GOES Advanced Instrument Spacecraft Acquisition Strategies

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					       GOES
Advanced Instrument
   & Spacecraft
Acquisition Strategies

            Presented to the
         GOES Users Conference
             Boulder, CO
           May 22-24, 2001
              Del Jenstrom
              NASA/GSFC
       Time Frame

                                      GOES I-M (1994 - 2001 launch ready)
                                                    Loral spacecraft bus
                                                    ITT imager and sounder
                                      GOES N-Q (2003 - 2008 launch ready)
                                                    Boeing spacecraft bus
                                                    ITT imager and sounder

                                      GOES R-U? (2008 - .... launch ready)
                                                    New spacecraft bus
                                                    New imager (ABI) and sounder (ABS)




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Next Generation GOES Procurement Strategies   DTJ NASA/GSFC May 22-24, 2001
   GOES-R Series Requirements

    Formal mission requirements under development by NOAA
                 Four NOAA/NASA working groups
                    •   Mission Requirements and Operations Concept
                    •   Communications and Data Distribution
                    •   Operations Architecture
                    •   Auxiliary Services
    Interim direction
                 GOES-R launch ready in 2008
                    • ABI & ABS
                          – NOAA Technical Requirements Documents (TRDs) issued for both
                    • Other instrument/capability requirements
                          – TBD



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Next Generation GOES Procurement Strategies   DTJ NASA/GSFC May 22-24, 2001
   ABI and ABS Requirements
       Advanced Baseline Imager (Released by NOAA February 2000)
                         Parameter                            Current Imager                   ABI
                     No. Channels                                      5                     8 - 12
                                                                                   15 min full disk
                                                                                   including 5 min CONUS
                     Coverage Rate                        ~ 30 min full disk
                                                                                   & perhaps 30 sec
                                                                                   1000 km x 1000 km
                                                          1.0 km vis               region vis
                                                                                   0.5 km
                     Spatial Resolution
                                                          4.0 km IR                2.0 km IR

       Advanced Baseline Sounder (Released by NOAA December 2000)
                          Parameter                             Current Sounder                      ABS
                                                            13 (LW) to 100 (SW) cm-1   0.6 (LW) to 2.5 (SW) cm-1
              Spectral Resolution
                                                                     (18 bands)              (1532 channels)
              Vertical Resolution                           ~3 km                      <0.5km (>500hPa) to 1 km
              Temperature Accuracy                          ~2 Kelvin                  1 Kelvin
              Humidity Accuracy                             20-30%                     10%
              Operation During Eclipse                      No                         Yes
              Coverage Rate                                 ~40 Soundings/sec          ~200 Soundings/sec
              Data Rate                                     40 kb/s                    10 Mb/s
              Effective sounding size                       5x5 pixels (50x50 km)      Single pixel (10x10 km)
                                                                                                                   4
Next Generation GOES Procurement Strategies   DTJ NASA/GSFC May 22-24, 2001
   GOES Program Schedule
                      CY 94 CY 95 CY 96 CY 97 CY 98 CY 99 CY 00 CY 01 CY 02 CY 03 CY 04 CY 05 CY 06 CY 07 CY 08 CY 09 CY 10
                      1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4
                                                                                 Wheel Tach control failure,
   GOES-8                                                                          One Damaged AOCE
                                                                                          Failing Momentum Wheels,
   GOES-9                                                                                Not Viable as a long term spare

                                                                                                                    Working Nominally,
   GOES-10                                                                                                     Solar Array running in reverse


                                 In Storage On-Orbit
   GOES-11                 Will Replace GOES-8 Someday

   GOES-M

   GOES-N

   GOES-O
                                                                     ITT Inst Opt Date                    Spacecraft Opt Date
   GOES-P
   (Opt)
                                                                                ITT Inst Opt Date                          Spacecraft Opt Date
   GOES-Q
   (Opt)
   ABI                                                                                   Study                  Implementation


   ABS                                                                                           Study               Implementation

   GOES-R                                                                      Study              Study               Implementation
   S/C Launch Readiness Date
            Actual / Planned Launch Date
            Actual Operational Use
            Nominal Operational Use

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Next Generation GOES Procurement Strategies   DTJ NASA/GSFC May 22-24, 2001
       GOES-R Development Plan for
       2008 Readiness
        Set GOES-R readiness in 2008 (same readiness time frame as GOES-Q)
        Do not buy the GOES-Q spacecraft unless GOES-R 2008 readiness in
         doubt
                      Decision milestone in 2005
        Buy the ITT GOES-Q instruments
                      To be used in case GOES-Q spacecraft option exercised
                      Provides warranty instruments in case of GOES N/O/P launch failure
        Target both ABI &ABS for GOES-R and subsequent sats
                      ABI and ABS procured independently
                      Procured directly by NASA for each mission and provided to spacecraft
                       vendor
                      Instrument builder also provides some low-level science data processing
                       algorithms
        New competitive spacecraft procurement for GOES-R Series
                      Mission integrator, including cmd/ctrl, INR, & science data processing
                       ground systems                                                            6
Next Generation GOES Procurement Strategies   DTJ NASA/GSFC May 22-24, 2001
   GOES-R Development Plan
                                                                                                                    Calendar Years

