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MODIS IOT Terra Weekly Report
Mission Operations Days: 2001/188 to 2001/194
July 6, 2001 20:00:00 GMT to July 13, 2001 20:00:00 GMT
Terra Spacecraft and MODIS Instrument Status:
|
Terra (AM-1) is in Normal Ops Mode MODIS is in Science Mode - A Side |
||
| Component | State(s) | Comment |
|---|---|---|
| Blackbody | A On (290 K); B Off | Nominal |
| Calibration Electronics | A On; B Off | Nominal |
| Control Processor | A On; B Off | Nominal |
| Nadir Door | Unlatched, Open | Nominal |
| Space View Door | Unlatched, Open | Nominal |
| Solar Diffuser Door | Unlatched, Closed | Nominal |
| FDDI Formatter | A On; B Off | Nominal |
| FDDI Port | A On; B Off | Nominal |
| FIFO Memory | #1 & #2 On; #3 & #4 Off | Nominal |
| Format Processor | A On; B Off | Nominal |
| Power Supplies | #1 On; #2 Off | Nominal |
| PV VIS FPA | A On; B Off | Nominal |
| PV NIR FPA | A On; B Off | Nominal |
| PV SMIR FPA | A On; B Off | Nominal |
| PV LWIR FPA | A On; B Off | Nominal |
| PC LWIR FPA | A On; B Off | 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 On; B Off | 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 |
| TMON 66 (SRCA A) | Disabled | Nominal |
| TMON 67 (SRCA B) | Disabled | Nominal |
| TMON 68 (FIFO) | Enabled | Nominal |
| TMON 69 (EPS Current) | Disabled | Nominal |
This Week's Completed MODIS Activities:
Friday, July 6, 2001
2001/187 20:55:17 ATC OA-16: SD/SDSM Screened Calibration
2001/187 22:34:10 ATC OA-15: SD/SDSM Open Calibration
None
Sunday, July 8, 2001None
Monday, July 9, 2001None
Tuesday, July 10, 2001
2001/191 16:37 Real-time FOT Set IRU to high rate for roll maneuver; less pointing accuracy
2001/191 18:09:37 ATC Move Formatter to Night ahead by 3:23 to ensure 50/50 day/night
2001/191 18:18:53 ATC FOT begins spacecraft roll slew to –11.7504 degrees
2001/191 18:24:40 ATC Set Formatter to Day Rate
2001/191 18:24:42 ATC Set SCIABNORM Flag to ABNORM
2001/191 18:24:44 ATC Set PC band DC Restore to OFF
2001/191 18:24:46 ATC Set PV band DC Restore to OFF
2001/191 18:24:48 ATC Set Sector Rotation to –3072 (Earth Aperture to view Space view and
OBCs)
2001/191 18:31:18 ATC Set Sector Rotation to Zero (Normal)
2001/191 18:31:20 ATC Set PV band DC Restore to ON
2001/191 18:31:22 ATC Set PC band DC Restore to ON
2001/191 18:31:24 ATC Set SCIABNORM Flag to NORM
2001/191 18:31:26 ATC Set Formatter to Night Rate
2001/191 18:36:33 ATC Spacecraft has returned to nominal attitude
2001/191 18:43 Real-time FOT set IRU to low rate after roll maneuver; nominal pointing
2001/191 19:03:51 ATC Move Formatter to Day later by 1.23 to ensure 50/50 day/night
Note: should have been 19:05:51, collecting 2 extra minutes of day rate
data
2001/192 10:33:05 – 11:30:36 ATC OA-23: SRCA Full Spatial
2001/192 21:14:00 ATC OA-15: SD/SDSM Open
2001/192 22:05:18 – 22:38:51 ATC OA-19: SRCA Full Radiometric
2001/192 22:52:53 ATC OA-16: SD/SDSM Screened
2001/193 12:53:15 – 13:44:54 ATC OA-22: SRCA Full Spectral Part 1A
2001/193 14:47:34 – 15:22:19 ATC OA-22: SRCA Full Spectral Part 2A
2001/193 16:11:10 – 17:02:26 ATC OA-22: SRCA Full Spectral Part 3A
2001/193 18:05:21 – 18:43:19 ATC OA-22: SRCA Full Spectral Part 4A
2001/193 21:00:00 ATC Set Blackbody temperature to 270K
2001/194 15:00:00 ATC Set Blackbody temperature to 280K
2001/194 19:00:00 ATC Set Blackbody temperature to 285K
This Week's Scheduled MODIS Activities Not Completed:
None
Upcoming MODIS Events:
In the month of July, MODIS will be performing SRCA spatial, radiometric, and spectral calibrations, a black body calibration, and weekly SD/SDSM calibrations.
Friday, July 13, 2001194/22:00:00 ATC Set Blackbody temperature to 290K
Saturday, July 14, 2001
195/02:00:00 ATC Set Blackbody temperature to 295K
195/02:00:30 ATC Set Blackbody duty cycle to FULL
195/04:00:00 ATC Set Blackbody temperature to 300K
195/06:00:00 ATC Set Blackbody temperature to 315K
195/09:00:00 ATC Set Blackbody temperature to 270K
195/09:00:30 ATC Set Blackbody duty cycle to THIRD
196/05:00:00 ATC Set Blackbody temperature to 290K
Monday, July 16, 2001None
Tuesday, July 17, 2001None
Wednesday, July 18, 2001
199/21:20:28 ATC OA-16: SD/SDSM Screened
199/22:59:21 ATC OA-15: SD/SDSM Open
None
Friday, July 13, 2001None
Maneuvers:
The next MODIS Lunar Roll Calibration is scheduled for DOY 221 from 05:24:35 to 05:31:05. A second lunar calibration will be performed without a roll maneuver on the same day from 20:23:37 to 20:30:07.
MODIS Anomalies:
Investigation into the PS2 shutdown anomaly is still underway. An anomaly report is expected by the end of this month.
General Instrument Comments:
MODIS is in Science Mode on the A-side with the SVD and NAD open, operating with the Formatter Resolution Flight Software Patches (FRFSP).
MODIS Telemetry Trends:
Trending has resumed with the instrument on the A-side. All appears nominal at this time.
Non-MODIS Significant Events:
None.
Limited Life Item Status:
SRCA 10W Lamp #1: 189.0 of 500 hours
SRCA 10W Lamp #2: 144.7 of 500 hours
SRCA 10W Lamp #3: 153.9 of 500 hours
SRCA 10W Lamp #4: 61.5 of 500 hours
SRCA 1W Lamp #1: 557.9 of 4000 hours
SRCA 1W Lamp #2: 276.3 of 4000 hours
Solar Diffuser Door: 1645 of 3022 Movements
Nadir Aperture Door: 532 of 1316 Movements
Space View Door: 437 of 1316 Movements
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Last Update: Wednesday, 26-Feb-2003 13:42:10 EST
