NPOESS Preparatory Project Overview Kenneth Schwer NASA NPP Project Manager & James Valenti IPO NPP Project Manager (Acting) October, 2005

MSO - 2 Agenda NPP Origins Roles and Responsibilities Mission Segments Developers Data Products Spacecraft and Instruments Mission Level 1 Schedule

MSO - 3 NPP Origins NPP is a joint partnership between NASA’s Science Mission Directorate (formerly the Office of Earth Sciences (OES)) and the NPOESS Integrated Program Office (IPO) initiated in 1998 –Feasibility study began in November 1998 –Formulation began in November 1999 –NASA Confirmation Review completed in November 2003 The partnership provides both organizations with considerable cost savings while achieving their key program objectives: –To provide NASA with continuation of a group of global change observations initiated by the Earth Observing System (EOS) TERRA, AQUA, and Aura missions –To provide the NPOESS operational community with pre- operational risk reduction demonstration and validation for selected NPOESS instruments, and algorithms, as well as the ground system

MSO - 4 NPP Roles / Responsibilities IPO Joint Program Management VIIRS Instrument CrIS Instrument OMPS Instrument Command, Communications, Control Segment (C3S) Interface Data Processing Segment (IDPS) Mission Operations NASA Joint Program Management Mission systems engineering, integration, and test ATMS Instrument Spacecraft and integration Launch vehicle and associated activities Science Data Segment (SDS) NOAA / NESDIS Archive & Distribution Segment (ADS)

MSO - 5 Mission Segments and Responsibilities Space Segment -NASA -IPO -NOAA Command, Control & Communication Segment (C3S) Command, Control & Communication Segment (C3S) Manage Mission Manage Satellite Operations Space/Ground Communication Data Routing & Retrieval Manage Mission Manage Satellite Operations Space/Ground Communication Data Routing & Retrieval Launch Support Segment (LSS) Launch Support Segment (LSS) Launch vehicle Launch Support Payload Processing support Launch vehicle Launch Support Payload Processing support Space Segment Spacecraft ATMS VIIRS CrIS OMPS VIIRS CrIS OMPS Interface Data Processing Segment (IDPS) Interface Data Processing Segment (IDPS) Ingest and validate raw SMD Process RDRs, SDRs, EDRs Perform operations cal proc Distribute data records Ingest and validate raw SMD Process RDRs, SDRs, EDRs Perform operations cal proc Distribute data records Archive & Distribution Segment (ADS) Archive & Distribution Segment (ADS) Ingest & validate data records Manage archive Interface with users Ingest & validate data records Manage archive Interface with users Science Data Segment (SDS) Science Data Segment (SDS) Ingest and validate RDRs Support Climate Research Ingest and validate RDRs Support Climate Research

NPP External Interface NPP Mission System System Context Application Processing Systems (Centrals) Space Network (SN) Direct Broadcast User Environment User Community Ancillary Data Systems Radiances GPS Navigational Signal SN Schedule S-Band Downlink Cmd Uplink Quality Report SN Schedule Request S-Band Crosslink Encrypted RT Cmds High Rate Data (HRD) Broadcast Ancillary DataProduct Subscriptions Application Products RDRs, SDRs, EDRs Queries Product Requests Payments Query Responses Billing Products Mission Status Global Positioning System (GPS) MSO - 6 Command, Control & Communication Segment (C3S) Command, Control & Communication Segment (C3S) Interface Data Processing Segment (IDPS) Interface Data Processing Segment (IDPS) Launch Support Segment (LSS) Launch Support Segment (LSS) Archive & Distribution Segment (ADS) Archive & Distribution Segment (ADS) Science Data Segment (SDS) Science Data Segment (SDS) Space Segment

