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Program Update from NASA HQ

Program Update from NASA HQ. Ramesh Kakar Weather Focus Area Leader Program Scientist for TRMM, Aqua and GPM July 14, 2008. Program Update. For a 6+ year old satellite Aqua is in good shape Dr. Ed Weiler has replaced Dr. Alan Stern as the AA for SMD

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Program Update from NASA HQ

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  1. Program Update from NASA HQ Ramesh Kakar Weather Focus Area Leader Program Scientist for TRMM, Aqua and GPM July 14, 2008

  2. Program Update • For a 6+ year old satellite Aqua is in good shape • Dr. Ed Weiler has replaced Dr. Alan Stern as the AA for SMD • Mr. Mike Luther promoted to Deputy AA programs • Get ready for End of Prime Mission Review • We need to work with JAXA partners to participate in the GCOM AO • We need to integrate the diverse AMSR-E algorithms • Aqua-wide workshop in June 2009?

  3. AIRS – Nominal Operations All voltages, currents, and temperatures as expected Another episode of AMSU-A1-2 noisy bus current being higher than usual near the south pole began in early May, peaked on May 23, and has (at least temporarily) stopped. We had relatively large episodes in 2005 and 2006. The 2007 event was only about half as strong. This 2008 event, if it is truly over, had a peak only about one-third as high as the 2005 and 2006 peaks. It also had a much shorter duration. AMSU-A –Except for channel 4, AMSU-A is also healthy, with all voltages, currents, and temperatures as expected. An updated Version 5 Level 2 PGE that does not use channel 4 data, but does use all healthy AMSU-A channels, was declared operational at the GES DISC on March 5. AMSR-E - ADE Motor Current Torque Increasing Threshold changed to 4.5 Nm on 07/17/07 - FOT/IOT closely monitoring performance Preparing for July 16th Meeting with JAXA Team on S/C Fault Management response to AMSR-E momentum imbalance CERES - FM4 instrument shortwave anomaly No impact to science data products HSB – OFF (Survival Mode) MODIS – Nominal Operations. Next MODIS Lunar calibration planned for July 13th Instrument Status

  4. Fuel Usage NEEDS UPDATE Ascent Maneuvers Fall 2004 Inclinations Fall 2006 Inclinations Spring 2007 Inclinations

  5. AMSR-E Anomaly(Summary) • April 2007: Noticeable increase in both the ADE motor current and torque and ADA temperature was observed. • May 2007: Series of Teleconferences with JAXA & IOT • 6/26/07: Changed Motor Torque Limit from 2.2 Nm to 3.5 Nm • 7/17/07: Changed the threshold to 4.5 Nm • 8/14-16/07: AMSR-E MOWG in Montana • Reviewed Contingency Procedures for a sudden failure and/or planned shut-down • 8/28/07: FOT/MD/SIFM teleconference with JAXA & IOT • April 17, 2008: Spike in Motor Torque (see plot) • April 24, 2008: FOT/MD/SIFM TIM • Reviewed Red-Limit and Contingency responses • Arranging for teleconference with JAXA/IOT (D&T TBD) • Continuing to prepare for July meeting with AMSR-E Team

  6. ADE Motor Current & Torque(Life of Mission – thru 06/04/08) QuikSCAT experienced similar behavior with its scatterometer antenna bearing assembly – MD obtained copy of the JPL anomaly investigation report – concluded normal wear & tear

  7. Aqua End of Prime Mission Review • Is a technical and scientific assessment by an independent panel of how well the mission met its original science objectives • Documentation of performance and lessons learned • It is an internal SMD/ESD review and not a PM procedural reqmt • A top level summary of schedule and cost performance • Review will be co-chaired by ESD Flight and Research Program Directors • This is a one-time occurrence and documents mission success and achievement whereas the Senior Review is a proposal followed by programmatic evaluation for future operation

  8. Summary • For a 6+ year old satellite Aqua is in good shape • Get ready for End of Prime Mission Review • How do we participate in the GCOM AO? • We need to perform more like a team • Aqua-wide workshop in June 2009?

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