Mission Operations Days: 2000/141 to 2000/147
May 20, 2000 00:00:00 GMT to May 26, 2000 00:00:00 GMT
Terra Spacecraft and MODIS Instrument Status:
| Terra (AM-1) is in Normal Ops Mode MODIS is in Science Mode - A Side MODIS has no known Anomalies |
||
|---|---|---|
| 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 On; B Off | Nominal |
| Flight Software | Rev BD + 1 set of patches
|
Nominal |
| Inhibit Ids Set | None | Nominal |
| TMONs Enabled | 66, 67 | Nominal |
This Week’s Completed MODIS Activities:
Saturday, May 20, 2000
None
Sunday, May 21, 2000
None
Monday, May 22, 2000
2000/143 20:02:00 ATC - Blackbody to 270K
Tuesday, May 23, 2000
2000/144 14:00:00 ATC Blackbody to 315K
2000/144 14:05:00 Real-time Set Blackbody duty cycle to 100%
2000/144 18:21:20 Set EDS Flag per request from Kaufman
2000/144 18:25:30 Clear EDS Flag per request from Kaufman
2000/144 21:00:00 ATC Blackbody to 270K
2000/144 21:30:00 Real-time Set Blackbody duty cycle to 33%
Wednesday, May 24, 2000
2000/145 08:41:38 ATC OA16 SD/SDSM Open
2000/145 10:20:31 ATC OA16 SD/SDSM Screened
2000/145 19:00:00 ATC Blackbody to 290K
Thursday, May 25, 2000
None
Friday, May 26, 2000
2000/147 10:08:04 ATC OA16 SD/SDSM Screened
This Week's Scheduled MODIS Activities Not Completed:
None
Upcoming MODIS Events:
Saturday, May 27, 2000
None
Sunday, May 28, 2000
None
Monday, May 29, 2000
2000/150 20:02:00 ATC - Blackbody to 270K
Tuesday, May 30, 2000
2000/151 14:00:00 ATC Blackbody to 315K
2000/151 14:05:00 Real-time Set Blackbody duty cycle to 100%
2000/151 21:00:00 ATC Blackbody to 270K
2000/151 21:00:00 Real-time Set Blackbody duty cycle to 33%
Wednesday, May 31, 2000
2000/152 ?? ATC OA16 SD/SDSM Open
2000/152 ?? ATC OA16 SD/SDSM Screened
2000/152 17:12:40 ATC OA03 – Formatter Day Mode (Normal Operation)
2000/152 18:02:04 ATC OA04 – Formatter Night Mode (REMOVED)
MODIS will remain in Day Mode during this Night Time Ground Track.
This Ground Track covers the Indian Ocean and Asian Continent.
2000/152 18:51:32 ATC OA03 – Formatter Day Mode (REMOVED)
This command is unnecessary, MODIS will already be in Day Mode.
2000/152 19:00:00 ATC Blackbody to 290K
2000/152 19:40:57 ATC OA04 – Formatter Night Mode (Normal Operation)
Thursday, June 1, 2000
None
Friday, June 2, 2000
2000/154 ?? ATC OA16 SD/SDSM Screened
Maneuvers:
Tue, June 20, 2000 – Drag Makeup Maneuver
Wed, June 21, 2000 – MODIS Roll #1 (2000/173/21:50:10 – 21:56:40), roll degree = -18.0044
Wed, June 21, 2000 – MODIS Roll #2 (2000/173/23:28:43 – 23:35:13), roll degree = -17.4518
Wed, June 21, 2000 – MODIS Roll #3 (2000/174/01:07:16 – 01:13:46), roll degree = -16.9070
MODIS Anomalies:
None.
General Instrument Comments:
MODIS is in Science Mode on the A-side with the SVD and NAD open.
The upcoming Day 152 Day Rate collection during a Night Time Ground Track will exceed the normal MODIS SSR allocation. Members of the FOT, EDOS, and the DAAC have assisted with the planning of additional TDRSS Science Data Playbacks to prevent the overflow of the MODIS Buffer. The resources necessary for these additional playbacks have been scheduled. Baring a failed or delayed playback, there should be no reason for any science data loss during this period of high volume MODIS data.
MODIS Telemetry Trends:
Telemetry is nominal.
Non-MODIS Significant Events:
None.
Limited Life Item Status:
SRCA 10W Lamp #1: 163.9 of 500 hours
SRCA 10W Lamp #2: 131.0 of 500 hours
SRCA 10W Lamp #3: 140.2 of 500 hours
SRCA 10W Lamp #4: 61.5 of 500 hours
SRCA 1W Lamp #1: 554.3 of 4000 hours
SRCA 1W Lamp #2: 276.3 of 4000 hours
Solar Diffuser Door: 1351 of 3022 Movements
Nadir Aperture Door: 532 of 1316 Movements
Space View Door: 437 of 1316 Movements