See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9895. Start at 236:13:00 GMT PLAN ---- Finish: Obsid: 29816 SI: ACIS-S (27 ksec) Target: Cassiopeia A Then: 2026:236:15:55:00 Obsid: 32495 SI: HRC-S (1 ksec) Target: X-ray blank sky 2026:236:17:24:38 Obsid: 32511 SI: ACIS-S (10 ksec) Target: Cassiopeia A 2026:236:20:45:03 Obsid: 30214 SI: ACIS-S (11 ksec) Target: WISE J2246-0526 2026:237:00:45:36 Obsid: 30188 SI: ACIS-S (15 ksec) Target: SDSS J142314.36 2026:237:05:52:52 Obsid: 30216 SI: ACIS-S (11 ksec) Target: WISE J2246-0526 2026:237:09:53:29 Obsid: 32514 SI: ACIS-S (15 ksec) Target: SDSS J142314.36 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 7 Supports Completed over the weekend (Total time: 14 hours) 8 SSR dumps Loads good through: 2026:240:11:30:02 Radiation (Solar Activity): Solar activity is expected to be low with a chance for M-class flares and a slight chance for an X-class flare on days one, two, and three (24 Aug, 25 Aug, 26 Aug). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet levels on days one, two, and three (24 Aug, 25 Aug, 26 Aug). Protons have a slight chance of crossing threshold on days one, two, and three (24 Aug, 25 Aug, 26 Aug). MP: A set of matlab test loads is due on Wednesday. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30237 [vD2023]1 ACIS-I NONE 32502 NGC 7213 ACIS-S HETG 29968 SDSS J013341.22-010932.0 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 236/1445-1645 1530 1630 DSS-54 MADRID 1130-1230 EDT, Mon 24 Aug 237/0120-0320 0205 0305 DSS-24 GOLDSTONE 2205-2305 EDT, Mon 24 Aug 237/1430-1630 1515 1615 DSS-53 MADRID 1115-1215 EDT, Tue 25 Aug 237/2250-0050 2335 0035 DSS-56 MADRID 1935-2035 EDT, Tue 25 Aug SNAPSHOT summary: ----------------- UTC 2026:236:12:23:02 (Aug24) f_ACE 3.16e+02 F_CRM 5.12e+08 Kp 1.3 R km 105428D OBT 2026:236:12:20:13 CTUVCDU 13623935 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 903961213.87 ONLVCDU 13623928 OBC Errs 0 OBSID 29816 EPState SUN SIM TTpos 75624 HETG Angle 77.59 PCADMODE NPNT RA 350.846 Bus V 27.42 SIM FApos -467 LETG Angle 75.71 PCONTROL NPNT Dec 58.838 Bus I 19.54 AOFSTAR GUID Roll 161.326 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -7.20 Yaw Rate 0.02 HRC-S HV OFF ACA CCD Temp -4.0 Dith Zang 15.74 Pitch Rate -0.07 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.35 EVT RT 4844 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.05 Batt 1 SOC 100.00% Avg HRMA Temp 74.65 FSS Beta -18.94 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 89.33 SA Resolv 108.27 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 9.86 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 109.58 ACIS Stat7-0 6 Roll Mom. -4.465 SCS 131 ACT Cold Rad -120. Pitch Mom. 7.949 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 4.717 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 153.330 SCS 107 INAC EPH temp 126.31 UpLCmdAcc 34435 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 117 IRU2G1 curr 96.00 Roll Bias 2.0784 TSC Move STOP Prop. line 03 165.53 Pitch Bias -4.2622 FA Move STOP CTX A PWR 36.32 Prop. line 04 145.12 Yaw Bias -1.8650 OTG Move DISA CTX A Volts 3.52 UTC 2026:236:13:03:02 (Aug24) f_ACE 2.80e+02 F_CRM 5.12e+08 Kp 1.3 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 : 3.47e+00 GOES-R P7 flux, in RADMON P41GM units : 1.40e-02 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.06e+03 Orbit Start Time : 2026:177:08:08:58 Geocentric Distance (km), Orbit Leg : 138919 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