See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9715. Start at 056:14:00 GMT PLAN ---- Finish: Obsid: 30256 SI: ACIS-I (20 ksec) Target: Center of COSMO Then: 2026:056:18:54:47 Obsid: 31362 SI: HRC-I (4 ksec) Target: ArLac 2026:056:20:14:57 Obsid: 31896 SI: HRC-I (4 ksec) Target: ArLac 2026:056:21:55:09 Obsid: 30301 SI: ACIS-I (16 ksec) Target: Perseus cluster 2026:057:02:58:01 Obsid: 32179 SI: ACIS-S (13 ksec) Target: SDSS J102258.41 2026:057:07:10:53 Obsid: 30303 SI: ACIS-I (30 ksec) Target: Perseus cluster NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 7 hours) 2 SSR dumps Loads good through: 2026:060:17:10:28 DSN DR's Created: - N113826, DSS-54, 7 minute loss of real time telemetry, SLE server disconnect, JPL reconnected the SLE server Radiation (Solar Activity): Solar activity is likely to be low with a slight chance for an M-class flare on days one, two, and three (25 Feb, 26 Feb, 27 Feb). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on days one and two (25 Feb, 26 Feb) and quiet to unsettled levels on day three (27 Feb). MP: Mar0226 loads are in work. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 29661 NGC4654 ACIS-S NONE 30300 Perseus cluster ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 056/1330-1600 1415 1545 DSS-24 GOLDSTONE 0915-1045 EST, Wed 25 Feb 057/0230-0430 0315 0415 DSS-65 MADRID 2215-2315 EST, Wed 25 Feb 057/1155-1355 1240 1340 DSS-24 GOLDSTONE 0740-0840 EST, Thu 26 Feb 057/1815-2015 1900 2000 DSS-36 CANBERRA 1400-1500 EST, Thu 26 Feb SNAPSHOT summary: ----------------- UTC 2026:056:04:01:01 (Feb25) f_ACE 3.52e+01 F_CRM 5.78e+07 Kp 3.3 R km 104197A OBT 2026:056:03:57:27 CTUVCDU 3147135 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 888379047.90 ONLVCDU 3147128 OBC Errs 0 OBSID 31080 EPState SUN SIM TTpos 75623 HETG Angle 5.59 PCADMODE NPNT RA 209.531 Bus V 26.79 SIM FApos -467 LETG Angle 75.71 PCONTROL NPNT Dec -64.760 Bus I 22.11 AOFSTAR GUID Roll 51.134 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 7.02 Yaw Rate 0.34 HRC-S HV OFF ACA CCD Temp -5.8 Dith Zang 11.22 Pitch Rate 0.02 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.11 EVT RT 5354 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.29 Batt 1 SOC 100.00% Avg HRMA Temp 73.35 FSS Beta -7.00 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 84.18 SA Resolv 96.44 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 11.21 A +24 V 0.00 HRMA power 72.50 SCS 128 ACT -Y SA Amps 10.83 OBA power 0.00 SCS 129 ACT +Y SA Temp 115.49 SCS 130 ACT -Y SA Temp 114.51 ACIS Stat7-0 6 Roll Mom. 0.887 SCS 131 ACT Cold Rad -115. Pitch Mom. -7.709 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 10.066 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 169.78 UpLCmdAcc 2325 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 79 IRU2G1 curr 93.60 Roll Bias 2.0022 TSC Move STOP Prop. line 03 148.52 Pitch Bias -4.1888 FA Move STOP CTX B PWR 36.96 Prop. line 04 131.94 Yaw Bias -1.8319 OTG Move DISA CTX B Volts 3.54 UTC 2026:056:14:07:01 (Feb25) f_ACE 2.48e+01 F_CRM 6.04e+07 Kp 2.0 R km 136304A Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 2.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 3.77e+01 GOES-R P4 flux, in RADMON P4GM units : 0.00e+00 GOES-R P7 flux, in RADMON P41GM units : 8.47e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 8.54e+03 Orbit Start Time : 2026:055:16:33:59 Geocentric Distance (km), Orbit Leg : 136246 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 1.6576e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.6576e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.8023e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 6.0376e+07