                   2000        2001           2002      2003      2004         2005      2006   2007         2008    2009      2010        2011
                                                                      Boeing/ITT                                            Nominal        Nominal
                                                                     GOES-Q Option                     GOES-Q               GOES-R         GOES-S
                                                                                                       Readiness            Readiness      Readiness
                       GOES-Q ITT Instruments


                                                                                                               GOES-R         GOES-S
                                                                                                             Launch Ready   Launch Ready
                           Arch. Studies
      S/C
                                Prep Proc.Formulation Procure              Implementation              I&T
                        Payload
                        Accom. Study
                        Study

                                                                Eng. Model
      ABI                            Formulation Procure                Implementation



                               RFI                                    Eng. Model
      ABS                          Proc. Formulation Procure                Implementation


                               Design/Tech.
                                   MCR
     NASA
                               Sensor Development
     NMP
                                                        S/C Development
     GIFTS                   PDR              CDR                               Launch


                                                                                                                                                       7
Next Generation GOES Procurement Strategies    DTJ NASA/GSFC May 22-24, 2001
GOES-R Series
Mission Development Status
          Mission Requirements Under Development by NOAA/NASA
           Working Groups
                        Draft of requirements due in June to support spacecraft mission-level
                         formulation study RFP development
          Awarded 6-month Payload Accommodation Study contracts
           to 5 spacecraft vendors in March, 2001
                        Investigate ability to host perceived GOES-R payload
                           • How big/heavy/power hungry can ABI & ABS get before costs escalate?
                           • What are impacts of various communications options on cost and ability to
                             host ABI and ABS?
                           • What is cost/risk/payload impact of 1-wing vs. 2-wing bus design?
                        Mid-term reviews planned for late June
          Planning to issue spacecraft mission-level formulation study
           RFP in January, 2002
                        Multiple awards for competitive 1-year studies                                  8
Next Generation GOES Procurement Strategies   DTJ NASA/GSFC May 22-24, 2001
      ABI Development Status
          Competitive ABI Formulation/Implementation
                        Formulation
                          • Competitive studies at 3 vendors awarded in May, 2001
                                – Ball, ITT, Raytheon SBRS
                          • 18 months duration
                                – First 6 months: Cost/Performance/Risk requirements trade studies to finalize
                                  formulation study requirements
                                   » No. channels, spatial res., keep out zones, rapid local region scanning,
                                      standard I/F, data rate, goal vs. threshold performance, etc.
                                – Refined requirements issued to vendors
                                – Final 12 months: Design development, risk mitigation
                        Implementation
                          • Open competition for implementation contract




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Next Generation GOES Procurement Strategies   DTJ NASA/GSFC May 22-24, 2001
   ABS Development Status
       Competitive ABS Formulation/Implementation
                    Formulation
                       • Procurement plan for ABS currently in state of flux
                                 – Relationship to NASA NMP GIFTS project developing
                       • Draft of ABS performance specification to be released in June 2001
                                 – Based on NOAA ABS TRD received in December, 2000
                                 – Evaluating readiness of GIFTS technology for ABS and potential benefits to
                                   ABS
                                 – ABS formulation contracts will include trade studies to evaluate increased
                                   performance vs. cost and risk
                       • Several science-driven requirements under review by NOAA
                                 – 3 spectral bands vs. 2 bands (GIFTS approach)
                                 – LW coverage: 650-1200 cm-1 or 685-1130 cm-1
                                 – Absolute error in geo location: 2 km or 4 km
                       • Targeting Fall 2001 for release of Formulation Phase RFP
                    Implementation
                       • Open competition for implementation contract
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Next Generation GOES Procurement Strategies   DTJ NASA/GSFC May 22-24, 2001
         Summary
          Plans for procurement of GOES-R series firming up
          Level of activity ramping up quickly
                        3 ABI Formulation Study contracts awarded
                        5 Payload Accommodation Study contracts awarded
                        ABS and Spacecraft Formulation Study RFP’s to be released within 9
                         months
          Level-1 mission requirements in development
                        Draft due from NOAA in June
                        Final due within ~1 year
          Major architecture options being actively explored
                        Key decisions will be made within 1 year

          Even though GOES-R launch readiness is 7 years away,
              we’re moving out and there is no time to waste
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Next Generation GOES Procurement Strategies   DTJ NASA/GSFC May 22-24, 2001