MODIS IOT Aqua Weekly Report
Mission Operations Days: 2025/354 through 2025/360
December 20, 2025 00:00:00 GMT to December 26, 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
|
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
|
Nominal Science Mode |
| Inhibit Ids Set | None | Nominal Science Mode |
This Week's Completed MODIS Activities:
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Saturday, December 20, 2025
--
None
Sunday, December 21, 2025
--
None
Monday, December 22, 2025
--
None
Tuesday, December 23, 2025
--
None
Wednesday, December 24, 2025
--
None
Thursday, December 25, 2025
--
None
Friday, December 26, 2025
--
None
This Week's Scheduled MODIS Activities Not Completed:
---
None
This Month's MODIS Events:
---
December's routine activities include regular SD/SDSM calibrations (2025/335, 349 and 363), a SRCA Radiometric Calibration (2025/340), and Lunar Roll Calibrations (2025/336, 337, and 365).
Next Week's MODIS Events:
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Monday, December 29, 2025:
--
2025/363 21:31:39-21:45:37 MCL MOD_OA16_SDSM_SCREEN.2
OA-16: SD/SDSM Screened – B-side
2025/363 23:10:14-23:24:12 MCL MOD_OA15_SDSM_OPEN.1
OA-15: SD/SDSM Open – B-side
Wednesday, December 31, 2025
--
Lunar Roll Maneuver (-8.6540 degrees)
2025/365 19:43:11 MCL MOD_OA03_FR_DAY_RATE.1
2025/365 20:30:46 MCL MOD_OA03_FR_NIGHT_RATE.2 (01:53 early)
2025/365 20:41:17 – 20:45:03 MCL MOD_OA08_ROLL_MAN.1
2025/365 21:23:38 MCL MOD_OA03_FR_DAY_RATE.1 (01:53 late)
2025/365 22:11:13 MCL MOD_OA03_FR_NIGHT_RATE.2
Maneuvers:
---
The Aqua MODIS Lunar Roll Maneuver will take place on Wednesday, December 31, 2025 (2025/365).
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: 399.8 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: 535.6 of 5000 hours
SRCA 1W Lamp #2: 326.6 of 5000 hours
Solar Diffuser Door: 4382 of 3022 Movements
Nadir Aperture Door: 1055 of 1316 Movements
Space View Door: 636 of 1316 Movements