Command, Control & Communication Segment (C3S) Command, Control & Communication Segment (C3S) Interface Data Processing Segment (IDPS) Interface Data Processing Segment (IDPS) Launch Support Segment (LSS) Launch Support Segment (LSS) Archive & Distribution Segment (ADS) Archive & Distribution Segment (ADS) Science Data Segment (SDS) Science Data Segment (SDS) Satellite Control Data Collection Narrow Band Comm Wide Band Comm Thermal Management Electrical Power Failsafe Protection VIIRS CrIS SpacecraftInstruments Space Segment Ground Support Equipment ATMS OMPS S/C Sensor MSO - 7

Command, Control & Communication Segment Mission guidance External reporting Plan mission events Build Command Seq Maintain Satellite DBs Manage MissionManage Satellite Operations Monitor & Control Satellite Prepare & Send Commands Perform Eng & Analysis Analyze Flight Dynamics Simulate Satellite Maintain Flight S/W Command, Control & Communication Segment (C3S) Command, Control & Communication Segment (C3S) Interface Data Processing Segment (IDPS) Interface Data Processing Segment (IDPS) Launch Support Segment (LSS) Launch Support Segment (LSS) Archive & Distribution Segment (ADS) Archive & Distribution Segment (ADS) Science Data Segment (SDS) Science Data Segment (SDS) Space Segment MSO - 8

Control ground comm Position antenna Uplink satellite loads Receive telemetry Receive SMD Preprocess Downlinked data Rate buffer pre-processed data Compare received vs. transferred Space / Ground CommData Routing & Retrieval Provide inter-segment comm Provide intra-segment comm for C3S and IDPS Command, Control & Communication Segment (C3S) Command, Control & Communication Segment (C3S) Interface Data Processing Segment (IDPS) Interface Data Processing Segment (IDPS) Launch Support Segment (LSS) Launch Support Segment (LSS) Archive & Distribution Segment (ADS) Archive & Distribution Segment (ADS) Science Data Segment (SDS) Science Data Segment (SDS) Space Segment Command, Control & Communication Segment MSO - 9

Interface Data Processing Segment Manage internal resources Ingest pre-processed SMD Process RDRs, SDRs, EDRs Perform operational cal processing Provide data to Centrals Provide data records to ADS & SDS Interface Data Processing Segment Command, Control & Communication Segment (C3S) Command, Control & Communication Segment (C3S) Interface Data Processing Segment (IDPS) Interface Data Processing Segment (IDPS) Launch Support Segment (LSS) Launch Support Segment (LSS) Archive & Distribution Segment (ADS) Archive & Distribution Segment (ADS) Science Data Segment (SDS) Science Data Segment (SDS) Space Segment MSO - 10

Science Data Segment Prototype future ESE data systems Assess EDRs for climate research Recommend improvements to algorithms and calibration Science Data Segment Command, Control & Communication Segment (C3S) Command, Control & Communication Segment (C3S) Interface Data Processing Segment (IDPS) Interface Data Processing Segment (IDPS) Launch Support Segment (LSS) Launch Support Segment (LSS) Archive & Distribution Segment (ADS) Archive & Distribution Segment (ADS) Science Data Segment (SDS) Science Data Segment (SDS) Space Segment MSO - 11

Archive & Distribution Segment Ingest and validate data records Manage archive Service user requests Process orders Handle billing and accounting Distribute products Archive & Distribution Segment Command, Control & Communication Segment (C3S) Command, Control & Communication Segment (C3S) Interface Data Processing Segment (IDPS) Interface Data Processing Segment (IDPS) Launch Support Segment (LSS) Launch Support Segment (LSS) Archive & Distribution Segment (ADS) Archive & Distribution Segment (ADS) Science Data Segment (SDS) Science Data Segment (SDS) Space Segment MSO - 12

Launch Support Segment Launch Vehicle (Delta II 7920) Launch Pad Launch Support Payload Processing Launch Support Segment Command, Control & Communication Segment (C3S) Command, Control & Communication Segment (C3S) Interface Data Processing Segment (IDPS) Interface Data Processing Segment (IDPS) Launch Support Segment (LSS) Launch Support Segment (LSS) Archive & Distribution Segment (ADS) Archive & Distribution Segment (ADS) Science Data Segment (SDS) Science Data Segment (SDS) Space Segment MSO - 13

