1 / 35

NPOESS Preparatory Project Overview

NPOESS Preparatory Project Overview. Kenneth Schwer NASA NPP Project Manager & James Valenti IPO NPP Project Manager (Acting) October, 2005. Agenda. NPP Origins Roles and Responsibilities Mission Segments Developers Data Products Spacecraft and Instruments Mission Level 1 Schedule.

sanam
Download Presentation

NPOESS Preparatory Project Overview

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

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

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

  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

  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)

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

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

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

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

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

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

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

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

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

  14. NPP Developers

  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 12 Mbps 3 Mbps CrIS/ATMS APS CMIS VIIRS SESS/ AURORA ERBS TSIS ALT OMPS Fly on NPP Fly on NPOESS

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

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

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

  19. 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

  20. 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 +/-523.8 urad/axis (3 sigma) • Pointing knowledge +/-101.8 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

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

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

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

  24. 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

  25. 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 • 21 of 22 VIIRS Bands are located in Atmospheric Windows • VIIRS measures Earth surface and atmospheric/cloud radiance Solar reflection region Thermal emission region RDRs EDR Algorithms SDRs (calibrated, geo-located radiance) SDRAlgorithms

  26. 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

  27. • CrIS • ATMS ±50° Cross track Scans RDR = Raw Data Record SDR = Sensor Data Record EDR = Environmental Data Record RDRs RDRs Decode Spacecraft Data Central or Regional Ground Stations SDRs 0.1 SDR Algorithms 1 Co-located ATMS SDRs Pressure (mb) 10 100 1000 200 210 220 230 240 250 260 270 280 290 Temperature (K) 3x3 Array of CrIS FOVs (Each at 14-km Diameter) EDRs EDR Algorithms CrIS Scanning Track

  28. 22-channels (23.8 GHz – 183.3 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 Advanced Technology Microwave Sounder

  29. (824 Km orbit, NPP) 105.45° BP 1 BP 48 17.6 km Scan spacing BP 49 16.0 km (1.11 degree) Sample interval Footprints (km) Chan Dy Dx 1, 2 323.1 141.8 3-16 136.7 60.0 17-22 68.4 30.0 Footprints (km) Chan Dx, Dy 1, 2 74.8 5.2o 3-16 31.6 2.2o 17-22 15.8 1.1o BP 96 Beam width Subsatellite track Swath = 2503 km +Y (Anti-Sun) +X (Velocity) Cold Cal BP 97-100 Hot Cal BP 101-104 Earth View BP 1-96 ATMS SCANNING TRACK

  30. 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

  31. (Limb Profiler) (Nadir TC) OMPS Scanning Track

  32. DRAFT LEGEND Projected Milestones Aug04 Schedule Critical Path Baseline date (if slipped) Revised from last month NPOESS Preparatory Project (NPP)Level 1 Joint Master Schedule Replan Underway Status as of 7/31/05 2008 2002 2003 2004 2005 2006 2007 Calendar Year Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q3 Q4 Q2 Launch Pre-MOR ORR Launch FIA CRITICAL MILESTONES MPDR MCR EMD MOR MCDR 4/08 NRA Awd 10/06 MRR SPACE SEGMENT EM (FU1) Avail. VIIRS FU1 CDR EDU Del. FU1 EDU 3/07 VIIRS Instrument (IPO) PSR CrIS FU1 FU1 CDR EDU Del. EDU2 Sys DDR 6/06 CrIS Instrument (IPO) PSR CDR PER EDU ATMS PFM 9/05 ATMS Instrument (NASA) PSR EDU Test Complete OMPS FM ATP CDR 7/06 OMPS Instrument (IPO) PSR CDR Launch RFO Awd ORR Lnch PER Bus/IRR IIRR #2 S/C Development (NASA) 9/05 4/08 PSR S/C LV ICD LRD ICD LRD ATP NLS LAUNCH SUPPORT SEGMENT (NASA) Awd Ready LV Ground Ready 11/06 B1.2 CDA B1.3 RFP PDR EMD B1.1 B1.4 B1.4 Ops COMMAND, CONTROL & COMM SEGMENT (IPO) Awd EMD Ground Ready 11/06 B1.2 CDA B1.3 RFP PDR EMD B1.4 B1.4 Ops INTERFACE DATA PROCESSING SEGMENT (IPO) EMD Awd B1.1 ATP SDS SCIENCE DATA SEGMENT (NASA) Ready Rel. Rel. Rel. Rel. Rel. Rel. Rel. Lnch Ver. 10/06 Rel. ARCHIVE & DISTRIBUTION SEGMENT (NESDIS) 4.2 3.0 1.0 4.1 4.0 0.0 2.0/2.1 4.0 4.3 NCT1 NCT3 NCT2a NCT2b NCT4 ORT MISSION SYSTEM INTEGRATION (NASA)

More Related