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Mission Operations Days: 2000/030 to 2000/036
January 30, 2000 00:00:00 GMT to February 05, 2000 00:00:00 GMT

Terra Spacecraft and MODIS Instrument Status:

Terra (AM-1) is in Normal Ops Mode
MODIS is in Safe Mode
MODIS has no known Anomalies
Component State(s) Comment
Blackbody A Off; B Off Nominal
Calibration Electronics A Off; B Off Nominal
Control Processor A Off; B On Nominal
Nadir Door Unlatched, Closed Nominal
Space View Door Unlatched, Closed Nominal
Solar Diffuser Door Unlatched, Closed Nominal
FDDI Formatter A Off; B Off Nominal
FDDI Port A Off; B Off Nominal
FIFO Memory #1 & #2 Off; #3 & #4 Off Nominal
Format Processor A Off; B Off Nominal
Power Supplies #1 Off, #2 On Nominal
PV VIS FPA A Off; B Off Nominal
PV NIR FPA A Off; B Off Nominal
PV SMIR FPA A Off; B Off Nominal
PV LWIR FPA A Off; B Off Nominal
PC LWIR FPA A Off; B Off Nominal
RC Outgas Heaters All Off (CS, IS, OS) Nominal
RC LWIR FPA Heater Off Nominal
RC SMIR FPA Heater Off Nominal
Scan Assembly A Off; B Off Nominal
SDSM Off Nominal
SRCA Off Nominal
PS1 Survival Heater Enabled Nominal
PS2 Survival Heater Enabled Nominal
Timing Generator A Off; B On Nominal
Flight Software Rev BD Nominal
Inhibit Ids Set 31,32,33,53,58 BB, CE, CP, SDSM, SD
TMONs Enabled None Nominal

This Week’s Completed MODIS Activities:

Sunday, January 30, 2000


Monday, January 31, 2000


Tuesday, February 1, 2000


Wednesday, February 2, 2000


Thursday, February 3, 2000


Friday, February 4, 2000


Saturday, February 5, 2000


This Week's Scheduled MODIS Activities Not Completed:


Upcoming MODIS Events:

MODIS will recover from Safe Mode and transition to Science Mode on Friday, February 11, 2000. The following events will occur:

Transition to Stanby Mode
Move the SVD to open position
Transition to Science Mode
Run PV Ecal with warm FPAs
Turn on the Blackbody
Set the Blackbody heater temperature to 285K
Open the SDD to the screened position
Close the SDD
Wait at least 5 minutes
Open the SDD to full open position
Close the SDD

No other activities are planned for the week.

MODIS Anomalies:


General Instrument Comments:

MODIS is currently in Safe Mode with all three doors closed and unlatched. The timing generator is powered on the B side due to the transition to Safe Mode from Science Mode.

MODIS Telemetry Trends:

Telemetry is nominal.

Non-MODIS Significant Events:

2000/033 19:57 A 20 second thruster burn occurred and was successful.

2000/033 20:07 A 20 second thruster burn occurred and was successful.

Limited Life Item Status:

All limited life items are well within lifetime ranges. The precise statistics for each item have been received from LMMS/Valley Forge and will be incorporated next week.