ACE Weekly 10/05/2007 - 10/11/2007 All ACE spacecraft subsystems are performing nominally. Note: Future ACE Weekly Reports will cover Wednesday to Tuesday (instead of the current Friday to Thursday). ============================================================================ Orbit/Attitude: Type Attitude Date 10/08/2007 DOY 281 2007 Thrusters 2R 4R+ 4R- Duration 13:31 min Start 15:59:55z Stop 16:13:26z HGAStart -5.82deg HGAStop 7.60deg SunStart 7.83deg SunStop 11.19deg Nutation 0.31deg Firing 69 pulses FuelUsed 0.2261lbs FuelRemain 153.9972lbs FinalSCMass 1388.257lbs The next attitude maneuver is scheduled for Monday, 10/29/2007. ============================================================================ OCRs: None ============================================================================ Activities: Space Link Extension (SLE) Testing status DSN continues to troubleshoot 26m SLE problems. The following tests have been scheduled for testing both DSN and the ACE MOC SLE upgrade (v3.1) Day Date DOY Station Thu 10/18 291 DSS-34 Mon 10/22 295 DSS-66 Wed 10/24 297 DSS-46 Thu 10/25 298 DSS-34 Thu 11/01 305 DSS-66 with DSS-27 Thu 11/01 305 DSS-27 Multi-Mission Ops Center (MMOC) The ACE team has started working with the ITOS developers to replace the TPOCC mission software with ITOS. ============================================================================ Anomalies: DOY 284 10/11/2007 S-ACE-0233 G07-0086 ROBOTT/C&C Froze ROBOTT froze during the procedure S_OPS_PLBK_COMPLETE. RTMON restart not performed since less than 15 minutes before End of Track. CDSID#00021192 IMPACT: This is a recurring issue that the ROBOTT developers are aware of. Procedure G_ACEDOWN not performed.