Philae Status and News Venezia; 30 st of March th Philae Post-Launch Workshop

2 4 th Post Launch Philae Science WS, Venezia, March 2009 Overview  Philae In-flight Activities  Ground Activities  LCC Funding Situation

3 4 th Post Launch Philae Science WS, Venezia, March 2009 Flight Events  In 2008/09 Philae was switched on during 6 operational blocks:  Šteins Rehearsal(Apr 2008)  Active Checkout PC8 (July 2008)  Šteins Flyby(September 2008)  COSAC/CIVA Contingency Slot(November 2008)  Passive Checkout PC9(January 2009)  Thermal Characterization(February 2009)  Operations Activities successful  Problems / Areas of concern (mostly known problems)  Increased secondary battery discharge  Temperature gradients inside Lander higher than estimated  DPU1 booting problem at low temperatures  ESS converter temperatures  Certain deficiencies in CDMS S/W 6.98 (compared to 7.0)  COSAC HV problems with new SW not understood

4 4 th Post Launch Philae Science WS, Venezia, March 2009 Philae In-flight Operations (I)  Šteins Flyby Rehearsal  Test of Solar generator (successful)  Shadowing affects lead to “initial confusion”…  Active Payload Checkout #8 (July 2008)  Maintenance:  New operations:  Upload of CDMS S/W 6.98  Problems:  CDMS  COSAC  CIVA  APX

5 4 th Post Launch Philae Science WS, Venezia, March 2009 Status of CDMS S/W  Version 6.98 successfully uploaded in PC8  It was recommended by the last LOWG#12 to upload final SW version 8.0 prior to DSH (deep space hibernation) in PC12  Workshops for SDL and LTS established; inputs to CDMS SW still pending; due end of April (next SDL/LTS meetings 27/28-April 2009)  Several mission critical aspects need to be taken care of  CDMS SW delivery planned for September 2009  Verification period September to November 2009  SW Upload in April 2010

6 4 th Post Launch Philae Science WS, Venezia, March 2009 Philae In-flight Operations (II)  Šteins Flyby  ROMAP, SESAME and MUPUS operational  ROMAP detects no magnetic signatures due to asteroid  SESAME and MUPUS perform successfully calibration  COSAC/CIVA Contingency Slot (CNT2)  “old” COSAC S/W uploaded  COSAC seems to work nominal (again) with pre-PC#8 SW  COSAC H/W apparently ok  Problem not understood  planned CIVA SW downgrade abandoned  CIVA worked well (no dummy images sent)  Problem during PC#8 not understood

7 4 th Post Launch Philae Science WS, Venezia, March 2009 Philae In-flight Operations (III)  Passive Checkout PC#9  Standard Procedure  Add. APXS measurement  Thermal Characterization (THC2)  Contribution to Lander Thermal Characterization  Calibration measurements for SESAME and MUPUS

8 4 th Post Launch Philae Science WS, Venezia, March 2009 Ground Activities  GRM refinement  Open work for ADS: EQM model exchange; FM01 model implementation planned to be finished by May 2009 GRM is used for all Flight ops preparation !!  Development tests for next CDMS S/W v8.0  Development tests ongoing; SW v8.0 verification period expected for Sep - Nov 2009  LCC Status  Upgrade of ESA interface (PDOP) ongoing  DAVIS (upgrade development delayed, but continues)  SCrOP, Annex G The document provides an overview on the status of all Philae Cruise Phase requirements  Last version V1.5, 11th of December 2008, distributed to RSOC/RMOC and Lander Team  Lander Software Simulator  upgrade delayed due to priority on CDMS SW v8.0 development, but continues

9 4 th Post Launch Philae Science WS, Venezia, March 2009 LCC Funding Situation  New Project plan, based on results of independent review from September 2007 now agreed  Shared LCC funding between DLR Agency and DLR R&D  New staff in the LCC team  Jens Biele (Payload Management)  Ed Trollope (Lander Simulator, Ops preparation (Šteins, Lutetia))  Christian Krause (RLGS Support)  Koen Geurts (GRM, Ops preparation)  Hans-Herbert Fischer (LCCS support, (SESAME)  Franziska Lenski (QA at MUSC)