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MODIS IOT Terra Weekly Report
Mission Operations Days: 2000/323 to 2000/329
November 17, 2000 20:00:00 GMT to November 24, 2000 20:00:00 GMT
Terra Spacecraft and MODIS Instrument Status:
|
Terra (AM-1) is in Normal Ops Mode MODIS is in Science Mode - B Side |
||
| Component | State(s) | Comment |
|---|---|---|
| Blackbody | A Off; B On (290 K) | Nominal |
| Calibration Electronics | A Off; B On | Nominal |
| Control Processor | A Off; B On | Nominal |
| Nadir Door | Unlatched, Open | Nominal |
| Space View Door | Unlatched, Open | Nominal |
| Solar Diffuser Door | Unlatched, Closed | Nominal |
| FDDI Formatter | A Off; B On | Nominal |
| FDDI Port | A On; B Off | Nominal |
| FIFO Memory | #1 & #2 Off; #3 & #4 On | Nominal |
| Format Processor | A Off; B On | Nominal |
| Power Supplies | #1 Off; #2 On | Nominal |
| PV VIS FPA | A Off; B On | Nominal |
| PV NIR FPA | A Off; B On | Nominal |
| PV SMIR FPA | A Off; B On | Nominal |
| PV LWIR FPA | A Off; B On | Nominal |
| PC LWIR FPA | A Off; B On | Nominal |
| RC Outgas Heaters | All Off (CS, IS, OS) | Nominal |
| RC LWIR FPA Heater | On (83 K) | Nominal |
| RC SMIR FPA Heater | Off | Nominal |
| Scan Assembly | A Off; B On | Nominal |
| SDSM | A Off; B Off | Nominal |
| SRCA | A Off; B Off | Nominal |
| PS1 Survival Heater | Enabled | Nominal |
| PS2 Survival Heater | Enabled | Nominal |
| Timing Generator | A Off; B On | Nominal |
| Flight Software | Rev BD + 1 set of patches
| Nominal |
| Inhibit Ids Set | None | Nominal |
| TMONs Enabled | 68 | Nominal |
This Week’s Completed MODIS Activities:
Friday, November 17, 2000Leonid Meteor shower Nov 17th & 18th: MODIS remained in nominal B-side science operations, however, all calibration activities were suspended during this time.
Saturday, November 18, 2000None
Sunday, November 19, 2000None
Monday, November 20, 2000
2000/325 21:00:00 ATC Set Blackbody to 270K
2000/326 15:00:00 ATC Set Blackbody to 280K
2000/326 19:00:00 ATC Set Blackbody to 285K
2000/326 21:00:00 ATC Set Blackbody to 290K
2000/326 23:00:00 ATC Set Blackbody to 295K
2000/326 23:01:00 ATC Set Blackbody duty cycle to FULL
2000/327 01:00:00 ATC Set Blackbody to 300K
2000/327 03:00:00 ATC Set Blackbody to 315K
2000/327 05:00:00 ATC Set Blackbody to 270K
2000/327 05:01:00 ATC Set Blackbody duty cycle to THIRD
2000/327 21:25:10 ATC OA15: SDSM Open
2000/327 23:04:03 ATC OA16: SDSM Screened
2000/328 01:00:00 ATC Set Blackbody to 290K
2000/328 09:48:37 - 10:22:10 ATC SRCA Full Radiometric (B)
2000/329 10:29:10 - 11:20:49 ATC SRCA Full Spectral 30W Part I (B)
2000/329 12:24:17 - 12:59:02 ATC SRCA Full Spectral 30W Part II (B)
2000/329 13:46:23 - 14:37:39 ATC SRCA Full Spectral 10W Part I (B)
2000/329 15:42:04 - 16:20:02 ATC SRCA Full Spectral 10W Part II (B)
This Week's Scheduled MODIS Activities Not Completed:
None
Upcoming MODIS Events:
Friday, November 24, 2000None
Saturday, November 25, 2000None
Sunday, November 26, 2000None
Monday, November 27, 2000None
Tuesday, November 28, 2000None
Wednesday, November 29, 2000
2000/327 21:31:26 ATC OA15: SDSM Open
2000/327 23:10:19 ATC OA16: SDSM Screened
None
Friday, December 1, 2000None
Maneuvers:
None.
MODIS Anomalies:
No formatter anomalies have been detected since switching to B-side science operations. The MODIS IOT is continuing to monitor changes with the radiative cooler temperatures and focal plane power.
General Instrument Comments:
MODIS is in Science Mode on the B-side with the SVD and NAD open, operating with the Formatter Resolution Flight Software Patches (FRFSP). No new events have been witnessed by the FRFSP since the B-Side Transition on DOY 2000/304.
MODIS Telemetry Trends:
The Radiative Cooler intermediate stage temperature has slowly been increasing since approximately DOY 2000/240. During this time the LWIR focal plane heater margin has been decreasing. The IOT is continuing to trend these telemetry mnemonics.
Non-MODIS Significant Events:
None.
Limited Life Item Status:
SRCA 10W Lamp #1: 176.3 of 500 hours
SRCA 10W Lamp #2: 137.6 of 500 hours
SRCA 10W Lamp #3: 146.8 of 500 hours
SRCA 10W Lamp #4: 61.5 of 500 hours
SRCA 1W Lamp #1: 556.3 of 4000 hours
SRCA 1W Lamp #2: 276.3 of 4000 hours
Solar Diffuser Door: 1459 of 3022 Movements
Nadir Aperture Door: 532 of 1316 Movements
Space View Door: 437 of 1316 Movements
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Last Update: Wednesday, 15-Jan-2003 14:56:24 EST