MSO - 14 NPP Developers Segments/ Elements ContractorAgencyStatus ATMSNGESNASA-GSFCEDU Complete PFM Environmental Testing CrISNGST/ ITTIPOEDU Complete Flight Development OMPSNGST/ Ball AerospaceIPOFlight Development VIIRSNGST/ RaytheonIPOEDU Development SpacecraftBall AerospaceNASA-GSFCQualification Complete Launch VehicleBoeingNASA-KSCATP Issued C3NGST/ RaytheonIPODevelopment IDPSNGST/ RaytheonIPODevelopment ADSCSCNOAADevelopment SDSGSFCNASA-GSFCDetailed Design

MSO - 15 NPOESS and NPP Mission Deliverables Are Data Products Raw Data Records (RDRs) –Similar to Level 1A for CEOS/NASA –~ 150 giga bytes per day (similar to Terra or Aqua) Sensor Data Records (SDRs) –Similar to CEOS/NASA Level 1B Environmental Data Records (EDRs) –Similar to CEOS/NASA Level 2 –NPP Provides 25 of 55 NPOESS EDRs VIIRS OMPS CrIS/ATMS CMIS SESS/ AURORA ERBS TSIS ALT Fly on NPP Fly on NPOESS 12 Mbps 3 Mbps APS

MSO - 16 NPP Data Product Definitions A/D Conversion Packetization Compression Anc. Sensor Data CCSDS (mux, code, frame) Comm Xmitter SENSORS OTHER SUBSYSTEMS Cal. Source \ Data Store ENVIRONMENTAL SOURCE COMPONENTS SPACE SEGMENT RDR Production EDR Production SDR Production EDR Level SDR Level RDR Level IDPS Comm Receiver Comm Processing CCSDS Level C 3 S TDR

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MSO - 20 NPP Space Segment Space Segment NESDIS Central AFWA Central NPP System Architecture GPS WSC LEO & A Backup T&C TDRSS Launch Support Segment Launch Support Segment Direct Broadcast User Climate User Community I/F Data Proc Segment I/F Data Proc Segment Infra Ingest Process Data Del Infra Ingest DQM Process Data Del NPP Mission Data Command and Telemetry Key: Archive & Dist Segment Ingest Archive Interchange Archiver Robotic Storage Datastore Inventory Command, Cntrl & Comm Segment Command, Cntrl & Comm Segment GSE - Svalbard Primary T&C NPP SMD Mission Mgmt Center - Suitland Flight Operations Team Enterprise Management Mission Management Satellite Operations Data Monitoring & Recovery Data Handling Node Data Routing & Retrieval MSO - 20 Science Data Segment Science Data Segment SD3E Land PEATE Ocean PEATE Ozone PEATE Atmos PEATE NICSE Sounder PEATE I&TSE Data Mgt

MSO - 21 Space Segment Elements VIIRS ATMS CRIS SMD ANT CERES HRD ANT TT&C ANT PROP MODULE OMPS MEB OMPS NADIR OMPS LIMB Space Segment is comprised of six elements –Spacecraft –VIIRS –CrIS –ATMS –OMPS –Ground Support Equipment

MSO - 22 BCP-2000 Spacecraft for NPP BCP2000 used for: Digital Globe's: QuikBIRD (9/01) NASA’s QuikSCAT (6/99) ICESat (1/03) Cloudsat (9/05) 5 year lifetime (Ps = 0.87) Two MIL-STD-1553 data busses (SC + PL) NPP Modifications: Mission Mass 2270 kg SC Mass 1504 kg Max Payload Mass available 766 kg Mission Power (EOL) 2441W SC Power 1494 W Max Payload Power available 723 W IEEE-1394 data bus (PL) Two-battery power system

