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MODIS IOT Terra Weekly Report
Mission Operations Days: 2001/132 to 2001/138
May 11, 2001 20:00:00 GMT to May 18, 2001 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 + 2 set of patches
| Nominal |
| Inhibit Ids Set | None | Nominal |
| TMONs Enabled | 68 | Nominal |
This Week's Completed MODIS Activities:
Saturday, May 12, 2001None
Sunday, May 13, 2001None
Monday, May 14, 2001None
Tuesday, May 15, 2001None
Wednesday, May 16, 2001None
Thursday, May 17, 2001
2001/137 21:14:01 ATC OA16: SDSM SCREENED
2001/137 22:52:54 ATC OA15: SDSM OPEN
None
This Week's Scheduled MODIS Activities Not Completed:
None
Upcoming MODIS Events:
Saturday, May 19, 2001None
Sunday, May 20, 2001None
Monday, May 21, 2001None
Tuesday, May 22, 2001None
Wednesday, May 23, 2001None
Thursday, May 24, 2001None
Friday, May 25, 2001None
Maneuvers:
There will be no MODIS Lunar Roll Maneuver in May because the roll angle would have been too great (more than 20-degree roll required).
The next MODIS Lunar Roll Maneuver is scheduled for June 10, 2001.
MODIS Anomalies:
None
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).
MODIS Telemetry Trends:
Telemetry is trending nominally.
Non-MODIS Significant Events:
MOPITT Anomaly:
MOPITT's Displacement Side B position went Red (at 2001/127-04:07) during a Real-Time contact on DOY 127. The Flight Controllers sent the Red Limit Response procedure to Safe the Instrument (at 2001/127-04:18).
After analyzing telemetry history, the MOPITT team has determined the event was not critical. MOPITT has been commanded into its Standby Mode. The MOPITT IOT plans to transition out of Standby to Science Mode sometime next week pending final analysis verification.
Limited Life Item Status:
SRCA 10W Lamp #1: 186.0 of 500 hours
SRCA 10W Lamp #2: 142.9 of 500 hours
SRCA 10W Lamp #3: 152.1 of 500 hours
SRCA 10W Lamp #4: 61.5 of 500 hours
SRCA 1W Lamp #1: 557.5 of 4000 hours
SRCA 1W Lamp #2: 276.3 of 4000 hours
Solar Diffuser Door: 1615 of 3022 Movements
Nadir Aperture Door: 532 of 1316 Movements
Space View Door: 437 of 1316 Movements
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Last Update: Tuesday, 25-Feb-2003 17:51:48 EST
