MAIN PAGE
MODIS INFO
INSTRUMENT OPS
Weekly Reports
MODIS History
CALIBRATION
L1B PRODUCT INFO
& STATUS
CONTACTS & STAFF
ON-LINE DOCS
FREQUENTLY
ASKED QUESTIONS
SITE MAP
SEARCH
RELATED LINKS
MCST DICTIONARY
NASA/GSFC Website Privacy and Security Statement, Disclaimer, and Accessibility Certification
MODIS IOT Terra Weekly Report
Mission Operations Days: 2000/169 to 2000/175
June 16, 2000 20:00:00 GMT to June 23, 2000 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 MODIS has an anomaly with the LWIR focal plane. See description below. |
||
| 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 | 33 (CP Macros), 53 (SDSM) | CFPA Anomaly Investigation |
| TMONs Enabled | 66, 67 | Nominal |
This Week’s Completed MODIS Activities:
Saturday, June 17, 2000None
Sunday, June 18, 2000None
Monday, June 19, 2000
2000/171 07:38:57 ATC OA15 SD/SDSM Open
2000/171 09:17:50 ATC OA16 SD/SDSM Screened
2000/171 20:02:00 ATC - Blackbody to 270K
2000/172 14:00:00 ATC Blackbody to 315K
2000/172 13:55 Real-time Set Blackbody duty cycle to 100%
2000/172 21:00:00 ATC Blackbody to 270K
2000/172 21:00 Real-time Set Blackbody duty cycle to 33%
2000/173 09:15:26 ATC OA16 SD/SDSM Screened
2000/173 18:42 Real-Time - Set SMIR Itwk / Vdet to 79 / 190
2000/173 19:00:00 ATC Blackbody to 290K
2000/173 19:05:48 ATC Load - OA25: SRCA 1W Spatial w/Sector Rotation, the BC and ND Filter
2000/173 20:42:48 ATC Load - OA25: SRCA 10W Spatial w/ Sector Rotation and Spectral Slit,
the BC and ND Filter
MODIS Roll Sequence #1 (21:41:30 - 22:03:00)
2000/173 21:34:21 ATC Load - Set Formatter to Night Rate 00:03:15 early (for 50/50 SSR buffer)
2000/173 21:50:10 ATC Load - Set Formatter to Day Rate (for Lunar Roll)
2000/173 21:50:12 ATC Load - Set SCIABNORM Flag to ABNORM
2000/173 21:50:14 ATC Load - PC DC Restore OFF
2000/173 21:50:16 ATC Load - PV DC Restore OFF
2000/173 21:50:18 ATC Load - Sector Rotation to -3072 (EA to SV and OBCs)
2000/173 21:56:32 ATC Load - Sector Rotation to 0 (Normal)
2000/173 21:56:34 ATC Load - PC DC Restore ON
2000/173 21:56:36 ATC Load - PV DC Restore ON
2000/173 21:56:38 ATC Load - Set SCIABNORM Flag to NORM
2000/173 21:56:40 ATC Load - Set Formatter to Night Rate (for Lunar Roll)
2000/173 22:30:18 ATC Load - Set Formatter to Day Rate 00:03:15 late (for 50/50 SSR buffer)
MODIS Roll Sequence #2 (23:20:15- 23:41:04)
2000/173 22:42 Real-Time - Set SMIR Itwk / Vdet to 110 / 226
2000/173 23:13:14 ATC Load - Set Formatter to Night Rate 00:03:15 early (for 50/50 SSR buffer)
2000/173 23:28:43 ATC Load - Set Formatter to Day Rate (for Lunar Roll)
2000/173 23:28:45 ATC Load - Set SCIABNORM Flag to ABNORM
2000/173 23:28:47 ATC Load - PC DC Restore OFF
2000/173 23:28:49 ATC Load - PV DC Restore OFF
2000/173 23:28:51 ATC Load - Sector Rotation to -3072 (EA to SV and OBCs)
2000/173 23:35:05 ATC Load - Sector Rotation to 0 (Normal)
2000/173 23:35:07 ATC Load - PC DC Restore ON
2000/173 23:35:09 ATC Load - PV DC Restore ON
2000/173 23:35:11 ATC Load - Set SCIABNORM Flag to NORM
2000/173 23:35:13 ATC Load - Set Formatter to Night Rate (for Lunar Roll)
MODIS Roll Sequence #3 (00:58:59- 01:19:37)
