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MODIS IOT Terra Weekly Report

Mission Operations Days: 2002/334 to 2002/340
November 29, 2002 20:00:00 GMT to December 6, 2002 20:00:00 GMT

Terra Spacecraft and MODIS Instrument Status:

AM-1 "Terra" is in Normal Mode
PFM MODIS is in A-Side Science Mode
(Cross Strapped with FR B)
Component State(s) Comment
Blackbody A On (290 K); B Off Nominal Science Mode
Calibration ElectronicsA On; B Off Nominal Science Mode
Control Processor A On; B Off Nominal Science Mode
Nadir Door Unlatched, Open Nominal Science Mode
Space View Door Unlatched, Open Nominal Science Mode
Solar Diffuser Door Unlatched, Closed Nominal Science Mode
FDDI Formatter A On; B Off Nominal Science Mode
FDDI Port A On; B Off Nominal Science Mode
FIFO Memory #1 & #2 On; #3 & #4 OffNominal Science Mode
Format Processor A Off; B On Nominal Science Mode
Power Supplies #1 On, #2 Off Nominal Science Mode
PV VIS FPA A On; B Off Nominal Science Mode
PV NIR FPA A On; B Off Nominal Science Mode
PV SMIR FPA A On; B Off Nominal Science Mode
PV LWIR FPA A On; B Off Nominal Science Mode
PC LWIR FPA A On; B Off Nominal Science Mode
RC Outgas Heaters All Off (CS, IS, OS) Nominal Science Mode
RC LWIR FPA Heater On (83 K) Nominal Science Mode
RC SMIR FPA Heater Off Nominal Science Mode
Scan Assembly A On; B Off Nominal Science Mode
SDSM Off Nominal Science Mode
SRCA Off Nominal Science Mode
PS1 Survival Heater Enabled Nominal Science Mode
PS2 Survival Heater Enabled Nominal Science Mode
Timing Generator A On; B Off Nominal Science Mode
Flight Software Rev BD + 9 sets of patches
  • CP07 to Safe Mode - No FR OFF Command (1 patch)
  • CP07 to Science Mode - Turn on FRB instead of FRA (1 patch)
  • CP07 to Outgas and Science Mode - Turn on FRB instead of FRA (1 patch)
  • FR Error Counting and Statistics (2 patches)
  • FR 1000ms time code patches (3 patches)
  • FR Band 5 Gain Change (20 commands)
  • FR BB Ideal Output Values (1 patch)
  • FR A EEPROM KME Fast 1 word patch (1 patch)
  • FR B EEPROM KME Fast 1 word patch (1 patch)
 Nominal Science Mode
Inhibit Ids Set 33,37,53 Control Processor, SDSM, and (non-day/night) Formatter commands
TMON 66 Disabled Nominal Science Mode
TMON 67 Disabled Nominal Science Mode
TMON 68 Enabled Nominal Science Mode
TMON 69 Disabled Nominal Science Mode

This Week’s Completed MODIS Activities:

Saturday, November 30, 2002

None

Sunday, December 1, 2002

None

Monday, December 2, 2002:

None

Tuesday, December 3, 2002

None

Wednesday, December 4, 2002

None

Thursday, December 5, 2002

2002/339 10:39:03 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/339 11:22:55 - 11:41:08 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/339 11:46:40 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/339 12:17:56 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/339 12:24:00 ATC Terra FOT commands spacecraft to Low Fidelity pointing
2002/339 13:01:25 ATC Beginning of forward yaw slew to +8.96 degrees
2002/339 13:01:49 - 13:20:02 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/339 13:23:22 ATC Completion of reverse yaw slew
2002/339 13:25:33 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/339 13:56:49 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/339 14:40:42 - 14:58:55 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/339 14:41:22 ATC Beginning of forward yaw slew to +5.76 degrees
2002/339 15:01:11 ATC Completion of reverse yaw slew
2002/339 15:04:27 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/339 15:35:43 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/339 16:19:35 - 16:37:48 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/339 16:21:20 ATC Beginning of forward yaw slew to +2.53 degrees
2002/339 16:39:00 ATC Completion of reverse yaw slew
2002/339 16:43:20 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/339 17:14:36 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/339 17:58:29 - 18:16:42 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/339 18:00:51 ATC Beginning of forward yaw slew to -0.65 degrees
2002/339 18:17:04 ATC Completion of reverse yaw slew
2002/339 18:22:13 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/339 18:53:29 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/339 19:37:22 - 19:55:35 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/339 19:38:40 ATC Beginning of forward yaw slew to -3.87 degrees
2002/339 19:57:13 ATC Completion of reverse yaw slew
2002/339 20:01:06 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/339 20:32:23 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/339 21:16:15 - 21:34:28 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/339 21:16:28 ATC Beginning of forward yaw slew to -7.09 degrees
2002/339 21:37:11 ATC Completion of reverse yaw slew
2002/339 21:40:00 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/339 22:10:00 Real-time Terra FOT commands spacecraft to High Fidelity pointing
2002/339 22:11:16 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/339 22:55:08 - 23:13:21 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/339 23:18:53 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/339 23:20:20 Real-time Terra FOT sets inhibit ID # 33 (MODIS CP commands)
2002/339 23:20:40 Real-time Terra FOT sets inhibit ID # 37 (MODIS FR commands)
2002/339 23:21:00 Real-time Terra FOT clears inhibit IDs # 33,37 (MODIS CP/ FR commands)

