See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L8964. Start at 036:14:00 GMT PLAN ---- Normal Sun Mode recovery, DSS-24, 9:55pm-1:00am EST (Feb 5/6) NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 6 Supports Completed over the weekend (Total time: 16.6 hours) 8 SSR dumps Loads good through: 2024:038:00:10:01 CAP's - 1722, 035/0601z, 2024 Winter Eclipse Contingency Action Part 3 - 1685B, 035/0629z, ACA Image Adjustment, Step 2B (Option 1 Default) - 1726, 035/0635z, IRU-2 to Low Rate - 1729, 036/0125z, Post NSM SCS26 Manipulation - 1731, 036/0130z, 24035 NSM Yaw Bias for Momentum Management - 1685B, 036/0300z, ACA Image Adjustment (Step 2.b Option 1 Default) - 1230M, 036/0309z, Manual OBSID Change Radiation: Solar activity is likely to be moderate with a slight chance for an X-class flare on days one, two, and three (05 Feb, 06 Feb, 07 Feb) mainly due to a couple of active regions with a complex morphology near the southeast and southwest limbs. MP: No issues. ENG: Late Saturday night (Day 35, 03:27:11z) during ObsID 27349 a transition to Normal Sun Mode occurred due to a corner case of high background anomaly and loss of guide stars in Aspect Camera. The transition was nominal, a number of safing CAPs were executed over the weekend. All CAPs ran nominally. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- None Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 036/1925-2130 2025 2115 DSS-26 GOLDSTONE 1525-1615 EST, Mon 5 Feb 037/0155-0615 0255 0600 DSS-54 MADRID 2155-0100 EST, Mon 5 Feb 037/1120-1335 1220 1320 DSS-26 GOLDSTONE 0720-0820 EST, Tue 6 Feb 037/2310-0125 0010 0110 DSS-26 GOLDSTONE 1910-2010 EST, Tue 6 Feb SNAPSHOT summary: ----------------- UTC 2024:036:12:13:01 (Feb 5) f_ACE 1.98e+01 F_CRM 0.00e+00 Kp 1.0 R km 140894A OBT 2024:036:12:10:26 CTUVCDU 1705599 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 823522226.18 ONLVCDU 1705592 OBC Errs 0 OBSID 65522 EPState SUN SIM TTpos -99615 HETG Angle 77.59 PCADMODE NSUN RA 134.565 Bus V 26.64 SIM FApos -535 LETG Angle 76.09 PCONTROL SACQ Dec -3.070 Bus I 22.88 AOFSTAR GUID Roll 351.636 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTNTTTN Dith Yang -14.92 Yaw Rate 0.04 HRC-S HV OFF ACA CCD Temp -2.5 Dith Zang -9.47 Pitch Rate -0.31 SHLD HV 0.0 ACA Int Time 0.705 Roll Rate 0.18 EVT RT 6374 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 74.35 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 67.34 SA Resolv 160.25 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 11.60 A +24 V 0.00 HRMA power 71.00 SCS 128 DISA -Y SA Amps 11.21 OBA power 0.00 SCS 129 INAC +Y SA Temp 118.41 SCS 130 INAC -Y SA Temp 117.68 ACIS Stat7-0 6 Roll Mom. 6.585 SCS 131 DISA Cold Rad -115. Pitch Mom. 0.274 SCS 132 DISA Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. -5.739 SCS 133 DISA EIO Temp 0.0000 RadMon DISA PMTANKP 138.942 SCS 107 DISA EPH temp 161.30 UpLCmdAcc 4897 IRU2G2 curr 108.00 M Unload MON Cmd Rej A 165 IRU2G1 curr 93.60 Roll Bias 1.4457 TSC Move STOP Prop. line 03 103.22 Pitch Bias -3.5528 FA Move STOP CTX B PWR 36.96 Prop. line 04 90.80 Yaw Bias -1.7427 OTG Move DISA CTX B Volts 3.54 UTC 2024:036:13:50:01 (Feb 5) f_ACE 1.64e+01 F_CRM 0.00e+00 Kp 1.0 R km 144341A Currently scheduled FPSI, OTG : HRC-S NONE Estimated Kp : 1.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.64e+01 GOES-R P4 flux, in RADMON P4GM units : 0.097 GOES-R P7 flux, in RADMON P41GM units : 0.003 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 4.0 Orbit Start Time : 0.008 Geocentric Distance (km), Orbit Leg : 144308 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 3.1103e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 9.3620e+04 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.0000e+00