PDS_VERSION_ID      = PDS3                                                    
RECORD_TYPE         = FIXED_LENGTH                                            
RECORD_BYTES        = 80                                                      
OBJECT              = TEXT                                                    
  PUBLICATION_DATE    = 1999-08-15                                            
  NOTE                = "Description of contents of DOCUMENT directory "      
END_OBJECT          = TEXT                                                    
END                                                                           
                                                                              
                                                                              
                                                                              
      The DOCUMENT directory contains documentation on the archival data      
set and files within the data set.                                            
                                                                              
     The files are:                                                           
                                                                              
                                                                              
DOCINFO.TXT                                                                   
                                                                              
     A brief description of the files within the DOCUMENT directory (this     
file).                                                                        
                                                                              
SIS_ACC.TXT                                                                   
                                                                              
     A Software Interface Specification (SIS) for the archival volume.  This  
document describes the structure and content of the volume.                   
                                                                              
PERIALT.PDF                                                                   
                                                                              
     A figure showing periapsis altitude vs. orbit number in PDF              
format. PERIALT.LBL is the corresponding PDS label file.                      
                                                                              
PERILAT.PDF                                                                   
                                                                              
     A figure showing periapsis latitude vs. orbit number in PDF              
format. PERILAT.LBL is the corresponding PDS label file.                      
                                                                              
PERILS.PDF                                                                    
                                                                              
     A figure showing periapsis L_S vs. orbit number in PDF                   
format. PERILS.LBL is the corresponding PDS label file.                       
                                                                              
PERILST.PDF                                                                   
                                                                              
     A figure showing periapsis LST vs. orbit number in PDF                   
format. PERILST.LBL is the corresponding PDS label file.                      
                                                                              
JSR.ASC                                                                       
                                                                              
     ASCII version of Tolson et al Journal of Spacecraft and Rockets paper    
from May/June 1999. JSR.LBL is the corresponding PDS label file.              
                                                                              
JSR*.TIF                                                                      
                                                                              
     Figures from JSR paper in TIFF format. JSR.LBL is the corresponding      
PDS label file.                                                               
                                                                              
AASPAPER.ASC, AASPAPER.PDF                                                    
                                                                              
     ASCII version and PDF version of Tolson et al AAS paper                  
from XXX. AASPAPER.LBL is the corresponding PDS label file.