NOAA Office of Satellite and Product Operations

GOES 15 ACS Subsystem Summary

Component Description Status
ACE1 Attitude Control Electronics 1 GREEN
ACE2 Attitude Control Electronics 2 GREEN
HIRUA Hemispherical Inertial Reference Unit A GREEN
HIRUB Hemispherical Inertial Reference Unit B GREEN
RWA1 Reaction Wheel Assembly 1 GREEN
RWA2 Reaction Wheel Assembly 2 GREEN
RWA3 Reaction Wheel Assembly 3 GREEN
RWA4 Reaction Wheel Assembly 4 GREEN
STAR_TRACKER1 Star Tracker 1 RED
STAR_TRACKER2 Star Tracker 2 RED
STAR_TRACKER3 Star Tracker 3 GREEN

Subsystem History:

Date Time Component Config Description
03/04/2010 23:57:00 ACE1   Initial Status
03/04/2010 23:57:00 ACE2   Initial Status
03/04/2010 23:57:00 HIRUA   Initial Status
03/04/2010 23:57:00 HIRUB   Initial Status
03/04/2010 23:57:00 RWA1   Initial Status
03/04/2010 23:57:00 RWA2   Initial Status
03/04/2010 23:57:00 RWA3   Initial Status
03/04/2010 23:57:00 RWA4   Initial Status
03/04/2010 23:57:00 STAR_TRACKER1   Initial Status
03/04/2010 23:57:00 STAR_TRACKER2   Initial Status
03/04/2010 23:57:00 STAR_TRACKER3   Initial Status


GOES 15 ACS ACE1 Configuration Summary

Configuration Item Description Value
ACE1_IN_CONTROL_ST ACE-1 In Control Status IN_CONTROL
ACE1_ONOFF_ST ACE 1 Power Status ON
S1_MDX_CURRENT_MODE Current ACS Mode NORMAL

Configuration Item History:

Date Time Configuration Item Value Description
03/04/2010 23:57:00 ACE1_ONOFF_ST ON Initial Status


GOES 15 ACS ACE2 Configuration Summary

Configuration Item Description Value
ACE2_IN_CONTROL_ST ACE-2 In Control Status NOT_IN_CTRL
ACE2_ONOFF_ST ACE-2 Power Status OFF
S2_MDX_CURRENT_MODE Current ACS Mode N/A

Configuration Item History:

Date Time Configuration Item Value Description
03/04/2010 23:57:00 ACE2_ONOFF_ST OFF Initial Status


GOES 15 ACS HIRUA Configuration Summary

Configuration Item Description Value
HIRU_GYROSETA_ONOFF_ST HIRU A On/Off Status ON

Configuration Item History:

Date Time Configuration Item Value Description
03/04/2010 23:57:00 HIRU_GYROSETA_ONOFF_ST ON Initial Status


GOES 15 ACS HIRUB Configuration Summary

Configuration Item Description Value
HIRU_GYROSETB_ONOFF_ST HIRU B On/Off Status OFF

Configuration Item History:

Date Time Configuration Item Value Description
03/04/2010 23:57:00 HIRU_GYROSETB_ONOFF_ST ON Initial Status


GOES 15 ACS RWA1 Configuration Summary

Configuration Item Description Value
RWA1_ONOFF_STATUS Indicates whether RWA1 is on or off as reported by the RWA ON

Configuration Item History:

Date Time Configuration Item Value Description
03/04/2010 23:57:00 RWA1_ONOFF_STATUS ON Initial Status


GOES 15 ACS RWA2 Configuration Summary

Configuration Item Description Value
RWA2_ONOFF_STATUS Indicates whether RWA2 is on or off as reported by the RWA ON

Configuration Item History:

Date Time Configuration Item Value Description
03/04/2010 23:57:00 RWA2_ONOFF_STATUS ON Initial Status


GOES 15 ACS RWA3 Configuration Summary

Configuration Item Description Value
RWA3_ONOFF_STATUS Indicates whether RWA3 is on or off as reported by the RWA ON

Configuration Item History:

Date Time Configuration Item Value Description
03/04/2010 23:57:00 RWA3_ONOFF_STATUS ON Initial Status


GOES 15 ACS RWA4 Configuration Summary

Configuration Item Description Value
RWA4_ONOFF_STATUS Indicates whether RWA4 is on or off as reported by the RWA ON

Configuration Item History:

Date Time Configuration Item Value Description
03/04/2010 23:57:00 RWA4_ONOFF_STATUS ON Initial Status


GOES 15 ACS STAR_TRACKER1 Configuration Summary

Configuration Item Description Value
STAR_TRACKER1_ONOFF_ST Star Tracker 1 On/Off status OFF

Configuration Item History:

Date Time Configuration Item Value Description
07/17/2014 23:14:00 STAR_TRACKER1_ONOFF_ST OFF ST1 Anomaly
03/04/2010 23:57:00 STAR_TRACKER1_ONOFF_ST OFF Storage Mode Configuration


GOES 15 ACS STAR_TRACKER2 Configuration Summary

Configuration Item Description Value
STAR_TRACKER2_ONOFF_ST Star Tracker 2 On/Off status ON

Configuration Item History:

Date Time Configuration Item Value Description
04/23/2015 20:33:00 STAR_TRACKER2_ONOFF_ST ON ST2 Anomaly removes ST2 from Attitude Control Loop
07/17/2014 21:46:00 STAR_TRACKER2_ONOFF_ST ON Switch ST due to ST1 anomaly
03/04/2010 23:57:00 STAR_TRACKER2_ONOFF_ST OFF Storage Mode Configuration


GOES 15 ACS STAR_TRACKER3 Configuration Summary

Configuration Item Description Value
STAR_TRACKER3_ONOFF_ST Star Tracker 3 On/Off status ON

Configuration Item History:

Date Time Configuration Item Value Description
03/04/2010 23:57:00 STAR_TRACKER3_ONOFF_ST OFF Storage Mode Configuration

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