MODIS IOT Aqua Weekly Report
Mission Operations Days: 2026/115 through 2026/121
April 25, 2026 00:00:00 GMT to May 1, 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:
---
Saturday, April 25, 2026
--
None
Sunday, April 26, 2026
--
None
Monday, April 27, 2026
--
None
Tuesday, April 28, 2026
--
Lunar Calibration - NO ROLL
Lunar Calibration - NO ROLL
2026/118 05:03:35 MCL MOD_OA03_FR_DAY_RATE.1
2026/118 05:51:10 MCL MOD_OA03_FR_NIGHT_RATE.2 (01:53 early)
2026/118 06:29:44 – 06:33:30 MCL MOD_OA08_ROLL_MAN.1
2026/118 06:44:01 MCL MOD_OA03_FR_DAY_RATE.1 (01:53 late)
2026/118 07:31:36 MCL MOD_OA03_FR_NIGHT_RATE.2
Lunar Roll Maneuver (-4.4977 degrees)
2026/118 16:33:28 MCL MOD_OA03_FR_DAY_RATE.1
2026/118 17:21:03 MCL MOD_OA03_FR_NIGHT_RATE.2 (01:53 early)
2026/118 17:54:33 – 17:58:19 MCL MOD_OA08_ROLL_MAN.1
2026/118 18:13:54 MCL MOD_OA03_FR_DAY_RATE.1 (01:53 late)
2026/118 19:01:29 MCL MOD_OA03_FR_NIGHT_RATE.2
Wednesday, April 29, 2026
--
None
Thursday, April 30, 2026
--
None
Friday, May 1, 2026
--
None
This Week's Scheduled MODIS Activities Not Completed:
---
None
This Month's MODIS Events:
---
April's routine activities include regular SD/SDSM calibrations (2026/096 and 110), a SRCA Radiometric Calibration (2026/092), and a Lunar Roll Calibration (2026/118).
Next Week's MODIS Events:
---
Saturday, May 2, 2026
--
2026/122 21:35:56 - 21:36:12 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
2026/122 21:38:56 - 22:06:28 MCL MOD_OA19_SRCA_FULL_RAD_10W.3
OA-19: SRCA Full Radiometric Calibration.
S/C Night 21:45:04 - 22:13:29
Data Collect 21:54:57 - 22:06:27
Monday, May 4, 2026
--
2026/124 20:11:47 - 20:25:45 MCL MOD_OA16_SDSM_SCREEN.2
OA-16: SD/SDSM Screened – B-side
2026/124 21:50:21 - 22:04:19 MCL MOD_OA15_SDSM_OPEN.1
OA-15: SD/SDSM Open – B-side
Maneuvers:
---
The Aqua Lunar Roll Maneuver took place on Tuesday, April 28, 2026 (2026/118).
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: 400.1 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: 535.9 of 5000 hours
SRCA 1W Lamp #2: 329.8 of 5000 hours
Solar Diffuser Door: 4436 of 3022 Movements
Nadir Aperture Door: 1055 of 1316 Movements
Space View Door: 636 of 1316 Movements