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Pm1weekly_2025_242_2025_248

MODIS IOT Aqua Weekly Report
Mission Operations Days: 2025/242 through 2025/248
August 30, 2025 00:00:00 GMT to September 5, 2025 23:59:59 GMT 
 
Aqua Spacecraft and MODIS Instrument Status:
PM-1 "Aqua" is in Fine Pointing Normal Mode    
FM1 MODIS is in B-Side Nominal Science Mode
   
Component State(s) Comment
Blackbody A Off; B On (285K) Nominal Science Mode
Calibration Electronics A Off; B On Nominal Science Mode
Control Processor A Off; B On Nominal Science Mode
Nadir Door Unlatched, Open Nominal Science Mode
Space View Door Unlatched, Open Nominal Science Mode
Solar Diffuser Door Unlatched, Closed Nominal Science Mode
FDDI Formatter A Off; B On Nominal Science Mode
FDDI Port A Off; B On Nominal Science Mode
FIFO Memory #1 & #2 Off; #3 & #4 On Nominal Science Mode
Format Processor A Off; B On Nominal Science Mode
Power Supplies #1 Off, #2 On Nominal Science Mode
PV VIS FPA A Off; B On Nominal Science Mode
PV NIR FPA A Off; B On Nominal Science Mode
PV SMIR FPA A Off; B On Nominal Science Mode
PV LWIR FPA A Off; B On Nominal Science Mode
PC LWIR FPA A Off; B On Nominal Science Mode
RC Outgas Heaters All 3 (CS, IS, OS) Off Nominal Science Mode
RC LWIR FPA Heater Off Nominal Science Mode
RC SMIR FPA Heater On (83K) Nominal Science Mode
Scan Assembly A Off; B On Nominal Science Mode
SDSM Off Nominal Science Mode
SRCA

Off

  • 10W Lamps - 1 (functional)
  • 10W Lamps - 2, 3, 4 (non-functional)
  • 1W Lamps - 1, 2 (functional)
Nominal Science Mode
PS1 Survival Heaters Enabled Nominal Science Mode
PS2 Survival Heaters Enabled Nominal Science Mode
Timing Generator A Off; B On Nominal Science Mode
Flight Software

Rev BJ + 1 set of patches

  • CP07 to Safe Mode - No FR OFF Command (1 patch)
Nominal Science Mode
Inhibit Ids Set None Nominal Science Mode
This Week's Completed MODIS Activities:
---
Saturday, August 30, 2025
--
Nighttime Day Mode Observations
2025/242 22:49:08   MCL MOD_OA03_FR_DAY_RATE.1 
2025/242 23:28:36   MCL MOD_OA03_FR_NIGHT_RATE.2       (10:00 early) 
2025/242 23:53:39   MCL MOD_OA03_FR_DAY_RATE.1 
 
Sunday, August 31, 2025:
--
Nighttime Day Mode Observations
2025/243 00:13:39   MCL MOD_OA03_FR_NIGHT_RATE.2
2025/243 00:37:43   MCL MOD_OA03_FR_DAY_RATE.1        (10:00 late) 
2025/243 01:17:11   MCL MOD_OA03_FR_NIGHT_RATE.2
 
Monday, September 1, 2025
--
None
 
Tuesday, September 2, 2025
--
None
 
Wednesday, September 3, 2025
--
2025/246 21:19:00 - 21:19:16 MCL MOD_SRCA_SETUP_L1_L4_L5_CC.1
SRCA setup activity using 10W lamps 1 and 4, and 1W lamp 5, in constant current feedback mode
 
2025/246 21:22:00 - 21:49:32 MCL MOD_OA19_SRCA_FULL_RAD_10W.3
OA-19: SRCA Full Radiometric Calibration.
 
S/C Night 21:27:25 - 21:57:15
Data Collect 21:38:01 - 21:49:31
 
Thursday, September 4, 2025
--
None
 
Friday, September 5, 2025
--
None
 
This Week's Scheduled MODIS Activities Not Completed:
---
None
 
This Month's MODIS Events:
---
September's routine activities include regular SD/SDSM calibrations (2025/251, and 265), a Blackbody Warm Up/Cool Down (2025/252), a SRCA Radiometric Calibration (2025/246), and a SRCA Spectral Calibration (2025/267).
 
Next Week's MODIS Events:
---
Monday, September 8, 2025
--
2025/251 20:13:18 - 20:27:16 MCL MOD_OA16_SDSM_SCREEN.2
OA-16: SD/SDSM Screened – B-side
 
2025/251 21:51:53 - 22:05:51 MCL MOD_OA15_SDSM_OPEN.1
OA-15: SD/SDSM Open – B-side
 
Tuesday, September 9, 2025
--
2025/252 03:00:00 MCL MOD_BB_TEMP_SET_270K_B.2 BB Temp Set to 270K for CP B Coefficients
2025/252 21:00:00 MCL MOD_BB_TEMP_SET_280K_B.2 BB Temp Set to 280K for CP B Coefficients
 
Wednesday, September 10, 2025
--
2025/253 01:00:00 MCL MOD_BB_TEMP_SET_285K_B.2 BB Temp Set to 285K for CP B Coefficients
2025/253 04:00:00 MCL MOD_BB_TEMP_SET_290K_B.2 BB Temp Set to 290K for CP B Coefficients
2025/253 08:00:00 MCL MOD_BB_TEMP_SET_315K_B.2 BB Temp Set to 315K for CP B Coefficients
2025/253 08:00:30 MCL MOD_BB_DCYCLE_FULL.1 Set blackbody heater duty cycle to FULL
2025/253 12:00:00 MCL MOD_BB_TEMP_SET_270K_B.2 BB Temp Set to 270K for CP B Coefficients
2025/253 12:00:30 MCL MOD_BB_DCYCLE_THIRD.1 Set blackbody heater duty cycle to THIRD
 
Thursday, September 11, 2025
--
2025/254 08:00:00 MCL MOD_BB_TEMP_SET_285K_B.2 BB Temp Set to 285K for CP B Coefficient
 
Maneuvers:
---
None
 
MODIS Anomalies:
---
None
 
General Instrument Comments:
 
FM1 MODIS is in Science Mode. The SVD and NAD are open, the survival
heaters are enabled, and the Blackbody is heated to 285 K.
 
MODIS Telemetry Trends:
 
The FM1 MODIS instrument telemetry is trending nominally.
Non-MODIS Significant Events:
 
The EMOS mission status webpage (which includes instrument data loss
records) can be found at the following URL. Note that a password is now
required to access the EOS mission links web pages. There are directions
at the URL below for how to obtain a username/password.
 

 
Limited Life Item Status:
 
SRCA 10W Lamp #1: 397.1 of 500 hours
SRCA 10W Lamp #2: 188.1 of 500 hours
SRCA 10W Lamp #3: 205.7 of 500 hours
SRCA 10W Lamp #4: 135.1 of 500 hours
 
SRCA 1W Lamp #1: 535.4 of 5000 hours
SRCA 1W Lamp #2: 326.6 of 5000 hours
 
Solar Diffuser Door: 4334 of 3022 Movements
Nadir Aperture Door: 1055 of 1316 Movements
Space View Door: 636 of 1316 Movements