MODIS IOT Aqua Weekly Report
Mission Operations Days: 2026/052 through 2026/058
February 21, 2026 00:00:00 GMT to February 27, 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, February 21, 2026
--
None
Sunday, February 22, 2026
--
None
Monday, February 23, 2026
--
2026/054 21:21:15 - 21:35:13 MCL MOD_OA16_SDSM_SCREEN.2
OA-16: SD/SDSM Screened – B-side
2026/054 22:59:49 - 23:13:47 MCL MOD_OA15_SDSM_OPEN.1
OA-15: SD/SDSM Open – B-side
Tuesday, February 24, 2026
--
2026/055 03:00:00 MCL MOD_BB_TEMP_SET_270K_B.2 BB Temp Set to 270K for CP B Coefficients
2026/055 21:00:00 MCL MOD_BB_TEMP_SET_280K_B.2 BB Temp Set to 280K for CP B Coefficients
Wednesday, February 25, 2026
--
2026/056 01:00:00 MCL MOD_BB_TEMP_SET_285K_B.2 BB Temp Set to 285K for CP B Coefficients
2026/056 04:00:00 MCL MOD_BB_TEMP_SET_290K_B.2 BB Temp Set to 290K for CP B Coefficients
2026/056 08:00:00 MCL MOD_BB_TEMP_SET_315K_B.2 BB Temp Set to 315K for CP B Coefficients
2026/056 08:00:30 MCL MOD_BB_DCYCLE_FULL.1 Set blackbody heater duty cycle to FULL
2026/056 12:00:00 MCL MOD_BB_TEMP_SET_270K_B.2 BB Temp Set to 270K for CP B Coefficients
2026/056 12:00:30 MCL MOD_BB_DCYCLE_THIRD.1 Set blackbody heater duty cycle to THIRD
Thursday, February 26, 2026
--
2026/057 08:00:00 MCL MOD_BB_TEMP_SET_285K_B.2 BB Temp Set to 285K for CP B Coefficient
Friday, February 27, 2026
--
None
This Week's Scheduled MODIS Activities Not Completed:
---
None
This Month's MODIS Events:
---
February's routine activities include regular SD/SDSM calibrations (2026/040 and 054), a SRCA Radiometric Calibration (2026/032), a Blackbody Warm Up/Cool Down Cycle (2026/055), and a Lunar Roll Calibration (2026/059).
Next Week's MODIS Events:
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Saturday, February 28, 2026
--
Lunar Roll Maneuver (-8.2770 degrees)
2026/059 18:11:20 MCL MOD_OA03_FR_DAY_RATE.1
2026/059 18:58:55 MCL MOD_OA03_FR_NIGHT_RATE.2 (01:53 early)
2026/059 19:10:51 – 19:14:37 MCL MOD_OA08_ROLL_MAN.1
2026/059 19:51:47 MCL MOD_OA03_FR_DAY_RATE.1 (01:53 late)
2026/059 20:39:22 MCL MOD_OA03_FR_NIGHT_RATE.2
Tuesday, March 3, 2026
--
2026/062 20:57:29 - 20:57:45 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
2026/062 21:00:29 - 21:28:01 MCL MOD_OA19_SRCA_FULL_RAD_10W.3
OA-19: SRCA Full Radiometric Calibration.
S/C Night 21:06:53 - 21:34:45
Data Collect 21:16:30 - 21:28:00
Maneuvers:
---
The Aqua MODIS Lunar Roll Maneuver will take place on Saturday, February 28 (2026/059).
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: 399.9 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: 535.8 of 5000 hours
SRCA 1W Lamp #2: 329.8 of 5000 hours
Solar Diffuser Door: 4412 of 3022 Movements
Nadir Aperture Door: 1055 of 1316 Movements
Space View Door: 636 of 1316 Movements