MSO - 23 BCP-2000 Spacecraft for NPP Most SC components on the Zenith deck 3-panel solar array wing assembly Triple-junction Ga-As/Ga-In-P/Ge solar cells 22 IPV, 85 A-Hr batteries Prop module, RF comm, RWAs, TARAs, Torque Rods mounted internally Position knowledge to +/-75 m/axis (3 sigma) Pointing control +/ urad/axis (3 sigma) Pointing knowledge +/ urad/axis (3 sigma) 268 Gb EOL science data storage (3.5 orbits) T&C and GPS antennas on Zenith deck T&C, HRD, SMD antennas on Nadir deck Heat pipe interface for ATMS VIIRS mounting coupled to bus star trackers Two sets of four 22N thrusters

MSO - 24 NPP Nadir Deck View Instruments lined up along cold facing panel ATMS and VIIRS EM heat pipe radiators mounted to cold facing panel CrIS and VIIRS cyro- radiators FOV to cold space on cold facing side Nadir facing antennas –T&C –HRD –SMD VIIRS CrIS ATMS OMPS

MSO - 25 NPP Zenith Deck View Majority of S/C components are mounted on zenith deck Propulsion module Launch vehicle interface 3-panel solar array wing assembly Zenith facing antennas –T&C to TDRSS –GPS RF Comm boxes, RWAs, TARAS and Torquerods are mounted internally

MSO - 26 ATMS/OMPS EDUs Integrated ATMS EDU (w/ cover installed) Mounted to heat-pipe assembly OMPS BBMEB OMPS pattern Generation Test equipment Install CrIS here Install VIIRS here

MSO - 27 Visible Infrared Imaging Radiometer Suite VIIRS: –Continuous Cross-track scanner –22 spectral bands –VisNIR, DNB, SWMIR, LWIR Heritage from MODIS on EOS Terra/Aqua Supplier: Santa Barbara Remote Sensing (Raytheon) Key Subcontractors (NPOESS): –Rotating Telescope - AXSYS –FPA’s, Raytheon Vision Systems –Scan motor/encoder -BEI VIIRS Engineering Development Unit (EDU) is now in test VIIRS FU1 is being developed for NPP

MSO - 28 VIIRS Products EDRs Imagery Sea Surface Temperature Soil Moisture Aerosols (3) Cloud Properties (7) Surface Albedo Land Surface Temperature Vegetation Index Snow Cover Land Surface Type Active Fires (ARP only) Ice Surface Temperature Net Heat Flux Ocean Color/Chlorophyll Sea Ice Characterization SDRs (calibrated, geo-located radiance) 21 of 22 VIIRS Bands are located in Atmospheric Windows VIIRS measures Earth surface and atmospheric/cloud radiance SDR Algorithms EDR Algorithms Thermal emission region Solar reflection region RDRs

MSO - 29 Cross-Track Infrared Sounder The Cross-track Infrared Sounder (CrIS) is a key sensor –Fourier Transform Spectrometer providing high resolution IR spectra: –Fields of Regard each 3 x 3 FOVs –Photovoltaic Detectors in all 3 bands –4-Stage Passive Detector Cooler –14 km nadir spatial resolution –2200 km swath width –On-board internal calibration target Science pioneer: AIRS on EOS Aqua Supplier: ITT Industries Key subcontractors: –ABB Bomem, Interferometer, ICT & SDR algorithm –DRS, detectors –AER, EDR algorithm

MSO - 30 CrIS Scanning Track RDRs EDR Algorithms Decode Spacecraft Data SDR Algorithms ±50° Cross track Scans CrIS ATMS 3x3 Array of CrIS FOVs (Each at 14-km Diameter) Central or Regional Ground Stations RDR = Raw Data Record SDR = Sensor Data Record EDR = Environmental Data Record SDRs RDRs Temperature (K) Pressure (mb) EDRs Co-located ATMS SDRs

