HRC SOT Shift Report See http://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Report M9897 Start at 237:15:30 = 4:30pm Wednesday, August 26, 2026 End at 237:16:11 = 5:11pm Wednesday, August 26, 2026 HRC SOT Shift Report M9897 HRC Personnel: Dan Patnaude, Ralph Kraft, Gerrit Schellenberger, Tom Gauron PLAN: ---- Execute CAP 1804C NOTES/ISSUES/PROBLEMS: ---------------------- no issues. CLD Files used: NONE SUMMARY: -------- CAP 1804C was executed to completion with no issues. The source was detected at approximately 1 cps. HRC-S shutdown nominally via commands in the daily loads. UTC 2026:238:20:38:01 (Aug26) f_ACE 2.29e+01 F_CRM 5.12e+08 Kp 1.0 R km 105428D OBT 2026:238:20:37:32 CTUVCDU 14414719 OBC s/w NRML FMT1_EPS CPEstat NORM OBT 904163852.22 ONLVCDU 14414712 OBC Errs 0 OBSID 32497 EPState SUN SIM TTpos -99616 HETG Angle 77.59 PCADMODE NMAN RA 355.111 Bus V 27.26 SIM FApos -1060 LETG Angle 75.71 PCONTROL NPNT Dec 23.894 Bus I 18.77 AOFSTAR GUID Roll 151.959 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc SSSSSSSS Dith Yang 13.30 Yaw Rate 147.71 HRC-S HV OFF ACA CCD Temp -6.9 Dith Zang 13.44 Pitch Rate -41.49 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 123.44 EVT RT 3824 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -4.01 Batt 1 SOC 100.00% Avg HRMA Temp 74.43 FSS Beta -50.16 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 83.06 SA Resolv 140.11 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 31.50 SCS 128 ACT -Y SA Amps 8.90 OBA power 0.00 SCS 129 ACT +Y SA Temp 111.74 SCS 130 ACT -Y SA Temp 111.43 ACIS Stat7-0 65 Roll Mom. -3.061 SCS 131 ACT Cold Rad -115.9 Pitch Mom. 7.706 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 6.321 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 153.330 SCS 107 INAC EPH temp 126.31 UpLCmdAcc 37924 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 213 IRU2G1 curr 96.00 Roll Bias 2.0710 TSC Move STOP Prop. line 03 155.32 Pitch Bias -4.2577 FA Move STOP CTX A PWR 36.43 Prop. line 04 134.13 Yaw Bias -1.8569 OTG Move DISA CTX A Volts 3.52 Explanation Current Data: UTC 2026:238:20:38:01 (Aug26) f_ACE 2.29e+01 F_CRM 5.12e+08 Kp 1.0 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 : 8.13e-02 GOES-R P7 flux, in RADMON P41GM units : 5.60e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 9.12e+02 Orbit Start Time : 2026:177:08:08:58 Geocentric Distance (km), Orbit Leg : 122129 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