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CERES-TRMM Table of Operations


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Image: Previous Month April 1998 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
191X-----30------ Minimum Beta Angle for cycle
292--X---30------ 
393X-----29------ 
494X-----27------ Orbit Adjustment (Delta V maneuvers)
595--X---25------ 
696X-----22------ 
797X-----19------ 
898----X-1514:11:00--13:08:40 
999X-----11------ 
10100X-----7------ Orbit adjustment (Delta V maneuvers)
11101----X-2------ Spacecraft yaw maneuver - 19:11:05, -X axis to +X axis forward, Beta changed (- to + values)
12102X----2------ 
13103X----7------ 
14104----X12------ 
15105X----16------ 
16106X----21------ Orbit adjustment (Delta V maneuvers)
17107--X--26------ 
18108X----30------ 
19109X----34------ 
20110--X--38------ 
21111X----41------ 
22112X----4414:59:00--13:55:20 
23113--*Alongtrack--46------ Orbit adjustment (Delta V maneuvers), Instrument commanded to safe due to solar warning at beginning of day due to command error.
24114X----48------ 
25115X----48------ Maximum beta angle for cycle. Instrument safed due to spacecraft Sun Acquisition mode.
26116--X--48------ Non nominal azimuth-rotation rate = 7.2 deg/sec
27117X----4718:23:0016:33:00-- Special calibrations performed
28118X----45------ 
29119--X--42------ Azimuth rotation rate correct = 6.0 deg/sec
30120X----39------ 
 
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