See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9911. Start at 252:13:00 GMT PLAN ---- Finish: Obsid: 30367 SI: ACIS-I (32 ksec) Target: Perseus cluster Then: 2026:252:21:22:06 Obsid: 30439 SI: HRC-I (8 ksec) Target: G29-38 2026:253:01:32:26 Obsid: 32927 SI: ACIS-I (10 ksec) Target: PSR J1015-5719 2026:253:05:03:58 Obsid: 31882 SI: ACIS-I (35 ksec) Target: Perseus cluster NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 4 hours) 3 SSR dumps. Loads good through: 2026:256:02:40:01 Radiation (Geophysical Activity): The geomagnetic field is expected to be at unsettled to major storm levels on day one (09 Sep) and quiet to unsettled levels on days two and three (10 Sep, 11 Sep). MP: Sept 14 loads in work, expected out tomorrow. ENG: No issues. GOT: Back on prime voice router. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30117 PSR J1015-5719 ACIS-I NONE 29895 VV 114 HRC-I NONE 32929 MACS J0018.5+1626 ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 252/1645-1915 1730 1900 DSS-53 MADRID 1330-1500 EDT, Wed 9 Sep 253/0045-0245 0130 0230 DSS-26 GOLDSTONE 2130-2230 EDT, Wed 9 Sep 253/1005-1205 1050 1150 DSS-36 CANBERRA 0650-0750 EDT, Thu 10 Sep 253/1800-2000 1845 1945 DSS-56 MADRID 1445-1545 EDT, Thu 10 Sep 253/2300-0100 2345 0045 DSS-36 CANBERRA 1945-2045 EDT, Thu 10 Sep SNAPSHOT summary: ----------------- UTC 2026:252:03:59:02 (Sep 9) f_ACE 2.45e+03 F_CRM 5.12e+08 Kp 5.0 R km 105428D OBT 2026:252:03:56:01 CTUVCDU 2123391 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 905313361.11 ONLVCDU 2123384 OBC Errs 0 OBSID 32246 EPState SUN SIM TTpos 92903 HETG Angle 77.59 PCADMODE NPNT RA 258.183 Bus V 27.42 SIM FApos -535 LETG Angle 75.71 PCONTROL NPNT Dec 64.073 Bus I 19.54 AOFSTAR GUID Roll 261.023 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -11.53 Yaw Rate 0.17 HRC-S HV OFF ACA CCD Temp -5.4 Dith Zang 10.32 Pitch Rate 0.21 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.03 EVT RT 3569 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 5.39 Batt 1 SOC 100.00% Avg HRMA Temp 73.89 FSS Beta 4.13 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 86.43 SA Resolv 85.19 Batt 3 SOC 100.00% A +15 V 2.81 OBA Tavg Fault NFLT SA Sun Pres ILLM A +5 V 4.84 OBA Trng Fault NFLT +Y SA Amps 9.66 A +24 V 0.00 HRMA power 0.00 SCS 128 ACT -Y SA Amps 9.48 OBA power 0.00 SCS 129 ACT +Y SA Temp 110.51 SCS 130 ACT -Y SA Temp 110.51 ACIS Stat7-0 6 Roll Mom. -5.283 SCS 131 ACT Cold Rad -118. Pitch Mom. 10.060 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 18.911 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 151.731 SCS 107 INAC EPH temp 126.31 UpLCmdAcc 3525 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 112 IRU2G1 curr 96.00 Roll Bias 2.0808 TSC Move STOP Prop. line 03 158.73 Pitch Bias -4.2695 FA Move STOP CTX A PWR 36.32 Prop. line 04 140.72 Yaw Bias -1.8584 OTG Move DISA CTX A Volts 3.52 UTC 2026:252:12:56:01 (Sep 9) f_ACE 4.94e+02 F_CRM 5.12e+08 Kp 3.3 R km 105428D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 2.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.29e+01 GOES-R P4 flux, in RADMON P4GM units : 0.00e+00 GOES-R P7 flux, in RADMON P41GM units : 2.79e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.47e+03 Orbit Start Time : 2026:177:08:08:58 Geocentric Distance (km), Orbit Leg : 141725 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.8248e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.8248e+04 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.1745e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.1173e+08