps of video (3 lines of video at 12. 5 Mbps each) ~8 Mbps of MRDL data (Science return) Air to Ground Data ~5 Mbps for payload still imagery downlink ~20 Mbps utilized for payload data recorded over LOS 13 U. S. Lab Internal Racks 5 ESA Lab 6 JAXA Lab 8 Truss ELC Platform Sites External Sites 5 JAXA Platform Sites 2 ESA Platform Sites Crewtime 35 hrs per week (average) Rod Jones National Aeronautics and Space Administration ISS Payloads Office 8 Upgrades In Work EhEnhance dPd Processor and Phase A will upgrade the three Command and Control (C&C) MDMs and the two Integrated Communications Guidance, Navigation, & Control (GN&C) MDMs. (EPIC) Project Phase B will upgrade the two Payload MDMs, and add Ethernet support for the C&C and Payload MDMs. Air to Ground High Rate Increase data rates internally and on the RF link (300 Mbps downlink, 7/25 Mbps Communications System uplink) (HRCS) Project Combine audio and video on orbit Provide two way, high quality audio Open the door to internet protocol communications Open the forward link to multiple users Allow for the capability of transmitting & recording HDTV On Orbit External Wireless 100 Mbps 2-way Ethernet capability High Rate 1 Mbps 1553 capability Up to 4 antennas attached to EVA handrails on US Lab Rod Jones National Aeronautics and Space Administration ISS Payloads Office 9 What space is available for research? Science Rack Topology DESTINY 19 NASA payload science racks at Assembly Complete COLUMBUS Utilization Partner Rack at Utilization/ Assembly Stowage/ Complete Future = KIBO = = National Lab is a capacity within the NASA resource Rod Jones National Aeronautics and Space Administration ISS Payloads Office 10 NASA Science Rack Facilities 2 Human 6 ExPRESS Racks Combustion Research MELFI and MELFI-2 ExPRESS-8 ER1 Integrated Rack Facility ER2A Racks ER6 (Galley and Research) Fluids ER3A ER4 Integrated Rack MELFI-3 Euro. Modular Cultivation System (EMCS) Window In ER3A ((yJuly 2006) Observational Research Facility Microgravity Sciences GloveBox ER5 ER7 Materials Science Muscle Atrophy Research Rack Research Exercise SpaceDRUMS System (MARES) Microgravity In ExPRESS 5 Sciences GloveBox 2001 - 2007 On-Orbit2008 - 2009 ULF-5 More detailed information available at http://www.nasa.gov/iss-science/ Click on “Facilities Catalog” Rod Jones National Aeronautics and Space Administration ISS Payloads Office 11 Station to Internal Rack Resources Power 3, 6, or 12 kW, 114.5 - 126 voltage, direct current (VDC) Low Rate MIL-STD-1553 bus 1 Mbps High Rate 100 Mbps Data Ethernet 10 Mbps Video NTSC Nitrogen Flow= 0.1 kg/min minimum; Gases 517-827 kPa, nominal; 1,379 kPa, maximum Argon, carbon dioxide, helium 517-768 kPa, nominal; 1,379 kPa, maximum Moderate temperature 16.1°C – 18.3°C Flow rate 0 - 45.36 kg/h Cooling Loops Low temperature 3.3°C – 5.6°C Flow rate 233 kg/h Venting 10-3 torr in less than 2 h for single payload of 100 L Vacuum Vacuum resource 10-3 torr Rod Jones National Aeronautics and Space Administration ISS Payloads Office 12 ExPRESS Rack Accommodations (Expedite the Processing of Experiments for Space Station) US Lab Module Layout with ISPRs Middeck Locker P/N V502-661604 Features .4 rear captive fastener attachments . Friction hinge . Dual door locks . Installation tool guides on 4 corners Peggy Whitson works the Advanced Astroculture (ADVASC) plant . Weight – 12 lbs growth chamber during Expedition 5 in July 2005 EXPRESS 8/2 Configuration International Standard Payload Rack International Subrack Interface Standard Drawer Secondary Structure & Powered P/N 683-43650 Subsystems Stowage P/ N 683-43656 Features . 