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CERES-TRMM Table of Operations


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Image: Previous Month January 1999 Image: Next Month
Day
of
Month
Day
of
Year
Scan Mode Beta
Angle,
deg
Calibrations, UT Special Operations/Comments
Internal Solar
Cross
Track
Unrestricted
Biaxial
Restricted
Biaxial
Sunrise Sunset
11InSurvivalMode-53------ A leap second adjustment was made to value of UTCF at 00:00:00 January 1, 1999. New UTCF = 31535996.872372 seconds.
22InSurvivalMode-56------ 
33InSurvivalMode-57------ 
44InSurvivalMode-58------ Minimum Beta Angle for cycle.
55InSurvivalMode-57------ 
66InSurvivalMode-55------ Orbit Adjustment (Delta V maneuvers)
77InSurvivalMode-53------ 
88InSurvivalMode-50------ 
99InSurvivalMode-46------ 
1010InSurvivalMode-42------ 
1111InSurvivalMode-37------ Orbit Adjustment (Delta V maneuvers)
1212InSurvivalMode-33------ 
1313InSurvivalMode-28------ 
1414InSurvivalMode-24------ 
1515InSurvivalMode-19------ 
1616InSurvivalMode-14------ Orbit Adjustment (Delta V maneuvers)
1717InSurvivalMode-10------ 
1818InSurvivalMode-6------ 
1919X
TRK
At Az =243.66 deg-223:41:13---- ScaRab instrument overlap measurements. Inst powered on, initialized at 21:14 UT. Commanded to X-track mode, Az angle = 243.66 degrees, at 22:37 UT.Spacecraft yaw maneuver - 16:52:10 UT, -X to +X forward. Beta changed (- to + values).
2020X
TRK
At Az =243.66 deg2 03:01:25
05:35:57
10:10:57
19:54:24
13:14:20
16:17:02
---- ScaRab instrument overlap measurements. Orbit Adjustment (Delta V maneuvers)
2121X
TRK
At Az =243.66 deg522:56:34---- ScaRab instrument overlap measurements.
2222InSurvivalMode8------ Began day in X-track mode, Az = 243.66 deg. Commanded to Az = 180 deg at 00:37:20 UT. Commanded to safe mode and powered down at 02:51 UT.
2323InSurvivalMode11------ 
2424InSurvivalMode13------ Orbit Adjustment (Delta V maneuvers)
UTCF value adjusted. New UTCF = 31535996.871481 seconds.
2525InSurvivalMode15------ 
2626InSurvivalMode16------ 
2727InSurvivalMode16------ Maximum Beta Angle for cycle.
2828InSurvivalMode16------ 
2929InSurvivalMode16------ Orbit Adjustment (Delta V maneuvers)
3030InSurvivalMode14------ 
3131InSurvivalMode13------ 
 
  Image: NASA Logo NASA Official: Dr. Norman Loeb
Page Curator: Edward Kizer
Page Last Modified: 10/16/2017 11:05:18 EST
Site Last Modified: 11/07/2017 17:18:43 EST