MODIS IOT Aqua Weekly Report
Mission Operations Days: 2026/227 through 2026/233
August 15, 2026 00:00:00 GMT to August 21, 2026 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, August 15, 2026
--
None
Sunday, August 16, 2026
--
2026/228 21:37:27 - 21:37:43 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
2026/228 21:40:27 - 22:18:26 MCL MOD_OA23_SRCA_FULL_SPAT_10W.2
OA-23: SRCA Full Spatial Calibration - B Side
S/C Night 21:49:25 - 22:16:39
Data Collect 21:56:35 - 22:18:25
Monday, August 17, 2026
--
None
Tuesday, August 18, 2026
--
None
Wednesday, August 19, 2026
--
None
Thursday, August 20, 2026
--
None
Friday, August 21, 2026
--
None
This Week's Scheduled MODIS Activities Not Completed:
---
None
This Month's MODIS Events:
---
August's routine activities include regular SD/SDSM calibrations (2026/222 and 236), a SRCA Radiometric Calibration (2026/215), a SRCA Spatial Calibration (2026/228), and a Blackbody Warm Up/Cool Down Cycle (2026/223).
Next Week's MODIS Events:
---
Monday, August 24, 2026
--
2026/236 20:45:38 - 20:59:36 MCL MOD_OA16_SDSM_SCREEN.2
OA-16: SD/SDSM Screened – B-side
2026/236 22:24:10 - 22:38:08 MCL MOD_OA15_SDSM_OPEN.1
OA-15: SD/SDSM Open – B-side
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: 400.6 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: 536.5 of 5000 hours
SRCA 1W Lamp #2: 329.8 of 5000 hours
Solar Diffuser Door: 4484 of 3022 Movements
Nadir Aperture Door: 1055 of 1316 Movements
Space View Door: 636 of 1316 Movements