See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9646. Start at 352:16:46 GMT PLAN ---- Finish: Obsid: 30245 SI: ACIS-I (16 ksec) Target: Center of COSMO Then: 2025:352:21:48:35 Obsid: 32049 SI: ACIS-S (16 ksec) Target: B2.4 0553+23 2025:353:02:56:46 Obsid: 30115 SI: ACIS-S (19 ksec) Target: GW170817 2025:353:09:15:03 Obsid: 32059 SI: ACIS-S (14 ksec) Target: IRAS04416+1215 2025:353:14:57:05 Obsid: 31272 SI: ACIS-S (12 ksec) Target: SDSS J160318.74 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 4 Supports Completed in the last 24 hours (Total time: 8 hours) 4 SSR dumps Loads good through: 2025:355:22:58:21.000 DSN DR's Created: DR Number| Station| Problem| Cause| Action ---|---|---|---|--- [M118594](/occweb/web/webapps/ifot/ifot.php?r=flightops&t=properties&format=sheet&id=993465)| DSS-56| No Commanding| Failed Transmitter| Working the issue at DSS-56 (OC trying to get time on DSS-65) Radiation (Solar Activity): Solar activity is expected to be low with a slight chance for an M-class flare on days one, two, and three (18 Dec, 19 Dec, 20 Dec). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on day one (18 Dec) and quiet to unsettled levels on days two and three (19 Dec, 20 Dec). MP: DEC2225A command loads out for review. ENG: No issues. GOT: Issues with DSS-56 during comms yesterday, handled by DSS-65 switch. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30243 Center of COSMOS-Web ACIS-I NONE 29957 6dFGS gJ031612.2-380111 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 352/1725-1925 1810 1910 DSS-54 MADRID 1310-1410 EST, Thu 18 Dec 353/0035-0235 0120 0220 DSS-26 GOLDSTONE 2020-2120 EST, Thu 18 Dec 353/1530-1720 1605 1705 DSS-65 MADRID 1105-1205 EST, Fri 19 Dec SNAPSHOT summary: ----------------- UTC 2025:352:14:10:02 (Dec18) f_ACE 7.98e+00 F_CRM 6.49e+07 Kp 3.0 R km 122532A OBT 2025:352:14:07:02 CTUVCDU 13579519 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 882454022.78 ONLVCDU 13579512 OBC Errs 0 OBSID 30245 EPState SUN SIM TTpos 92903 HETG Angle 77.59 PCADMODE NPNT RA 149.971 Bus V 26.64 SIM FApos -535 LETG Angle 75.71 PCONTROL NPNT Dec 2.416 Bus I 22.11 AOFSTAR GUID Roll 65.223 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 12.69 Yaw Rate 0.16 HRC-S HV OFF ACA CCD Temp -5.4 Dith Zang 13.40 Pitch Rate -0.13 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.01 EVT RT 6374 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.23 Batt 1 SOC 100.00% Avg HRMA Temp 73.78 FSS Beta -25.33 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 87.88 SA Resolv 114.67 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 29.90 SCS 128 ACT -Y SA Amps 10.83 OBA power 0.00 SCS 129 ACT +Y SA Temp 117.68 SCS 130 ACT -Y SA Temp 116.95 ACIS Stat7-0 6 Roll Mom. 4.878 SCS 131 ACT Cold Rad -120. Pitch Mom. -0.490 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 12.385 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 146.935 SCS 107 INAC EPH temp 175.44 UpLCmdAcc 51601 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 60 IRU2G1 curr 93.60 Roll Bias 1.9559 TSC Move STOP Prop. line 03 168.93 Pitch Bias -4.1245 FA Move STOP CTX A PWR 36.32 Prop. line 04 155.32 Yaw Bias -1.8301 OTG Move DISA CTX A Volts 3.52 UTC 2025:352:16:46:02 (Dec18) f_ACE 9.64e+00 F_CRM 7.04e+07 Kp 1.7 R km 130310A Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 1.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.02e+01 GOES-R P4 flux, in RADMON P4GM units : 2.12e-02 GOES-R P7 flux, in RADMON P41GM units : 5.61e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.43e+03 Orbit Start Time : 2025:351:22:17:43 Geocentric Distance (km), Orbit Leg : 130241 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 4.4908e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 4.4908e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.2869e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 7.0437e+07