MSO - 31 Advanced Technology Microwave Sounder 22-channels (23.8 GHz – GHz), functional-equivalent follow-on to AMSU-A and MHS, with improved sampling and coverage Total-power, two-point external calibration, self calibrated Continuous cross-track scanning, with torque & momentum compensation Orbits: 833 km (NPOESS); 824 km (NPP); sun-synchronous Four modes: Off/Survival, Safe Hold, Diagnostic, Operational Software upload capability; none required Built-in diagnostics capability In Operational Mode, operate continuously without additional commands Thermal control by spacecraft cold plate

MSO - 32 ATMS SCANNING TRACK 17.6 km Scan spacing Swath = 2503 km 16.0 km (1.11 degree) Subsatellite track Sample interval (824 Km orbit, NPP) Footprints (km) Chan  x,  y 1, o o o Beam width ° Footprints (km) Chan  y  x 1, X (Velocity) +Y (Anti-Sun) BP 1 BP 48 BP 49 BP 96 Earth View BP 1-96 Cold Cal BP Hot Cal BP

MSO - 33 Ozone Mapping Profiler Suite Provides Ozone Total-Column and Profile measurements –Enables calculations of corresponding EDR Comprises 3 subsystems –Nadir Sensor, Limb Sensor, Main Electronic Boxes (MEB) –Sensors use identical FPAs Nadir Sensor comprises 2 co- boresighted spectrometers: –Nadir Total-Column ( 300 to 380 nm) >Based on TOMS heritage >2800 km cross-track swath (110° FOV) –Divided in 35 bins (50 km at nadir) –Nadir Profile (250 to 310 nm) >Based on SBUV2 heritage >250 km x 250 km cell Limb Sensor measurements are made through 3 aft-viewing slits ─1.95* degrees FOV ─290 to 1000 nm spectral range ─1 km sampling interval ─Boresight at ~ 27.3° from velocity vector to look at Earth limb

MSO - 34 OMPS Scanning Track ( Nadir TC) (Limb Profiler )

MSO - 35 LRD NPOESS Preparatory Project (NPP) Level 1 Joint Master Schedule Status as of 7/31/05 Replan Underway Projected Milestones Aug04 Schedule Critical Path Baseline date (if slipped) Revised from last month LEGEND DRAFT Calendar Year CRITICAL MILESTONES SPACE SEGMENT VIIRS Instrument (IPO) CrIS Instrument (IPO) ATMS Instrument (NASA) S/C Development (NASA) LAUNCH SUPPORT SEGMENT (NASA) COMMAND, CONTROL & COMM SEGMENT (IPO) INTERFACE DATA PROCESSING SEGMENT (IPO) SCIENCE DATA SEGMENT (NASA) ARCHIVE & DISTRIBUTION SEGMENT (NESDIS) OMPS Instrument (IPO) MISSION SYSTEM INTEGRATION (NASA) Q4Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1 Q2 Q EDU MPDR Ops EMD Awd Ground Ready 11/06 PDRRFP EMD Ops EMD Awd Ground Ready 11/06 PDR RFP EMD Rel. 0.0 ORR Lnch PSR RFOAwd S/C Bus/IRR NLS Awd LRD Awd 10/06 Launch Pre-MOR ORR MRR EMD PSR 3/07 VIIRS FU1 CDR EDU Del. Sys DDR EDU PER PSR CDR ATMS PFM 9/05 LV Ready Rel. 1.0 B1.4 ATP 7/06 B1.3 CDR 2.0/2.1 Rel EDU2 PSR B1.1 B1.2 B1.4 B1.3 MCR NRA Rel. EDU Test Complete CDR PER CDA B1.1 MCDR 6/06 Rel. NCT1NCT3 NCT4 ORT NCT2a ATP SDS Ready NCT2b CrIS FU1 FIA B1.2 OMPS FM ICD EDU Del. EM (FU1) Avail. FU1 4/08 Launch 4/08 Launch FU1 MOR ICD LV B Rel Rel. 4.3 Lnch Ver. 10/06 Rel. IIRR #2 9/05