2000/174 00:09:11 ATC Load - Set Formatter to Day Rate 00:03:15 late (for 50/50 SSR buffer)
2000/174 00:18 Real-Time - Set SMIR Itwk / Vdet to 100 / 218
2000/174 00:52:07 ATC Load - Set Formatter to Night Rate 00:03:15 early (for 50/50 SSR buffer)
2000/174 01:07:16 ATC Load - Set Formatter to Day Rate (for Lunar Roll)
2000/174 01:07:18 ATC Load - Set SCIABNORM Flag to ABNORM
2000/174 01:07:20 ATC Load - PC DC Restore OFF
2000/174 01:07:22 ATC Load - PV DC Restore OFF
2000/174 01:07:24 ATC Load - Sector Rotation to -3072 (EA to SV and OBCs)
2000/174 01:13:38 ATC Load - Sector Rotation to 0 (Normal)
2000/174 01:13:40 ATC Load - PC DC Restore ON
2000/174 01:13:42 ATC Load - PV DC Restore ON
2000/174 01:13:44 ATC Load - Set SCIABNORM Flag to NORM
2000/174 01:13:46 ATC Load - Set Formatter to Night Rate (for Lunar Roll)
2000/174 01:19:37 MODIS Lunar Roll #3 (End)
2000/174 01:48:05 ATC Load - Set Formatter to Day Rate 00:03:15 late (for 50/50 SSR buffer)
2000/174 01:51:29 ATC Load - OA25: SRCA 1W Spatial w/Sector Rotation, the BC and ND Filter
2000/174 03:25:48 ATC Load - OA25: SRCA 10W Spatial w/Sector Rotation and Spectral Slit,
the BC and ND Filter
2000/174 04:25 Real-Time - Set SMIR Itwk / Vdet to 110 / 226
2000/174 19:35 Real-Time – Set Inhibit ID 33 for CP commands to prevent door macros from
executing.
2000/174 20:00 Real-Time – Set Inhibit ID 53 for SD/SDSM commands to prevent SDSM from
turning on.
None
This Week's Scheduled MODIS Activities Not Completed:
Friday, June 23, 20002000/175 22:04:12 ATC OA16 SD/SDSM Screened
Door and SDSM activities were inhibited while anomaly resolution continues.
Upcoming MODIS Events:
Saturday, June 27, 2000None
Sunday, June 25, 2000None
Monday, June 26, 20002000/178 20:02:00 ATC - Blackbody to 270K
Tuesday, June 27, 2000
2000/179 14:00:00 ATC Blackbody to 315K
2000/179 14:?? Real-time Set Blackbody duty cycle to 100%
2000/179 21:00:00 ATC Blackbody to 270K
2000/179 21:?? Real-time Set Blackbody duty cycle to 33%
2000/180 19:00:00 ATC Blackbody to 290K
Thursday, June 29, 2000None
Friday, June 30, 2000None
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:
MODIS appears to have stopped controlling on the LWIR Focal Plane. Analysis is underway. Solar Diffuser Door operations are suspended during this analysis.
General Instrument Comments:
MODIS is in Science Mode on the A-side with the SVD and NAD open.
MODIS Telemetry Trends:
See MODIS Anomalies section.
Non-MODIS Significant Events:
None. The DMU (Drag Make-Up Maneuver) and the MODIS Roll maneuvers were nominal.
Limited Life Item Status:
SRCA 10W Lamp #1: 167.2 of 500 hours
SRCA 10W Lamp #2: 132.7 of 500 hours
SRCA 10W Lamp #3: 141.9 of 500 hours
SRCA 10W Lamp #4: 61.5 of 500 hours
SRCA 1W Lamp #1: 555.1 of 4000 hours
SRCA 1W Lamp #2: 276.3 of 4000 hours
Solar Diffuser Door: 1381 of 3022 Movements
Nadir Aperture Door: 532 of 1316 Movements
Space View Door: 437 of 1316 Movements
Email the MODIS IOT
to report any problem with the MODIS IOT Web Pages.
Email the MCST Webmaster
to report any problem with the MCST Web Pages.
Email the MCST Helpdesk
to ask a question about Level 1B usage, algorithms or software.
Last Update: Thursday, 27-Feb-2003 13:39:13 EST