4 PU (Panel Unit) 8/2 Payload Configuration (8 . Blind Connectors Middeck Lockers, . Locking Handles 2 Powered ISIS Drawers) . Weight – 27 lbs . Rated to at least 37 lbs Rod Jones National Aeronautics and Space Administration ISS Payloads Office 13 ExPRESS Rack Resources (Expedite the Processing of Experiments for Space Station) System Middeck Locker Locations ISIS Drawer Locations Rack-Level Accommodation 8 Mid deck Lockers Structural 72 lbs. within cg constraints 64 lbs. within cg constraints 2 ISIS Drawers (4 Panel Unit) Power 28 Vdc, 0 – 500 W 28 Vdc, 0 – 500 W 2000 Watts 28Vdc power Air Cooling < 200 Watts <100 Watts 1200 Watts Thermal Control 500 Watts (2 positions per 500 Watts (2 positions per 2 positions per rack System Water Cooling rack) rack) RS422 Analog RS422 Analog RS422 Analog Command and Data Ethernet 5 Vdc Discrete Ethernet 5 Vdc Discrete Ethernet 5 Vdc Discrete Handling Video NTSC/RS170A NTSC/RS170A NTSC/RS170A Vacuum Exhaust ace per rack 1 payload interface per rack System 1 payload interface per rack 1 payload interf Nitrogen 1 payload interface per rack 1 payload interface per rack 1 payload interface per rack Rod Jones National Aeronautics and Space Administration ISS Payloads Office 14 Cold Stowage Accommodations MELFI MERLIN GLACIER Single and Double Coldbag with ICEPAC’s First flight 2006 2007 2008 2006 On-orbit stowage Yes Possible Possible No Transport No Yes Yes Yes Power Yes Yes Yes No On-orbit temperature (oC) +4, -26, -80 +45 to -20 +4 to -185 N/A Transport temperature (oC) N/A +45 to -5 +4 to -160 +4 to -32 Useable volume (L) 175 19 30 6.8/18.7 External volume 1 rack 1 MLE 2 MLE 0.5/1 MLE Rod Jones National Aeronautics and Space Administration ISS Payloads Office 15 Truss Attach Site Usage (ULF6) ELC2 (ULF6) ELC3 AMS Keel Side Side Keel K ide e SS el Side ESP‐3 Keel ELC4 ELC1 (ULF5) National16 Aeronautics and Space Administration External Research Accommodations 1360 - 8618 kg Mass capacity Common Attachment (3000 - 19000 lb) System (CAS) Site 3 kW each on two lines Power (primary, auxiliary) Thermal Passive Low-rate data 1 Mbps (MIL-STD-1553) High-rate data 100 Mbps (shared) Sites available to NASA 6 sites Rod Jones National Aeronautics and Space Administration ISS Payloads Office 17 Recent ISS Assembly Science Facilities NASA Express Logistics Carriers (ELCs) S3 Truss P3 Truss Zenith Starboard ELC2 ELC1, ELC3, & ELC4 ELC2 2 payload sites per ELC Rod Jones National Aeronautics and Space Administration ISS Payloads Office 18 External Research Accommodations Mass capacity 227 kg (500 lb) ELC Single Adapter Volume 1 m3 Resources 750 W, 113 – 126 VDC; Power 500 W at 28 VDC per adapter Active heating, passive Thermal cooling Low-rate data 1 Mbps (MIL-STD-1553) Medium-rate data 6 Mbps (shared) Sites available per ELC 2 sites To ta l ELC s ites ava ilabl e 8it8 sites Rod Jones National Aeronautics and Space Administration ISS Payloads Office 19 Recent ISS Assembly Science Facilities Japanese Experiment Module - Kibo • 5 external payload sites allocated to NASA on the JEM Exposed Facility • 6 internal active payload rack locations allocated to NASA inside the JEM Pressurized Module Rod Jones National Aeronautics and Space Administration ISS Payloads Office 20 External Research Accommodations 550 kg (1,150 lb) at standard site Mass capacity 2,250 kg (5,550 lb) at JEM-EF R esources large site Volume 1.5 m3 Power 3-6 kW, 113 – 126 VDC Thermal 3-6 kW cooling Low-rate data 1 Mbps (MIL-STD-1553) High-rate data 43 Mbps (shared) Sites avail abl e t o NASA 5it5 sites Rod Jones National Aeronautics and Space Administration ISS Payloads Office 21 External Research Accommodations