Mission Operations Days: 2012/204 through 2012/210
July 21, 2012 20:00:00 GMT to July 27, 2012 20:00:00 GMT
Terra Spacecraft and MODIS Instrument Status:
| AM-1 "Terra" is in Normal Mode PFM MODIS is in A-Side Nominal Science Mode (Cross Strapped with FR B) |
||
|---|---|---|
| Component | State(s) | Comment |
| Blackbody | A On (290K); B Off | Nominal Science Mode |
| Calibration Electronics | A 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, Screened | Permanent Configuration |
| 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 Off | Nominal 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 3 (CS, IS, OS) Off | Nominal Science Mode |
| RC LWIR FPA Heater | On (83K) | 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 + 11 sets of patches
|
Nominal Science Mode |
| Inhibit Ids Set | none | Nominal Science Mode |
| 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, July 21, 2012
None
Sunday, July 22, 2012
None
Monday, July 23, 2012
None
Tuesday, July 24, 2012
None
Wednesday, July 25, 2012
2012/207 11:59:25-11:59:54 ATC MOD_SRCA_9_8_2_SETUP_CC.1
SRCA setup activity using lamps 1, 4, and 5, and in constant current
feedback mode.
2012/207 12:0225-12:54:06 ATC MOD_OA22_SRCA_FULL_SPECT_1.1
OA-22: SRCA Full Spectral Calibration Part 1
20W-lamp data collection is from 12:21:59-12:57:45.
2012/207 17:11:37-17:54:28 ATC MOD_OA22_SRCA_FULL_SPECT_2.1
OA-22: SRCA Full Spectral Calibration Part 2
20W-lamp data collection is from 17:15:14-17:49:45.
2012/207 18:34:53-18:35:22 ATC MOD_SRCA_9_8_2_SETUP_CC.1
SRCA setup activity using lamps 1, 4, and 5, and in constant current
feedback mode.
2012/207 18:37:53-19:29:11 ATC MOD_OA22_SRCA_FULL_SPECT_3.1
OA-22: SRCA Full Spectral Calibration Part 3
10W-lamp data collection is from 18:57:58-19:32:31.
2012/207 20:28:10-21:13:27 ATC MOD_OA22_SRCA_FULL_SPECT_4.1
OA-22: SRCA Full Spectral Calibration Part 4
10W-lamp data collection is from 20:31:47-21:09:47.
Thursday, July 26, 2012
None
Friday, July 27, 2012
None
This Week's Scheduled MODIS Activities Not Completed:
None
This Month's Upcoming MODIS Events:
Calibrations for July 2012 will include a Lunar Roll (DOY 190), a PV Ecal (DOY 197), an SRCA Radiometric (DOY 198), an SDSM Screened (DOY 199), and an SRCA Spectral (DOY 207).
Maneuvers:
There will be a Terra Drag Make Up Maneuver (DMU) #68 on DOY 222 (08/09/2012). Maneuver start time is set for 222/14:55:00 and maneuver end time is set for 222/15:02:15. Approximate burn duration is 15 seconds. The preliminary loss of pointing accuracy times are 222/13:32:00 - 17:32:00.
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 and the Solar Diffuser Door at the Screened position.
MODIS Telemetry Trends:
Nominal telemetry trending is ongoing.
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.
Following the Inclination Maneuver on DOY 286 (10/13/09), Terra experienced a Hex Bay Battery (BBAT) cell #50 failure and simultaneously (or close to same time) experienced a Battery Heater Control Electronic anomaly which prevents controlling the temperature for 5 of the 9 heater groups within BBAT. Cell #50 has failed and is non-recoverable. Battery temperatures have stabilized and battery cell temperatures are within an acceptable range. Terra has a robust power system with two 54 cell batteries that feed a power control system that maintains a stable 120V spacecraft power bus even if multiple cells fail. At this point in time the Terra Battery Anomaly is not affecting science data collection and all MODIS systems are nominal. There has been little if any impact to operations since the issue began. All operations are nominal.
http://jupiter02.gsfc.nasa.gov/
Limited Life Item Status:
SRCA 10W Lamp #1: 306.7 of 500 hours
SRCA 10W Lamp #2: 172.1 of 500 hours
SRCA 10W Lamp #3: 190.3 of 500 hours
SRCA 10W Lamp #4: 105.1 of 500 hours
SRCA 1W Lamp #1: 584.8 of 4000 hours
SRCA 1W Lamp #2: 282.0 of 4000 hours
Solar Diffuser Door: 2146 of 3022 Movements
Nadir Aperture Door: 540 of 1316 Movements
Space View Door: 443 of 1316 Movements