See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L8621. Start at 058:14:00 GMT PLAN ---- SCS 107 manually run 2023:059:07:55:25 Enter Rad Zone NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 9 Supports Completed over the weekend (Total time: 20.7 hours) 11 SSR dumps Loads good through: 2023:064:02:44:21.000 CAP's / Procedures Run: CAP # | Time | Title / Description / Notes [897A]| 055/1506z | Activate SCS 29 SCS 29 must be enabled and activated prior to the first eclipse of the season. SCS 29 controls the spacecraft loads during eclipse operations and will be active during the entire eclipse season. The only time SCS 29 will not be active in eclipse season is during the actual eclipse. [1036E]| 055/1508z | Clear EPS Glitch Counters The EPS glitch counters will increment if there is an issue found within the EPS subsystem. For example, a known problem with Battery Disconnect Circuit timing may cause occasional glitches when a disconnect pulse is detected in the charge cycle. This CAP will dump all glitch counter values, and if a counter increment has occurred all EPS glitch counters will be cleared. [593A]| 058/0314z | Manual SCS-107 Activation This CAP will be used to Safe the Science Instruments due to high radiation environment. DSN DR's Created: DR Number| Station| Problem| Cause| Action ---|---|---|---|--- DSS-54| Continuous BCWs| Possible RFI| Lowered data rate to 512 DSS-54| Constant BCW and Frame drops| Unknown| Station tried a second receiver which had the same result. OC dropped the data rate to 512 which was successful. Radiation: An M6 flare Saturday, led to elevated ACE rates throughout Sunday. Because of this SCS 107 was manually triggered Sunday night. Rates have now turned over. Solar activity is likely to be moderate with a slight chance for an X-class flare on days one, two, and three (27 Feb, 28 Feb, 01 Mar). MP: Return to science loads in work. ENG: SCS107 ran nominally. Spacecraft prepared for eclipse season, first eclipse was nominal. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 27723 CLJ044629.6-175958 ACIS-I NONE 26036 UGC 05027 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 058/1340-1555 1440 1540 DSS-26 GOLDSTONE 0940-1040 EST, Mon 27 Feb 059/0200-0415 0300 0400 DSS-65 MADRID 2200-2300 EST, Mon 27 Feb 059/1630-1845 1730 1830 DSS-34 CANBERRA 1230-1330 EST, Tue 28 Feb SNAPSHOT summary: ----------------- UTC 2023:058:04:30:01 (Feb27) f_ACE 2.33e+04 F_CRM 0.00e+00 Kp 4.7 R km 153543A OBT 2023:058:04:26:56 CTUVCDU 3388031 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 793859216.31 ONLVCDU 3388024 OBC Errs 0 OBSID 25892 EPState SUN SIM TTpos -99616 HETG Angle 77.96 PCADMODE NPNT RA 137.718 Bus V 27.42 SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec -4.237 Bus I 19.80 AOFSTAR GUID Roll 300.966 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc NNNTTTTT Dith Yang 4.44 Yaw Rate -0.04 HRC-S HV OFF ACA CCD Temp -6.9 Dith Zang -2.24 Pitch Rate -0.17 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.08 EVT RT 4589 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 73.18 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 64.27 SA Resolv 155.10 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 37.60 SCS 128 ACT -Y SA Amps 9.67 OBA power 0.00 SCS 129 ACT +Y SA Temp 118.41 SCS 130 ACT -Y SA Temp 117.68 ACIS Stat7-0 6 Roll Mom. 7.232 SCS 131 DISA Cold Rad -115. Pitch Mom. -7.527 SCS 132 DISA Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. -7.265 SCS 133 DISA EIO Temp 0.0000 RadMon DISA PMTANKP 137.343 SCS 107 DISA EPH temp 178.27 UpLCmdAcc 34439 IRU2G2 curr 112.80 M Unload MON Cmd Rej A 158 IRU2G1 curr 96.00 Roll Bias 1.2176 TSC Move STOP Prop. line 03 105.75 Pitch Bias -3.2947 FA Move STOP CTX B PWR 36.96 Prop. line 04 93.08 Yaw Bias -1.7024 OTG Move DISA CTX B Volts 3.54 UTC 2023:058:13:56:01 (Feb27) f_ACE 5.38e+03 F_CRM 0.00e+00 Kp 5.7 R km 146314D Currently scheduled FPSI, OTG : HRC-S NONE Estimated Kp : 5.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 5.38e+03 GOES-R P4 flux, in RADMON P4GM units : 4.323 GOES-R P7 flux, in RADMON P41GM units : 0.015 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 4.0 Orbit Start Time : 0.018 Geocentric Distance (km), Orbit Leg : 146372 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 1.2117e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.6468e+06 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.0000e+00