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am1weekly_2000-106_2000-112

Mission Operations Days: 2000/106 to 2000/112
April 15, 2000 00:00:00 GMT to April 21, 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
ComponentState(s)Comment
BlackbodyA On (290 K); B OffNominal
Calibration ElectronicsA On; B OffNominal
Control ProcessorA On; B OffNominal
Nadir DoorUnlatched, OpenNominal
Space View DoorUnlatched, OpenNominal
Solar Diffuser DoorUnlatched, ClosedNominal
FDDI FormatterA On; B OffNominal
FDDI PortA On; B OffNominal
FIFO Memory#1 & #2 On; #3 & #4 OffNominal
Format ProcessorA On; B OffNominal
Power Supplies#1 On, #2 OffNominal
PV VIS FPAA On; B OffNominal
PV NIR FPAA On; B OffNominal
PV SMIR FPAA On; B OffNominal
PV LWIR FPAA On; B OffNominal
PC LWIR FPAA On; B OffNominal
RC Outgas HeatersAll Off (CS, IS, OS)Nominal
RC LWIR FPA HeaterOn (83 K)Nominal
RC SMIR FPA HeaterOffNominal
Scan AssemblyA On; B OffNominal
SDSMA Off; B OffNominal
SRCAA Off; B OffNominal
PS1 Survival HeaterEnabledNominal
PS2 Survival HeaterEnabledNominal
Timing GeneratorA On; B OffNominal
Flight SoftwareRev BD + 1 set of patches
  • FR Band 14H Gain Change (10 commands)
Nominal
Inhibit Ids SetNoneNominal
TMONs Enabled66, 67Nominal

This Week’s Completed MODIS Activities:

Saturday, April 15, 2000

None

Sunday, April 16, 2000

None

Monday, April 17, 2000

2000/108 20:02:00 ATC Blackbody to 270K

Tuesday, April 18, 2000

2000/109 14:00:00 ATC Blackbody to 315K
2000/109 13:48:30 Real-time Set Blackbody duty cycle to 100%
2000/109 21:00:00 ATC Blackbody to 270K
2000/109 21:18:05 Real-time Set Blackbody duty cycle to 33%

Wednesday, April 19, 2000

2000/110 19:00 ATC Blackbody to 290K

Thursday, April 20, 2000

None

Friday, April 21, 2000

2000/112 08:00:53 ATC OA-16 SD/SDSM Screened
2000/112 12:45:00 Real-time – Clear inhibit ID 54 (SRCA)
2000/112 13:46:57 ATC – SRCA Spectrals, 30W Part 1
2000/112 15:41:42 ATC – SRCA Spectrals, 30W Part 2
2000/112 17:04:08 ATC – SRCA Spectrals, 10W Part 1
2000/112 18:59:27 ATC – SRCA Spectrals, 10W Part 2

This Week's Scheduled MODIS Activities Not Completed:

None

Upcoming MODIS Events:


Note that the Nadir Aperture Door (Earth View) will be CLOSED Tuesday thru Friday due to maneuvers.


Saturday, April 22, 2000

None

Sunday, April 23, 2000

None

Monday, April 24, 2000

None

Tuesday, April 25, 2000

**Note: Day/Night transitions today are abnormal due to yaw maneuvers.
2000/116 ?? Real-time Close Nadir Aperture Door
2000/116 12:30:04 ATC OA-15 SD/SDSM Open

2000/116 14:05:40 ATC – Set SciAbnormal Flag
2000/116 14:05:42 – 14:31:14 Yaw Maneuver #1 (+15.1296 deg)
2000/116 14:08:17 ATC – MOD_OA09_SD_YAW_OPEN_DBL_A
2000/116 14:31:16 ATC – Clear SciAbnormal Flag

2000/116 15:45:37 ATC – Set SciAbnormal Flag
2000/116 15:45:39 – 16:09:03 Yaw Maneuver #2 (+11.9552 deg)
2000/116 15:47:10 ATC – MOD_OA09_SD_YAW_OPEN_DBL_A
2000/116 16:09:05 ATC – Clear SciAbnormal Flag

2000/116 17:25:34 ATC – Set SciAbnormal Flag
2000/116 17:25:36 – 17:46:52 Yaw Maneuver #3 (+8.7552 deg)
2000/116 17:26:03 ATC – MOD_OA09_SD_YAW_OPEN_DBL_A
2000/116 17:46:54 ATC – Clear SciAbnormal Flag

2000/116 19:05:31 ATC – Set SciAbnormal Flag
2000/116 19:05:33 – 19:23:41 Yaw Maneuver #4 (+5.5552 deg)
2000/116 19:04:56 ATC – MOD_OA09_SD_YAW_OPEN_DBL_A
2000/116 19:23:43 ATC – Clear SciAbnormal Flag

2000/116 20:45:27 ATC – Set SciAbnormal Flag
2000/116 20:45:29 – 21:02:29 Yaw Maneuver #5 (+2.3658 deg)
2000/116 20:43:49 ATC – MOD_OA09_SD_YAW_OPEN_DBL_A
2000/116 21:02:31 ATC – Clear SciAbnormal Flag