Friday, December 6, 2002

2002/340 00:01:35 Real-time Terra FOT sets inhibit ID # 33 (MODIS CP commands)
2002/340 00:02:10 Real-time Terra FOT sets inhibit ID # 37 (MODIS FR commands)
2002/340 00:02:50 Real-time Terra FOT sets inhibit ID # 53 (MODIS SDSM commands)
2002/340 11:22:22 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/340 12:29:59 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/340 13:01:15 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/340 14:08:51 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/340 14:40:08 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/340 15:47:45 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/340 16:19:01 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/340 17:26:39 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/340 17:57:55 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/340 19:05:32 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/340 19:36:48 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/340 20:44:25 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection

This Week’s Scheduled MODIS Activities Not Completed:

The second day of yaw maneuver SD calibrations was cancelled, however, the formatter day/night transitions were still scheduled taking into account these calibrations.

2002/340 12:06:14 - 12:24:27 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/340 13:45:07 - 14:03:20 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/340 15:24:00 - 15:42:13 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/340 17:02:54 - 17:21:07 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/340 18:41:47 - 19:00:00 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/340 20:20:40 - 20:38:53 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/340 21:59:33 - 22:17:46 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/340 23:38:27 - 23:56:40 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD

Upcoming MODIS Events:

December calibrations will include bi-weekly SD/SDSM events, an SRCA Full Radiometric, and a PV Electronics Calibration.

Two new SRCA calibrations will be performed in the near future; one of these new activities will use the “backup” lamps in the SRCA Spherical Integrating Source (SIS) for the first time on orbit.

Friday, December 6th, 2002 (2002/340)

2002/340 21:15:41 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/340 22:23:18 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/340 22:54:34 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection

Saturday, December 7th, 2002 (2002/341)

2002/341 00:02:11 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection

Wednesday, December 11th, 2002 (2002/345)

2002/345 10:02:12 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/345 10:46:05-11:04:18 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/345 11:09:49 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/345 11:41:05 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/345 12:24:58-12:43:11 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/345 12:48:42 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/345 13:19:58 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/345 14:03:51-14:22:04 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/345 14:27:35 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/345 14:58:51 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/345 15:42:44-16:00:57 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/345 16:06:29 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/345 16:37:45 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/345 17:21:37-17:39:50 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/345 17:45:22 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/345 18:16:38 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/345 19:00:30-19:18:43 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/345 19:24:15 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/345 19:55:31 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/345 20:39:24-20:57:37 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/345 21:03:08 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection
2002/345 21:34:24 ATC MOD_OA04_NIGHT_RATE.1 Moved 09:06 earlier to balance day/night collection
2002/345 22:18:17-22:36:30 ATC MOD_OA09_SD_YAW_OPEN_DBL_A.8 OA09: SD/SDSM calibration, SD full open, SDSM fixed at the SD
2002/345 22:42:01 ATC MOD_OA03_DAY_RATE.2 Moved 09:06 later to balance day/night collection

Maneuvers:

The next Terra MODIS Lunar Calibration via roll maneuver will be on December 24th, 2002 (2002/358). The roll angle will be -3.3484 degrees and the data collection period will be from 06:50:16 to 06:56:46 GMT.

The next Terra drag make-up maneuver is being planned for December 18th, 2002.

The Terra Deep Space Calibration Maneuver is still postponed.

Twenty-four small-angle yaw maneuvers are in the process of being worked to characterize the MODIS Solar Diffuser. See activity notes above.

MODIS Anomalies:

None

General Instrument Comments:

MODIS is in Science Mode, using all A-side components, but cross-strapped to Formatter B, with the blackbody maintained at 290K.

MODIS Telemetry Trends:

Nominal telemetry tracking is taking place. A slight increase in the radiative cooler intermediate stage temperature has been observed along with a decrease in the focal plane heater power usage. These telemetry points will be closely monitored for additional changes over the next several weeks.

Non-MODIS Significant Events:

The EMOS mission status webpage (which includes instrument data loss records) can be found at the following URL. Note that a password is now required to access the EOS mission links web pages. There are directions at the URL below for how to obtain a username/password.

http://jupiter02.gsfc.nasa.gov/links/links.htm

Limited Life Item Status:

Note: The lamp hours and door uses have been recomputed based on a detailed review of early on-orbit activities. Some values have changed slightly.

SRCA 10W Lamp #1: 204.8 of 500 hours
SRCA 10W Lamp #2: 155.3 of 500 hours
SRCA 10W Lamp #3: 164.5 of 500 hours
SRCA 10W Lamp #4: 61.5 of 500 hours

SRCA 1W Lamp #1: 560.6 of 4000 hours
SRCA 1W Lamp #2: 276.3 of 4000 hours

Solar Diffuser Door: 2005 of 3022 Movements
Nadir Aperture Door: 536 of 1316 Movements
Space View Door: 439 of 1316 Movements
Responsible Civil Servant: Ed Masuoka

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Last Update: Thursday, 27-Feb-2003 13:46:10 EST

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