ROSETTA Housekeeping Telemetry Files
===========================================================================

   This ``aareadme.txt'' file describes the contents of the hkt
   directory of the ROSETTA Ancillary Data Dataset.

   It was last modified on June 26, 2019 by Marc Costa Sitja, ESAC/ESA.


Brief Summary
--------------------------------------------------------

   This directory contains the files generated by the Rosetta Science Ground
   Segment group at ESAC with processed telemetry information. These files
   contain orientation information of the spacecraft bus, solar arrays and
   high gain antenna.


References 
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   1. Rosetta AOCMS Studies Technical Note: AOMCS On-ground Processing
      Definition (RO-MNT-TN-2180), 05/08/2003

   2. Coordinate Frames for Rosetta (RO-DSS-TN-1081), 17/09/2003

   2. Rosetta PLID Annex A (RO-ESC-IF-5507)      


Current Housekeeping Telemetry Files
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  Name                              Comments
 --------------------------------  -------------------------------------

  ROS_SC_YYMMDD_HGA.TAB            Contains orientation of the High Gain
                                   Antenna Frame for the year specified in the
                                   file name. YYMMDD is the date of the data.

  ROS_SC_YYMMDD_SADE_M.TAB         Contains orientation of the Solar Arrays
                                   frames for the year specified in the file
                                   name.

  ROS_SC_YYYY_QUAT.TAB             Contains Rosetta measured attitude
                                   information covering the year indicated by
                                   YYYY.


Other directory contents
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   aareadme.txt         This file.


Particulars
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     Please note that this directory does not include the LBOOM orientation
     information and the VIRTIS Mirror orientation information. The CK
     file for VIRTIS was not generated by RSGS or ESS.


Contact Information
--------------------------------------------------------

     If you have any questions regarding this directory or its
     contents, please contact SPICE support at ESAC:

             Marc Costa Sitja
             (+34) 91-8131-457
             marc.costa@esa.int, esa_spice@sciops.esa.int


End of aareadme file.