2000/116 22:24:51 ATC – Set SciAbnormal Flag
2000/116 22:24:53 – 22:40:44 Yaw Maneuver #6 (-0.82208 deg)
2000/116 22:22:41 ATC – MOD_OA09_SD_YAW_OPEN_DBL_A
2000/116 22:40:46 ATC – Clear SciAbnormal Flag

2000/117 00:02:14 ATC OA-15 SD/SDSM Open

Wednesday, April 26, 2000

**Note: Day/Night transitions today are abnormal due to yaw maneuvers.
2000/117 11:34:24 ATC OA-16 SD/SDSM Screened

2000/117 13:09:57 ATC – Set SciAbnormal Flag
2000/117 13:09:59 – 13:35:35 Yaw Maneuver #1 (+15.2576 deg)
2000/117 13:12:36 ATC – MOD_OA09_SD_YAW_SCREEN_DBL_A
2000/117 13:35:37 ATC – Clear SciAbnormal Flag

2000/117 14:49:44 ATC – Set SciAbnormal Flag
2000/117 14:49:46 – 15:13:06 Yaw Maneuver #2 (+12.0576 deg)
2000/117 14:51:29 ATC – MOD_OA09_SD_YAW_SCREEN_DBL_A
2000/117 15:13:08 ATC – Clear SciAbnormal Flag

2000/117 16:29:51 ATC – Set SciAbnormal Flag
2000/117 16:29:53 – 16:51:13 Yaw Maneuver #3 (+8.8576 deg)
2000/117 16:30:22 ATC – MOD_OA09_SD_YAW_SCREEN_DBL_A
2000/117 16:51:15 ATC – Clear SciAbnormal Flag

2000/117 18:09:03 ATC – Set SciAbnormal Flag
2000/117 18:09:50 – 18:29:02 Yaw Maneuver #4 (+5.68323 deg)
2000/117 18:09:05 ATC – MOD_OA09_SD_YAW_SCREEN_DBL_A
2000/117 18:29:04 ATC – Clear SciAbnormal Flag

2000/117 19:48:06 ATC – Set SciAbnormal Flag
2000/117 19:49:45 – 20:06:50 Yaw Maneuver #5 (+2.4665 deg)
2000/117 19:48:08 ATC – MOD_OA09_SD_YAW_SCREEN_DBL_A
2000/117 20:06:52 ATC – Clear SciAbnormal Flag

2000/117 21:26:58 ATC – Set SciAbnormal Flag
2000/117 21:29:14 – 21:44:57 Yaw Maneuver #6 (-0.70884 deg)
2000/117 21:27:00 ATC – MOD_OA09_SD_YAW_SCREEN_DBL_A
2000/117 21:45:18 ATC – Clear SciAbnormal Flag

11723:06:33 ATC OA-16 SD/SDSM Screened

Thursday, April 27, 2000

2000/118 01:40:14 ATC – SRCA Full Spatial
2000/118 09:54:34 ATC – Set SciAbnormal Flag
2000/118 09:54:36 ATC – Sector Rotation to –3400
2000/118 09:54:38 ATC – SRCA Full Spatial
2000/118 10:52:11 ATC – Sector Rotation to Zero
2000/118 10:52:13 ATC - Clear SciAbnormal Flag

2000/118 ?? Real-time Ecals Special Test
2000/118 20:13:04 ATC – Set SciAbnormal Flag
2000/118 20:13:06 – 20:38:06 Real-time Inclination Maneuver #1
2000/118 20:38:08 ATC – Clear SciAbnormal Flag

Friday, April 28, 2000

2000/119 19:17:25 ATC – Set SciAbnormal Flag
2000/119 19:17:27 – 19:42:27 Real-time Inclination Maneuver #2
2000/119 19:42:29 ATC – Clear SciAbnormal Flag

2000/119 ?? Real-time Open Nadir Aperture Door

Maneuvers:

Tue, April 25, 2000 - MODIS Yaw Maneuvers
Wed, April 26, 2000 - MODIS Yaw Maneuvers
Thur, April 27, 2000 - Inclination Maneuver
Fri, April 28, 2000 - Inclination Maneuver; Post-inclination Drag Makeup Maneuver
Sat, April 29, 2000 - Possible need for drag make-up maneuver

MODIS Anomalies:

None.

General Instrument Comments:

MODIS is in Science Mode on the A-side with the SVD and NAD open.

MODIS Telemetry Trends:

Telemetry is nominal.

Non-MODIS Significant Events:

None.

Limited Life Item Status:

SRCA 10W Lamp #1: 153.9 of 500 hours
SRCA 10W Lamp #2: 128.7 of 500 hours
SRCA 10W Lamp #3: 137.9 of 500 hours
SRCA 10W Lamp #4: 61.5 of 500 hours

SRCA 1W Lamp #1: 545.8 of 4000 hours
SRCA 1W Lamp #2: 276.3 of 4000 hours

Solar Diffuser Door: 1277 of 3022 Movements
Nadir Aperture Door: 530 of 1316 Movements
Space View Door: 436 of 1316 Movements